View MAX13181EELBT_8847997.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

general description the max13181e?ax13184e are full-duplex and selec-table half-/full-duplex rs-485 transceivers in a tiny 2mm x 2mm ?fn package. these devices are designed for space-constrained applications by including extended esd protection to ?5kv per human body model (hbm) and integrating pullup/pulldown resistors on the de, re and h/ f inputs to reduce external components. the max13182e/max13184e feature a low-current shutdownmode for power-sensitive applications. these devices have a 1/8 unit-load input receiver that allows up to 256 transceivers on the bus. the max13181e/max13182e feature reduced slew-rate drivers to minimize emi and reflections that are caused by improperly terminated cables. the slew-rate limited max13181e/max13182e allow error-free data transmis- sion up to 250kbps. the max13183e/max13184e feature full-speed drivers, allowing data rates of up to 16mbps. the max13182e/max13184e are configured for full- duplex operation, while the max13181e/max13183e feature pin-selectable half- or full-duplex operation. all driver outputs and receiver inputs include extended esd protection. the max13181e?ax13184e are available in a tiny 10- pin, 2mm x 2mm ?fn. the max13183e/max13184e are also available in industry-standard 14-pin so packages. the devices operate over the extended -40? to +85? temperature range. applications features ? available in tiny, 10-pin, 2mm x 2mm, dfn and 14-pin so packages ? +5.0v operation ? extended esd protection 15kv human body model 12kv iec 61000-4-2 air-gap disharge 6kv iec 61000-4-2 contact disharge ? slew-rate limiting facilitates error-free data transmission (max13181e/max13182e) ? 2.5 a (typ) low-current shutdown mode ? 1/8-unit load allows up to 256 transceivers on the bus max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn ___________________________________________________ _____________ maxim integrated products 1 19-0879; rev 0; 7/07 for pricing delivery, and ordering information please contact maxim direct at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. ordering information + denotes a lead-free package. part temp range pin-package top mark pkg code max13181e elb+ -40? to +85? 10 ?fn abc l1022-1 max13182e elb+ -40? to +85? 10 ?fn abd l1022-1 max13182eesd+ -40? to +85? 14 so s14-1 industrial controlmotor drive control telecom security systeminstrumentation selector guide part half/full duplex maximum data rate slew-rate limited low-power shutdown receiver enable max13181e selectable 250 kbps yes no no max13182e full 250 kbps yes yes yes max13183e selectable 16 mbps no no no max13184e full 16 mbps no yes yes ordering information continued at end of data sheet. pin configurations max13182e max13184e 10 1 9 2 8 3 7 4 6 5 v cc ro re de di a top view bz dfn + + y gnd max13181e max13183e 10 1 9 2 8 3 7 4 6 5 v cc ro h/f de di abz dfn y gnd pin configurations continued at end of data sheet. downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn 2 __________________________________________________ _____________________________________ absolute maximum ratings dc electrical characteristics (v cc = +5v ?0%, t a =t min to t max , unless otherwise noted. typical values are at v cc = +5v and t a = +25?.) (note 1) stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. (all voltages referenced to gnd.)supply voltage (v cc ) ...............................................-0.3v to +6v control voltage ( re , de, di, h/ f ).............................-0.3v to +6v driver output voltage (a, b, y, z) ..........................-8v to +12.5v receiver input voltage (a, b).................................-8v to +12.5v receiver input voltage full-duplex (a, b)..............-8v to +12.5v receiver output voltage (ro)................... -0.3v to (v cc + 0.3v) short-circuit duration (a, b, y, z) to gnd .................continuous continuous power dissipation (t a = +70?) 10-pin ?fn (derate 5mw/? above +70? ) .............403mw 14-pin so (derate 8.3mw/? above +70? )...............667mw operating temperature range ...........................-40? to +85? storage temperature range .............................-65? to +150? junction temperature ......................................................+150? lead temperature (soldering, 10s) .................................+300? parameter symbol conditions min typ max units driver r l = 100 (rs422), figure 1 2 v cc v r l = 54 (rs485), figure 1 1.5 v cc differential driver output v od no load v cc v change in magnitude of differentialoutput voltage ? v od r l = 100 or 54 , