View ADUM1201CR-RL7_3922060.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

dual-channel digital isolators adum1200/adum1201 rev. b in fo rmation furn ished by an alog d e v i c e s is believed to be accurate and reliable. how e ver, n o resp on sibili ty is assume d b y a n alog de vices fo r its use, nor for an y i n fri n geme nt s of p a t e nt s or ot h e r ri ght s o f th ird parties th at may result fro m its use . s p ecificatio n s subj ec t to ch an g e witho u t n o tice. no licen s e is g r an te d by implicati o n or ot herwi s e u n der a n y p a t e nt or p a t e nt ri ghts of analog de v i ces. trademarks an d registered tra d ema r ks are the prop erty o f their respective ow ners. one technolog y way, p.o . box 9106, norwood, ma 02062-9106, u.s.a. t e l: 781. 329. 4 700 www.analog.com fax: 781. 326. 87 03 ? 2004 analog de vices, i n c. al l r i ght s r e ser v ed . features narrow body s o ic 8-lead package low power ope r ation 5 v operation 1.1 ma per channel maximum @ 0 mbps to 2 mbps 3.7 ma per channel maximum @ 10 mbps 8.2 ma per channel maximum @ 25 mbps 3 v operation 0.8 ma per channel maximum @ 0 mbps to 2 mbps 2.2 ma per channel maximum @ 10 mbps 4.8 ma per channel maximum @ 25 mbps bidirectional commu nication 3 v/5 v le vel tr anslation high temperat ure operation: 105c high data rate: dc to 25 mbps ( n rz) precise timing characteristics 3 ns maximum pulse-width di stortion 3 ns maximum channel-to-channel matching high common- mode transient immunity: > 25 kv/s safety and reg u latory approvals ul recognition 2500 v rms for 1 minute per u l 1577 csa componen t acceptance notice # 5 a vde certificate of conformity din e n 60 747- 5-2 ( vde 0884 part 2): 2003 -0 1 din e n 60 950 ( vde 0 805): 200 1-12; din e n 6 0950: 2000 v ior m = 5 60 v p eak applic ati o ns size-critical m u ltichannel isola tion spi? interface/data converter isolation rs-232/rs-42 2 / rs-485 transc eiver isolat i on digital fi eld b u s isolation general description the adu m 120x a r e d u al-cha nn el dig i tal is ol a t o r s bas e d on ana l og d e vi ces i c o u p ler? t e c h n o log y . c o m b inin g hig h s p e e d c m o s a n d m o n o li th i c tra n sf o r m e r t e c h n o log y , th e s e i s o l a t i o n c o m p o n e n t s pr ov i d e out s t a nd i n g p e r f or m a nc e ch ar a c te r i st i c s sup e r i or to a l te r n a t ive s su ch a s opto c o upl e r d e v i c e s . by a v o i ding t h e us e o f leds a nd ph oto d io des, i co u p l e r d e v i c e s r e m o v e th e d e s i gn d i f f i cul t i e s co m m o n l y a s soci a t ed wi th o p t o co u p lers. th e typ i ca l o p t o c o u p ler co n c er n s r e ga r d in g un ce r t a i n curr e n t tra n sf e r ra ti os, n o nlin e a r tra n sf e r fun c ti o n s, a nd t e m p er a t ure a nd lifet i me ef fe c t s a r e e l imina t e d wi t h t h e sim p le i c o u p ler dig i tal in t e r f aces a nd s t ab le p e r f o r ma n c e cha r ac ter i st ics. the n e e d fo r ex ter n a l dr i v ers a nd o t h e r dis c r e te co m p on e n ts is elimin a t e d wi t h t h es e i co u p l e r p r o d u c t s . fu r t h e r m o r e , i c o u p ler de vi ces co n s u m e on e - ten t h to on e - six t h t h e p o we r of opto c o upl e r s a t c o m p ar abl e s i g n a l d a t a r a te s . the adu m 120x is ola t o r s p r o v ide tw o in dep e nden t is ola t ion cha n n e ls i n a var i ety o f cha n n e l co nf igur a t io n s a nd da t a r a tes (s e e t h e or der i n g g u ide). b o t h p a r t s o p era t e w i t h t h e s u p p l y v o l t a g e on ei t h er side ra n g in g f r o m 2.7 v t o 5.5 v , p r o v idin g co m p a t ib i l i t y w i t h lo w e r vol t a g e sy st em s as w e l l as ena b li n g a v o l t a g e t r a n sl a t i o n f u n c t i o n a l i t y acr o ss t h e is ol a t io n b a r r ier . i n addi tio n , t h e adum120x p r o v ide lo w p u ls e-wid t h dis t o r tio n (< 3 n s fo r cr g r ade) a nd t i g h t cha n n e l- to -channel m a tchi n g (< 3 n s f o r cr grad e). u n li k e o t h e r o p t o co u p ler al t e r n a t i v es, t h e adum120x is ol a t o r s ha ve a p a ten t e d r e f r es h f e a t ur e tha t en s u r e s dc co r r e c t n ess in t h e abs e n c e o f in p u t log i c t r a n si t i o n s an d d u r i ng p o we r - up / p owe r - d ow n c o nd i t i o ns . func tio n a l block di agrams encode decode encode decode v dd1 v ia v ib g nd 1 v dd2 v oa v ob gnd 2 1 2 3 4 8 7 6 5 04642-0-001 f i gur e 1 . adum1200 f u nctio n al blo c k di a g r a m encode decode decode encode v dd1 v oa v ib g nd 1 v dd2 v ia v ob gnd 2 1 2 3 4 8 7 6 5 04642-0-002 f i gur e 2 . adum1201 f u nctio n al blo c k di a g r a m
adum1200/adum1201 rev. b | page 2 of 20 table of contents specifications ..................................................................................... 3 electrical characteristics5 v operation ................................ 3 electrical characteristics3 v operation ................................ 5 electrical characteristicsmixed 5 v/3 v or 3 v/5 v operation ....................................................................................... 7 package characteristics ............................................................. 10 regulatory information ............................................................. 10 insulation and safety-related specifications .......................... 10 din en 60747-5-2 (vde 0884 part 2) insulation characteristics ............................................................................ 11 recommended operating conditions .................................... 11 absolute maximum ratings .......................................................... 12 esd caution ................................................................................ 12 pin configurations and function descriptions ......................... 13 typical performance characteristics ........................................... 14 application information ................................................................ 15 pc board layout ........................................................................ 15 propagation delay-related parameters ................................... 15 dc correctness and magnetic field immunity ........................... 15 power consumption .................................................................. 16 outline dimensions ....................................................................... 17 ordering guide .......................................................................... 17 revision history 9/04data sheet changed from rev. a to rev. b changes to table 5.......................................................................... 10 6/04data sheet changed from rev. 0 to rev. a changes to format .............................................................universal changes to general description .................................................... 1 changes to electrical characteristics5 v operation ............... 3 changes to electrical characteristics3 v operation ............... 5 changes to electrical characteristicsmixed 5 v/3 v or 3 v/5 v operation ............................................................................ 7 4/04revision 0: initial version
adum1200/adum1201 rev. b | page 3 of 20 specifications electrical characteristics5 v operation all voltages are relative to their respective ground. 4.5 v v dd1 5.5 v, 4.5 v v dd2 5.5 v. all min/max specifications apply over the entire recommended operating range, unless otherwise noted. all typical specifications are at t a = 25c, v dd1 = v dd2 = 5 v. table 1. parameter symbol min typ max unit test conditions dc specifications input supply current, per channel, quiescent i ddi (q) 0.50 0.60 ma output supply current, per channel, quiescent i ddo (q) 0.19 0.25 ma adum1200, total supply current, two channels 1 dc to 2 mbps v dd1 supply current i dd1 (q) 1.1 1.4 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 0.5 0.8 ma dc to 1 mhz logic signal freq. 10 mbps (br and cr grades only) v dd1 supply current i dd1 (10) 4.3 5.5 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 1.3 2.0 ma 5 mhz logic signal freq. 25 mbps (cr grade only) v dd1 supply current i dd1 (25) 10 13 ma 12.5 mhz logic signal freq. v dd2 supply current i dd2 (25) 2.8 3.4 ma 12.5 mhz logic signal freq. adum1201, total supply current, two channels 1 dc to 2 mbps v dd1 supply current i dd1 (q) 0.8 1.1 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 0.8 1.1 ma dc to 1 mhz logic signal freq. 10 mbps (br and cr grades only) v dd1 supply current i dd1 (10) 2.8 3.5 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 2.8 3.5 ma 5 mhz logic signal freq. 25 mbps (cr grade only) v dd1 supply current i dd1 (25) 6.3 8.0 ma 12.5 mhz logic signal freq. v dd2 supply current i dd2 (25) 6.3 8.0 ma 12.5 mhz logic signal freq. for all models input currents i ia , i ib ?10 +0.01 +10 a 0 v ia , v ib v dd1 or v dd2 logic high input threshold v ih 0.7 v dd1 , v dd2 v logic low input threshold v il 0.3 v dd1, v dd2 v logic high output voltages v oah v dd1 , v dd2 ? 0.1 5.0 v i ox = ?20 a, v ix = v ixh v obh v dd1 , v dd2 ? 0.5 4.8 v i ox = ?4 ma, v ix = v ixh logic low output voltages v oal 0.0 0.1 v i ox = 20 a, v ix = v ixl v obl 0.04 0.1 v i ox = 400 a, v ix = v ixl 0.2 0.4 v i ox = 4 ma, v ix = v ixl switching specifications adum120xar minimum pulse width 2 pw 1000 ns c l = 15 pf, cmos signal levels maximum data rate 3 1 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 50 150 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh ? t phl | 4 pwd 40 ns c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 100 ns c l = 15 pf, cmos signal levels channel-to-channel matching 6 t pskcd/od 50 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 10 ns c l = 15 pf, cmos signal levels
adum1200/adum1201 rev. b | page 4 of 20 parameter symbol min typ max unit test conditions adum120xbr minimum pulse width 2 pw 100 ns c l = 15 pf, cmos signal levels maximum data rate 3 10 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 20 50 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh ? t phl | 4 pwd 3 ns c l = 15 pf, cmos signal levels change versus temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 15 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 6 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing directional channels 6 t pskod 15 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 2.5 ns c l = 15 pf, cmos signal levels adum120xcr minimum pulse width 2 pw 20 40 ns c l = 15 pf, cmos signal levels maximum data rate 3 25 50 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 20 45 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 4 pwd 3 ns c l = 15 pf, cmos signal levels change versus temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 15 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 6 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing directional channels 6 t pskod 15 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 2.5 ns c l = 15 pf, cmos signal levels for all models common-mode transient immunity at logic high output 7 |cm h | 25 35 kv/s v ix = v dd1 , v dd2 , v cm = 1000 v, transient magnitude = 800 v common-mode transient immunity at logic low output 7 |cm l | 25 35 kv/s v ix = 0 v, v cm = 1000 v, transient magnitude = 800 v refresh rate f r 1.2 mbps input dynamic supply current, per channel 8 i ddi (d) 0.19 ma/mbps output dynamic supply current, per channel 8 i ddo (d) 0.05 ma/mbps 1 the supply current values for both channels ar e combined when running at identical data rates. output supply current values ar e specified with no output load present. the supply current associ ated with an individual channel operating at a given data rate may be calculated as described in the power consumption section. see figure 6 through for information on per-channel supply current as a function of data rate for un loaded and lo aded conditions. see through figure 11 for total i fi gure 8 figure 8 figure 9 dd1 and i dd2 supply currents as a function of data rate for adum1200 and adum1201 channel configurations. 2 the minimum pulse width is the shortest pulse width at which the specified pulse-width distortion is guaranteed. 3 the maximum data rate is the fastest data rate at which the specified pulse-width distortion is guaranteed. 4 t phl propagation delay is measured from the 50% level of the falling edge of the v ix signal to the 50% level of the falling edge of the v ox signal. t plh propagation delay is measured from the 50% level of the rising edge of the v ix signal to the 50% level of the rising edge of the v ox signal. 5 t psk is the magnitude of the worst-case difference in t phl and/or t plh that is measured between units at the same operating temperat ure, supply voltages, and output load within the recommended operating conditions. 6 codirectional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channe ls with inputs on the same side of the isolation barrier. opposing di rectional channel-to-channel match ing is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier. 7 cm h is the maximum common-mode voltage slew rate that can be sustained while maintaining v o > 0.8 v dd2 . cm l is the maximum common-mod e voltage slew rate that can be sustained while maintaining v o < 0.8 v. the common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. the transient magnitude is the range over which the common mode is slewed. 8 dynamic supply current is the incremental amo unt of supply current required for a 1 m bps increase in the signal data rate. see through for information on per-channel supply current for unloaded and loaded conditions. see the section for guidance on calculating per-channel supply current for a given data rate. figure 6 power consumption
adum1200/adum1201 rev. b | page 5 of 20 electrical characteristics3 v operation all voltages are relative to their respective ground. 2.7 v v dd1 3.6 v, 2.7 v v dd2 3.6 v. all min/max specifications apply over the entire recommended operating range, unless otherwise noted. all typical specifications are at t a = 25c, v dd1 = v dd2 = 3.0 v. table 2. parameter symbol min typ max unit test conditions dc specifications input supply current, per channel, quiescent i ddi (q) 0.26 0.35 ma output supply current, per channel, quiescent i ddo (q) 0.11 0.20 ma adum1200, total supply current, two channels 1 dc to 2 mbps v dd1 supply current i dd1 (q) 0.6 1.0 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 0.2 0.6 ma dc to 1 mhz logic signal freq. 10 mbps (br and cr grades only) v dd1 supply current i dd1 (10) 2.2 3.4 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 0.7 1.1 ma 5 mhz logic signal freq. 25 mbps (cr grade only) v dd1 supply current i dd1 (25) 5.2 7.7 ma 12.5 mhz logic signal freq. v dd2 supply current i dd2 (25) 1.5 2.0 ma 12.5 mhz logic signal freq. adum1201, total supply current, two channels 1 dc to 2 mbps v dd1 supply current i dd1 (q) 0.4 0.8 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 0.4 0.8 ma dc to 1 mhz logic signal freq. 10 mbps (br and cr grades only) v dd1 supply current i dd1 (10) 1.5 2.2 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 1.5 2.2 ma 5 mhz logic signal freq. 25 mbps (cr grade only) v dd1 supply current i dd1 (25) 3.4 4.8 ma 12.5 mhz logic signal freq. v dd2 supply current i dd2 (25) 3.4 4.8 ma 12.5 mhz logic signal freq. for all models input currents i ia , i ib ?10 0.01 10 a 0 v ia , v ib , v dd1 or v dd2 logic high input threshold v ih 0.7 v dd1, v dd2 v logic low input threshold v il 0.3 v dd1 , v dd2 logic high output voltages v oah v dd1 , v dd2 ? 0.1 3.0 v i ox = ?20 a, v ix = v ixh v obh v dd1 , v dd2 ? 0.5 2.8 v i ox = ?4 ma, v ix = v ixh logic low output voltages v oal 0.0 0.1 v i ox = 20 a, v ix = v ixl v obl 0.04 0.1 v i ox = 400 a, v ix = v ixl 0.2 0.4 v i ox = 4 ma, v ix = v ixl switching specifications adum120xar minimum pulse width 2 pw 1000 ns c l = 15 pf, cmos signal levels maximum data rate 3 1 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 50 150 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh ? t phl | 4 pwd 40 ns c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 100 ns c l = 15 pf, cmos signal levels channel-to-channel matching 6 t pskcd/od 50 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 10 ns c l = 15 pf, cmos signal levels
adum1200/adum1201 rev. b | page 6 of 20 parameter symbol min typ max unit test conditions adum120xbr minimum pulse width 2 pw 100 ns c l = 15 pf, cmos signal levels maximum data rate 3 10 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 20 60 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh ?t phl | 4 pwd 3 ns c l = 15 pf, cmos signal levels change versus temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 22 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 6 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing directional channels 6 t pskod 22 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 3.0 ns c l = 15 pf, cmos signal levels adum120xcr minimum pulse width 2 pw 20 40 ns c l = 15 pf, cmos signal levels maximum data rate 3 25 50 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 20 55 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh ? t phl | 4 pwd 3 ns c l = 15 pf, cmos signal levels change versus temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 16 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 6 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing directional channels 6 t pskod 16 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 3.0 ns c l = 15 pf, cmos signal levels for all models common mode transient immunity at logic high output 7 |cm h | 25 35 kv/s v ix = v dd1 , v dd2 , v cm = 1000 v, transient magnitude = 800 v common mode transient immunity at logic low output 7 |cm l | 25 35 kv/s v ix = 0 v, v cm = 1000 v, transient magnitude = 800 v refresh rate f r 1.1 mbps input dynamic supply current, per channel 8 i ddi (d) 0.10 ma/mbps output dynamic supply current, per channel 8 i ddo (d) 0.03 ma/mbps 1 the supply current values for both channels ar e combined when running at identical data rates. output supply current values ar e specified with no output load present. the supply current associ ated with an individual channel operating at a given data rate may be calculated as described in the power consumption section. see figure 6 through for information on per-channel supply current as a function of data rate for un loaded and lo aded conditions. see figure through figure 11 for total i fi gure 8 figure 8 9 dd1 and i dd2 supply currents as a function of data rate for adum1200 and adum1201 channel configurations. 2 the minimum pulse width is the shortest pulse width at which the specified pulse-width distortion is guaranteed. 3 the maximum data rate is the fastest data rate at which the specified pulse-width distortion is guaranteed. 4 t phl propagation delay is measured from the 50% level of the falling edge of the v ix signal to the 50% level of the falling edge of the v ox signal. t plh propagation delay is measured from the 50% level of the rising edge of the v ix signal to the 50% level of the rising edge of the v ox signal. 5 t psk is the magnitude of the worst-case difference in t phl and/or t plh that is measured between units at the same operating temperat ure, supply voltages, and output load within the recommended operating conditions. 6 codirectional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channe ls with inputs on the same side of the isolation barrier. opposing di rectional channel-to-channel match ing is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier. 7 cm h is the maximum common-mode voltage slew rate that can be sustained while maintaining v o > 0.8 v dd2 . cm l is the maximum common-mod e voltage slew rate that can be sustained while maintaining v o < 0.8 v. the common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. the transient magnitude is the range over which the common mode is slewed. 8 dynamic supply current is the incremental amo unt of supply current required for a 1 m bps increase in the signal data rate. see through for information on per-channel supply current for unloaded and loaded conditions. see the section for guidance on calculating per-channel supply current for a given data rate. figure 6 power consumption
adum1200/adum1201 rev. b | page 7 of 20 electrical characteristicsmixe d 5 v/3 v or 3 v/5 v operation all voltages are relative to their respective ground. 5 v/3 v operation: 4.5 v v dd1 5.5 v, 2.7 v v dd2 3.6 v. 3 v/5 v operation: 2.7 v v dd1 3.6 v, 4.5 v v dd2 5.5 v. all min/max specifications apply over the entire recommended operating range, unless otherwise noted. all typical specifications are at t a = 25c; v dd1 = 3.0 v, v dd2 = 5.0 v; or v dd1 = 5.0 v, v dd2 = 3.0 v. table 3. parameter symbol min typ max unit test conditions dc specifications input supply current, per channel, quiescent i ddi (q) m a 5 v/3 v operation 0.50 0.6 ma 3 v/5 v operation 0.26 0.35 ma output supply current, per channel, quiescent i ddo (q) m a 5 v/3 v operation 0.11 0.20 ma 3 v/5 v operation 0.19 0.25 ma adum1200, total supply current, two channels 1 dc to 2 mbps v dd1 supply current i dd1 (q) 5 v/3 v operation 1.1 1.4 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 0.6 1.0 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 5 v/3 v operation 0.2 0.6 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 0.5 0.8 ma dc to 1 mhz logic signal freq. 10 mbps (br and cr grades only) v dd1 supply current i dd1 (10) 5 v/3 v operation 4.3 5.5 ma 5 mhz logic signal freq. 3 v/5 v operation 2.2 3.4 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 5 v/3 v operation 0.7 1.1 ma 5 mhz logic signal freq. 3 v/5 v operation 1.3 2.0 ma 5 mhz logic signal freq. 25 mbps (cr grade only) v dd1 supply current i dd1 (25) 5 v/3 v operation 10 13 ma 12.5 mhz logic signal freq. 3 v/5 v operation 5.2 7.7 ma 12.5 mhz logic signal freq. v dd2 supply current i dd2 (25) 5 v/3 v operation 1.5 2.0 ma 12.5 mhz logic signal freq. 3 v/5 v operation 2.8 3.4 ma 12.5 mhz logic signal freq. adum1201, total supply current, two channels 1 dc to 2 mbps v dd1 supply current i dd1 (q) 5 v/3 v operation 0.8 1.1 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 0.4 0.8 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 5 v/3 v operation 0.4 0.8 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 0.8 1.1 ma dc to 1 mhz logic signal freq. 10 mbps (br and cr grades only) v dd1 supply current i dd1 (10) 5 v/3 v operation 2.8 3.5 ma 5 mhz logic signal freq. 3 v/5 v operation 1.5 2.2 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 5 v/3 v operation 1.5 2.2 ma 5 mhz logic signal freq. 3 v/5 v operation 2.8 3.5 ma 5 mhz logic signal freq.
adum1200/adum1201 rev. b | page 8 of 20 parameter symbol min typ max unit test conditions 25 mbps (cr grade only) v dd1 supply current i dd1 (25) 5 v/3 v operation 6.3 8.0 ma 12.5 mhz logic signal freq. 3 v/5 v operation 3.4 4.8 ma 12.5 mhz logic signal freq. v dd2 supply current i dd2 (25) 5 v/3 v operation 3.4 4.8 ma 12.5 mhz logic signal freq. 3 v/5 v operation 6.3 8.0 ma 12.5 mhz logic signal freq. for all models input currents i ia , i ib ?10 0.01 10 a 0 v ia , v ib v dd1 or v dd2 logic high input threshold v ih 0.7 v dd1 , v dd2 v logic low input threshold v il 0.3 v dd1 , v dd2 v 5 v/3 v operation 0.8 v 3 v/5 v operation 0.4 v logic high output voltages v oah , v obh v dd1 , v dd2 ? 0.1 v dd1 , v dd2 v i ox = ?20 a, v ix = v ixh v dd1 , v dd2 ? 0.5 v dd1 , v dd2 ? 0.2 v i ox = ?4 ma, v ix = v ixh logic low output voltages v oal , v obl 0.0 0.1 v i ox = 20 a, v ix = v ixl 0.04 0.1 v i ox = 400 a, v ix = v ixl 0.2 0.4 v i ox = 4 ma, v ix = v ixl switching specifications adum120xar minimum pulse width 2 pw 1000 ns c l = 15 pf, cmos signal levels maximum data rate 3 1 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 50 150 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh ? t phl | 4 pwd 40 ns c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 50 ns c l = 15 pf, cmos signal levels channel-to-channel matching 6 t pskcd/od 50 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 10 ns c l = 15 pf, cmos signal levels adum120xbr minimum pulse width 2 pw 100 ns c l = 15 pf, cmos signal levels maximum data rate 3 10 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 15 55 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh ? t phl | 4 pwd 3 ns c l = 15 pf, cmos signal levels change versus temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 22 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 6 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing directional channels 6 t pskod 22 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f c l = 15 pf, cmos signal levels 5 v/3 v operation 3.0 ns 3 v/5 v operation 2.5 ns
adum1200/adum1201 rev. b | page 9 of 20 parameter symbol min typ max unit test conditions adum120xcr minimum pulse width 2 pw 20 40 ns c l = 15 pf, cmos signal levels maximum data rate 3 25 50 mbps c l = 15 pf, cmos signal levels propagation delay 4 t phl , t plh 20 50 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 4 pwd 3 ns c l = 15 pf, cmos signal levels change versus temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 5 t psk 15 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 6 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing directional channels 6 t pskod 15 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f c l = 15 pf, cmos signal levels 5 v/3 v operation 3.0 ns 3 v/5 v operation 2.5 ns for all models common-mode transient immunity at logic high output 7 |cm h | 25 35 kv/s v ix = v dd1 , v dd2 , v cm = 1000 v, transient magnitude = 800 v common-mode transient immunity at logic low output 7 |cm l | 25 35 kv/s v ix = 0 v, v cm = 1000 v, transient magnitude = 800 v refresh rate f r 5 v/3 v operation 1.2 mbps 3 v/5 v operation 1.1 mbps input dynamic supply current, per channel 8 i ddi (d) 5 v/3 v operation 0.19 ma/mbps 3 v/5 v operation 0.10 ma/mbps output dynamic supply current, per channel 8 i ddi (d) 5 v/3 v operation 0.03 ma/mbps 3 v/5 v operation 0.05 ma/mbps 1 the supply current values for both channels ar e combined when running at identical data rates. output supply current values ar e specified with no output load present. the supply current associ ated with an individual channel operating at a given data rate may be calculated as described in the power consumption section. see figure 6 through for information on per-channel supply current as a function of data rate for un loaded and lo aded conditions. see through figure 11 for total i fi gure 8 figure 8 figure 9 dd1 and i dd2 supply currents as a function of data rate for adum1200 and adum1201 channel configurations. 2 the minimum pulse width is the shortest pulse width at which the specified pulse-width distortion is guaranteed. 3 the maximum data rate is the fastest data rate at which the specified pulse-width distortion is guaranteed. 4 t phl propagation delay is measured from the 50% level of the falling edge of the v ix signal to the 50% level of the falling edge of the v ox signal. t plh propagation delay is measured from the 50% level of the rising edge of the v ix signal to the 50% level of the rising edge of the v ox signal. 5 t psk is the magnitude of the worst-case difference in t phl and/or t plh that is measured between units at the same operating temperat ure, supply voltages, and output load within the recommended operating conditions. 6 codirectional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channe ls with inputs on the same side of the isolation barrier. opposing di rectional channel-to-channel match ing is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier. 7 cm h is the maximum common-mode voltage slew rate that can be sustained while maintaining v o > 0.8 v dd2 . cm l is the maximum common-mod e voltage slew rate that can be sustained while maintaining v o < 0.8 v. the common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. the transient magnitude is the range over which the common mode is slewed. 8 dynamic supply current is the incremental amo unt of supply current required for a 1 m bps increase in the signal data rate. see through for information on per-channel supply current for unloaded and loaded conditions. see the section for guidance on calculating per-channel supply current for a given data rate. figure 6 power consumption
adum1200/adum1201 rev. b | page 10 of 20 package characteristics table 4. parameter symbol min typ max unit test conditions resistance (input-output) 1 r i-o 10 12 ? capacitance (input-output) 1 c i-o 1.0 pf f = 1 mhz input capacitance c i 4.0 pf ic junction-to-case thermal resistance, side 1 jci 46 c/w thermocouple located at center of package underside ic junction-to-case thermal resistance, side 2 jco 41 c/w 1 the device is considered a 2-terminal device; pins 1, 2, 3, and 4 are shorted together, and pins 5, 6, 7, and 8 are shorted to gether. regulatory information the adum1200/adum1201 have been approved by the following organizations: table 5. ul csa vde recognized under 1577 component recognition program 1 2500 v rms isolation voltage file e214100 approved under csa component acceptance notice #5a file 205078 certified according to din en 60747-5-2 (vde 0884 part 2): 2003-01 2 basic insulation, 560 v peak complies with din en 60747-5-2 (vde 0884 part 2): 2003-01, din en 60950 (vde 0805): 2001-12; en 60950: 2000, reinforced insulation, 560 v peak file 2471900-4880-0001 1 in accordance with ul1577, each adum120x is proof-tested by applying an insulation test voltage 3000 v rms for 1 second (current leakage detectio n limit = 5 a). 2 in accordance with din en 60747-5- 2, each adum120x is proof-tested by applying an insulation test voltage 1050 v peak for 1 second (partial discharge detection limit = 5 pc). insulation and safety-related specifications table 6. parameter symbol value unit conditions rated dielectric insulation voltage 2500 v rms 1 minute duration minimum external air gap (clearance) l(i01) 4.90 min mm measured from input terminals to output terminals, shortest distance through air minimum external tracking (creepage) l(i02) 4.01 min mm measured from input terminals to output terminals, shortest distance path along body minimum internal gap (internal clearance) 0.017 min mm insulation distance through insulation tracking resistance (comparative tracking index) cti >175 v din iec 112/vde 0303 part 1 isolation group iiia material group (din vde 0110, 1/89, table 1)
adum1200/adum1201 rev. b | page 11 of 20 din en 60747-5-2 ( v de 0 884 p a rt 2) insul a tion char a c teristics table 7. description symbol characteristic unit install a tion cla s sification per din vde 011 0 for rated mains voltage 150 v rms i?iv for rated mains voltage 300 v rms i?iii for rated mains voltage 400 v rms i?ii climatic classifi cation 4 0 / 1 0 5 / 2 1 pollution degre e (din vde 0110 , table 1) 2 maximum working insulation v o ltage v ior m 560 v peak input to output test voltage, m e thod b1 v pr 1050 v peak v ior m 1.875 = v pr , 100% produc tion test, t m = 1 sec, partial dis c harge < 5 pc input to output test voltage, m e thod a v pr after environmental tests subgroup 1 v ior m 1.6 = v pr , t m = 60 sec, partial discharge < 5 pc 896 v peak after input and/ or safety test s u bgroup 2/3 672 v ior m 1.2 = v pr , t m = 60 sec, partial disch a rge < 5 pc highest allowa ble over voltage (transient over voltage, t tr = 10 sec) v tr 4000 v peak safety-limiting values (maximu m value allowed in the event of a failure; also se e the thermal derating curve, figure 3) case temperatu r e t s 150 c side 1 current i s1 160 ma side 2 current i s2 170 ma insulation resi stance at t s , v io = 500 v r s >10 9 ? n o t e tha t t h e * ma rkin g on t h e p a c k a g e den o tes d i n en 607 47-5-2 a p p r o v al f o r a 560 v p e ak w o rkin g v o l t ag e . this is ol a t o r is sui t a b le fo r b a sic is ola t ion o n ly wi t h in t h e s a fet y limi t da t a . m a in t e n a n c e o f t h e s a fety d a t a is e n sur e d b y p rote c t ive c i rc u i t s . case temperature ( c) s a fe ty -limiting curre nt (ma) 0 0 200 180 100 80 60 40 20 50 100 150 200 side #1 side #2 04642-0-003 120 140 160 f i gure 3. th er ma l d e r a ti ng cur v e , d e pendence of s a fet y - lim i t i ng v a lu es o n cas e t e mper at ure , per di n e n 60 7 47- 5-2 rec o mmended oper a t ing c o ndi t io ns table 8. parameter symbol min max unit operating temperature t a ?40 +105 c supply voltages 1 v dd1 , v dd2 2.7 5.5 v i n put signal rise and fall t i mes 1 . 0 m s 1 a ll v o lta g e s a r e r e la t i v e to t h ei r r e s p ec ti v e g r o u nd. s e e th e d c co r r e c t nes s a n d magne t ic fiel d immunit y se ct ion for info rm at ion on i m m u ni ty t o e x t e r n al m agne t ic fiel ds.
adum1200/adum1201 rev. b | page 12 of 20 absolute maximum ra tings a m b i en t t e m p era t ur e = 25 c , unl e s s o t h e r w i s e n o t e d . table 9. parameter symbol min max unit storage temperature t st ?55 150 c ambient operat i ng temperature t a ?40 105 c supply voltages 1 v dd1 , v dd2 ?0.5 7.0 v input voltage ,1 , 2 v ia , v ib ?0.5 v ddi + 0.5 v output voltage 1 , 2 v oa , v ob ?0.5 v ddo + 0.5 v average output current, per pin 3 i o ?35 35 ma common-mode trans i ents 4 ? 1 0 0 + 1 0 0 k v / s 1 a l l volt a g e s a r e re l a t i ve t o t h e i r resp e c t i ve groun d. 2 v ddi a n d v ddo refe r t o t h e supp ly vo lt a g es on t h e i n put a n d o u t p ut si de s of a gi ven ch a n n e l, resp ect i vely. 3 se e for m a ximum rated curre nt values for variou s temperature s. f i g u r e 3 4 re fe rs to co mmo n-mo d e trans i e nts acro ss the ins u l a tio n barrie r. co mmo n-mo d e trans i e nts e x ce e d ing the a b so l u te m a ximum rating m ay caus e l a tch-up o r permanent d amage. s t r e s s es a b o v e t h os e lis t e d u n de r a b s o l u t e m a xi m u m r a t i n g s ma y ca us e p e r m an e n t da ma g e t o t h e de vice . this is a s t r e s s ra t i n g o n ly ; f u nc t i on a l op e r a t i o n of t h e d e v i c e a t t h e s e or a n y ot h e r c o n d i t i ons ab ove t h o s e l i ste d i n t h e op e r a t i o n a l s e c t i o ns of t h i s sp e c if ica t ion is not i m pl i e d. e x p o su re to ab s o lute m a x i m u m r a t i ng c o n d i t i ons for e x te nd e d p e r i o d s m a y af fe c t d e v i c e rel i a b i l it y . esd c a ution esd (electrostatic discharge) sensitive device. ele c tros tatic charg e s as high as 4000 v readily accumulate on the human body and test eq uipment and can discharge wi thout detection. although this product features proprietary esd protection circu i try, permanent dama ge may occur on devices subjected to high energy electrostatic discharges. theref ore, prop er esd precautions a r e recommended to avoid perform a nce degradation or l o ss of functiona l ity. table 10. a d um1200 truth table (positive l o gic) v ia input v ib input v dd1 state v dd2 state v oa ou tpu t v ob output notes h h powered powered h h l l powered powered l l h l powered powered h l l h powered powered l h x x unpowered powered h h outputs return t o the input state within 1 s of v ddi power re storation. x x powered unpowered indeterminate indeterminate outputs return t o the input state within 1 s of v ddo power re storation. table 11. a d um1201 truth table (positive l o gic) v ia input v ib input v dd1 state v dd2 state v oa ou tpu t v ob output notes h h powered powered h h l l powered powered l l h l powered powered h l l h powered powered l h x x unpowered powered indeterminate h outputs return t o the input state within 1 s of v dd1 power re storation. x x powered unpowered h indeterminate outputs return t o the input state within 1 s of v ddo power re storation.
adum1200/adum1201 rev. b | page 13 of 20 pin conf igura t ions and f u ncti on descriptions 1 8 2 7 3 6 4 5 adum1200 top view (n o t to sc a l e ) 04642-0-004 v dd1 v ia v ib gnd 1 v dd2 v oa v ob gnd 2 f i gur e 4 . adum1200 p i n co nfi g ur a t ion 1 8 2 7 3 6 4 5 adum1201 top view (n o t to sc a l e ) 04642-0-005 v dd1 v oa v ib gnd 1 v dd2 v ia v ob gnd 2 f i gur e 5 . adum1201 p i n co nfi g ur a t ion table 12. a d um1200 pin function descriptions pin no. mnemonic function 1 v dd1 supply voltage for isolator side 1, 2.7 v to 5.5 v. 2 v ia logic input a. 3 v ib logic input b. 4 gnd 1 ground 1. ground reference for isolator side 1. 5 gnd 2 ground 2. ground reference for isolator side 2. 6 v ob logic output b. 7 v oa logic output a. 8 v dd2 supply voltage for isolator side 2, 2.7 v to 5.5 v. table 13. a d um1201 pin function descriptions pin no. mnemonic function 1 v dd1 supply voltage for isolator side 1, 2.7 v to 5.5 v. 2 v oa logic output a. 3 v ib logic input b. 4 gnd 1 ground 1. ground reference for isolator side 1. 5 gnd 2 ground 2. ground reference for isolator side 2. 6 v ob logic output b. 7 v ia logic input a. 8 v dd2 supply voltage for isolator side 2, 2.7 v to 5.5 v.
adum1200/adum1201 rev. b | page 14 of 20 typical perf orm ance cha r acte ristics 04642-0-006 data rate (mbps) curre nt/channe l (ma) 0 0 6 2 8 10 10 20 30 5v 3v 4 f i gure 6. t y pic a l in put sup p ly cu rrent per ch ann e l v s . d a ta ra te f o r 5 v and 3 v o p e r at i o n 04642-0-007 data rate (mbps) curre nt/channe l (ma) 0 0 3 2 1 4 10 20 30 5v 3v f i g u re 7. t y pic a l o u t p ut sup p ly cu rre nt per c h ann e l v s . d a t a r a te f o r 5 v and 3 v o p e r at i o n (n o o u t p ut l oad) 04642-0-008 data rate (mbps) curre nt/channe l (ma) 0 0 3 2 1 4 10 20 30 5v 3v f i g u re 8. t y pic a l o u t p ut sup p ly cu rre nt per c h ann e l v s . d a t a r a te f o r 5 v and 3 v o p e r at i o n ( 1 5 pf o u t p ut l oad) 04642-0-009 data rate (mbps) curre nt (ma) 0 0 15 10 5 20 10 20 30 5v 3v f i g u re 9. t y pic a l a d um 12 0 0 v dd1 sup p ly cur r ent v s . d a t a rate f o r 5 v and 3 v o p e r at i o n 04642-0-010 data rate (mbps) curre nt (ma) 0 0 3 2 1 4 10 20 30 5v 3v f i g u re 10. t y pic a l a d um 12 0 0 v dd2 sup p ly cur r ent v s . d a t a rate f o r 5 v and 3 v o p e r at i o n 04642-0-011 data rate (mbps) curre nt (ma) 0 0 6 2 8 10 10 20 30 5v 3v 4 f i g u re 11. t y pic a l a d um 12 0 1 v dd1 or v dd2 sup p l y c u rrent vs . da ta r a te f o r 5 v and 3 v o p e r at i o n
adum1200/adum1201 rev. b | page 15 of 20 appli c a t ion inf o rma t ion pc bo ard l a y o u t the adu m 120x dig i tal is ol a t o r s r e q u ir e n o exter n al in t e r f ace c i rc u i t r y for t h e l o g i c in te r f ac e s . p o we r su p p ly b y p a ss ing is st rong ly re c o mme n d e d a t t h e i n p u t and out p ut su p p ly p i ns . t h e ca p a c i t o r val u e s h o u ld b e betw e e n 0.01 f an d 0.1 f . th e t o ta l lea d le n g th betw ee n bo th en d s o f th e ca pa ci t o r a n d t h e in p u t p o we r su p p ly p i n s h ou l d not e x c e e d 2 0 m m . p r o p a g a t io n d e la y - r e la t e d p a r a m e t e r s p r o p a g a t i o n de la y i s a pa ra m e t e r th a t d e scri be s th e tim e i t ta k e s a l o gi c s i gn al t o p r o p a g a t e th r o ugh a c o m p o n en t. t h e prop ag a t i o n d e l a y to a l o g i c l o w output m a y d i f f e r f r om t h e p r o p a g a t io n del a y to a lo g i c hig h . input ( v ix ) output ( v ox ) t plh t phl 50% 50% 04642-0-012 f i g u re 12. p r opag a t ion d e l a y p a r a met e rs pu ls e-wi d t h dist o r t i o n is t h e maxim u m dif f er en ce b e tw e e n t h es e tw o p r o p aga t io n d e l a y va lues a nd is a n i ndic a t i o n o f h o w a c c u r a tel y t h e i n put s i g n a l s t i m i ng i s pre s e r v e d. c h an nel - to - c h a nnel m a tch i ng re fe rs to t h e ma x i m u m a m ou n t t h a t t h e p r o p a g a t io n dela y d i f f ers b e twe e n ch a n n e ls w i t h i n a sin g le adum12 0x co m p on en t. prop ag a t i o n d e l a y s k e w re fe rs to t h e m a x i m u m amou n t t h a t t h e p r o p a g a t io n del a y dif f ers betw e e n m u l t i p le ad um120x co m p on e n ts op er a t in g u n d e r t h e s a me con d i t i o n s . dc c o rrec t ness and m a gne t ic fie l d immunit y p o si ti v e a n d n e ga ti v e logi c tra n si ti o n s a t t h e i s ola t o r in p u t ca use na r r o w (~1 n s ) p u ls es t o be s e n t t o th e deco der via t h e t r a n sfo r m e r . the de co der is b i s t a b le an d is t h erefo r e ei t h er s e t o r r e se t b y th e p u lse s , i n d i ca t i n g i n p u t logi c tra n si ti o n s. i n t h e ab s e nc e of l o g i c t r ans i t i ons of more t h a n 2 s a t t h e i n put , a p e r i o d ic s e t o f r e f r esh p u ls es indic a t i v e o f t h e c o r r e c t in p u t st a t e a r e s e n t t o en s u r e dc co r r e c t n ess a t t h e o u t p ut. i f t h e de co der r e cei v es n o in te r n al p u ls es fo r m o r e t h an ab o u t 5 s, t h e i n p u t side is assu me d to b e u n p o w e r e d o r n o nf u n c t iona l, in w h ich cas e t h e is ola t o r o u t p u t is fo r c e d t o a def a u l t s t a t e (s e e t a b l e 8) b y th e wa t c h d og ti m e r ci r c ui t . the adu m 120x a r e extr em e l y imm u n e t o ext e r n al ma g n et ic f i e l ds. the limi t a tio n on t h e ad um120x s ma g n etic f i e l d imm u n i ty is s e t b y t h e con d i t ion in w h ich i n d u ce d v o l t a g e i n t h e t r a n sfo r m e r s r e cei v in g co i l i s s u f f i cien t l y la rg e t o ei t h er fa ls ely s e t o r r e s e t t h e de co der . the fol l o w in g ana l y s is def i n e s t h e condi t i on s un der w h ich t h is ma y o c c u r . the 3 v o p era t in g co ndi tion o f th e adum120x is exa m in ed be c a us e i t r e p r es en ts t h e m o s t s u s c ept i b l e m o de o f o p era t ion. the p u ls es a t t h e t r a n sfo r m e r o u t p ut ha ve a n am pli t ude g r e a t e r tha n 1.0 v . the deco der has a s e n s in g thr e sh old a t abou t 0.5 v , t h er efo r e es t a b l i s hin g a 0.5 v ma rg in in w h ich i n d u ce d v o l t a g es ca n b e toler a te d. th e volt a g e i n d u ce d acr o ss t h e r e ceivin g co i l is gi v e n b y = ? = n n r dt d v n ,... 2 , 1 ; ) / ( 2 w h er e: is t h e ma g n et i c f l ux den s i t y (ga u s s ). n is t h e n u m b er o f t u r n s in t h e r e cei v in g co il . r n i s th e ra di us o f th e n t h t u rn in th e r e ce i v i n g co il (cm ) . g i v e n t h e g e ometr y o f th e r e cei v in g co il in the adum120x a nd a n i m p o s e d r e quir em e n t t h a t t h e i n d u ce d v o l t a g e b e a t m o s t 50% o f th e 0.5 v ma rg in a t t h e deco der , a maxim u m al lo wa b l e ma g n etic f i e l d is calc u l a t ed , as sh o w n in f i gur e 13. magnetic field frequency (hz) 100 max i mum allo wable mag n e t ic flux de ns ity (k ga us s ) 0.001 1m 10 0. 01 1k 10k 10m 0.1 1 100m 100k 04642-0-013 f i g u re 13. m a x i mu m a l lo wab l e e x t e rn al m a g n et ic flux d e ns it y f o r exa m ple , a t a ma g n et ic f i e l d f r e q uen c y o f 1 mh z, t h e maxim u m al lo wa b l e ma g n etic f i e l d o f 0.2 kga u s s in d u ces a v o l t a g e o f 0.25 v a t t h e r e cei v in g co il . this is abo u t 50 % o f the s e n s in g t h r e sh o l d a nd do e s n o t ca us e a fa u l ty o u t p ut t r a n si t i on. s i mil a rl y , if s u c h a n ev en t w e r e t o o c c u r d u r i n g a tra n smi t t e d p u ls e (a nd had t h e w o rst-c a s e p o la r i ty ), i t w o u l d r e d u ce t h e r e cei v ed p u ls e f r o m > 1.0 v t o 0.75 v s t il l w e l l a b o v e the 0.5 v s e n s in g t h r e sh o l d o f t h e de co de r . the p r e c e d in g ma g n et ic f l ux den s i t y val u es cor r es p o n d t o s p e c if ic c u r r en t ma g n i t udes a t g i v e n dis t an ces a w a y f r o m t h e adum120x tra n sf o r m e rs. f i gur e 14 exp r es s e s th es e al lo wa b l e c u r r en t ma g n i t udes as a f u n c t i o n o f f r e q uen c y fo r s e le c t e d dis t an ces. a s s e en, t h e ad um1 20x a r e ext r em el y imm u n e and ca n b e a f fe c t e d o n l y b y ext r em el y la rg e c u r r en ts o p era t e d a t hig h f r e q ue n c y a nd v e r y clos e t o t h e com p on e n t. f o r t h e 1 m h z exa m ple , o n e wo u l d ha v e t o place a 0.5 ka c u r r en t 5 mm a w a y f r o m th e adu m 120x t o a f f e c t th e com p on en t s o p era t ion.
adum1200/adum1201 rev. b | page 16 of 20 magnetic field frequency (hz) max i mum allowable curre nt (k a) 1000 100 10 1 0.1 0.01 1k 10k 100m 100k 1m 10m distance = 5mm distance = 1m distance = 100mm 04642-0-014 f i gure 14. maxi mu m a l lo w a b l e cu rre nt for v a r i ous current-to - a d um 1 20x sp ac ings n o t e t h at at c o m b i n at i o n s o f s t r o n g m a g n e t i c f i e l d s a n d h i g h f r e q uen c ies, an y lo o p s fo r m e d b y p r in t e d cir c ui t bo a r d traces co uld in d u ce s u f f i ci e n tl y la r g e e r r o r v o l t a g e s t o tri g g e r th e t h re sho l d of su c c e e d i n g c i rc u i t r y . c a re shou l d b e t a ke n i n t h e la yo u t o f s u c h t r aces t o a v o i d t h is p o s s ib ili t y . power c o n s umpti o n the s u p p l y c u r r en t a t a g i v e n c h a nne l o f the ad um120x i s o l a t or i s a f u n c t i on of t h e supply vo lt age, t h e ch an nel s d a t a r a te, and t h e ch a nnel s ou tp u t l o ad . f o r e a ch in p u t c h an nel, t h e supply c u r r e n t is g i ve n b y i ddi = i ddi ( q ) f 0.5 f r i ddi = i ddi ( d ) (2 f C f r ) + i ddi ( q ) f > 0 . 5 f r for e a ch ou t p ut chan nel, t h e supply c u r r en t is g i ven b y i dd o = i dd o ( q ) f 0.5 f r i dd o = ( i dd o ( d ) + (0.5 10 ?3 ) c l v dd o ) (2 f C f r ) + i dd o ( q ) f > 0.5 f r w h er e: i ddi ( d ) , i dd o ( d ) a r e t h e in pu t and o u t p ut d y namic su p p ly c u r r en ts pe r c h a n n e l (ma / mb p s ) . c l i s th e o u t p u t loa d ca pa ci ta n c e (pf). v dd o is t h e ou tpu t su p p ly vol t ag e ( v ) . f is th e in p u t log i c sig n al f r e q uen c y (mh z , half o f th e in p u t da t a ra t e , nrz sign alin g). f r is t h e in p u t s t a g e r e f r es h ra te (mb p s). i ddi ( q ) , i dd o ( q ) a r e t h e sp e c if ie d i n p u t and o u t p ut q u ies c e n t su p p ly c u r r e n ts ( m a ) . t o calc u l a t e t h e t o t a l i dd 1 and i dd2 su p p ly c u r r e n t, t h e s u p p ly c u r r en ts fo r e a ch in p u t and o u tp u t cha n nel co r r esp o ndin g to i dd 1 a nd i dd 2 a r e ca lc u l a t e d and to t a le d . f i gur e 6 a nd f i gur e 7 prov i d e p e r - ch a n n e l supply c u r r e n t s a s a f u nc t i on of d a t a r a te f o r a n unlo aded o u t p u t con d i t ion. f i gur e 8 p r o v ides p e r - cha n n e l su p p ly c u r r en t as a f u nc t i o n o f d a t a ra te fo r a 15 pf o u t p u t con d i t ion. f i gur e 9 thr o ug h f i gur e 11 p r o v ide t o tal i dd 1 a nd i dd 2 s u p p l y c u r r en t as a f u nc tio n o f da t a ra te f o r adum1200 and adum1201 cha n n e l co nf igur a t io n s .
adum1200/adum1201 rev. b | page 17 of 20 outline dimensions 0.25 (0.0098) 0.17 (0.0067) 1.27 (0.0500) 0.40 (0.0157) 0.50 (0.0196) 0.25 (0.0099) 45 8 0 1.75 (0.0688) 1.35 (0.0532) seating plane 0.25 (0.0098) 0.10 (0.0040) 4 1 85 5 . 00 ( 0 . 196 8) 4 . 80 ( 0 . 189 0) 4.00 (0.1574) 3.80 (0.1497) 1.27 (0.0500) bsc 6.20 (0.2440) 5.80 (0.2284) 0.51 (0.0201) 0.31 (0.0122) coplanarity 0.10 controlling dimensions are in millimeters; inch dimensions (in parentheses) are rounded-off millimeter equivalents for reference only and are not appropriate for use in design compliant to jedec standards ms-012aa f i g u re 15. 8-l e ad s t anda r d s m a l l o u t l ine p a ckag e [soic ] narro w b o dy (r -8) d i mensions sh o w n in mi ll im e t e r s ( i nche s) ordering guide model number of inpu ts, v dd1 side number of inpu ts, v dd2 side maximum data rat e (mbps) maximum propagation delay, 5 v (ns) maximum pulse- width d istortion (ns) temperature range (c) package option 1 adum1200a r 2 0 1 100 40 ?40 to +105 r-8 adum1200a r-rl7 2 0 1 100 40 ?40 to +105 r-8 adum1200a rz 2 2 0 1 100 40 ?40 to +105 r-8 adum1200a rz- r l7 2 2 0 1 100 40 ?40 to +105 r-8 adum1200br 2 0 10 50 3 ?40 to +105 r-8 adum1200br- rl7 2 0 10 50 3 ?40 to +105 r-8 adum1200brz 2 2 0 10 50 3 ?40 to +105 r-8 adum1200brz- r l7 2 2 0 10 50 3 ?40 to +105 r-8 adum1200c r 2 0 25 45 3 ?40 to +105 r-8 adum1200c r-rl7 2 0 25 45 3 ?40 to +105 r-8 adum1200c rz 2 2 0 25 45 3 ?40 to +105 r-8 adum1200c rz- r l7 2 2 0 25 45 3 ?40 to +105 r-8 adum1201a r 1 1 1 100 40 ?40 to +105 r-8 adum1201a r-rl7 1 1 1 100 40 ?40 to +105 r-8 adum1201a rz 2 1 1 1 100 40 ?40 to +105 r-8 adum1201a rz- r l7 2 1 1 1 100 40 ?40 to +105 r-8 adum1201br 1 1 10 50 3 ?40 to +105 r-8 adum1201br- rl7 1 1 10 50 3 ?40 to +105 r-8 adum1201brz 2 1 1 10 50 3 ?40 to +105 r-8 adum1201brz- r l7 2 1 1 10 50 3 ?40 to +105 r-8 adum1201c r 1 1 25 45 3 ?40 to +105 r-8 adum1201c r-rl7 1 1 25 45 3 ?40 to +105 r-8 adum1201c rz 2 1 1 25 45 3 ?40 to +105 r-8 adum1201c rz- r l7 2 1 1 25 45 3 ?40 to +105 r-8 1 r - 8 = 8- l e a d n a rro w body soi c . 2 z = pb-free part.
adum1200/adum1201 rev. b | page 18 of 20 notes
adum1200/adum1201 rev. b | page 19 of 20 notes
adum1200/adum1201 rev. b | page 20 of 20 notes ? 2004 analo g de vices, inc. all rights reserve d . tra d em arks and registered tra d ema r ks are the prop erty of their respective owners . d04642C0C 9/04(b)

▲Up To Search▲

Price & Availability of ADUM1201CR-RL7

	To Download ADUM1201CR-RL7 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .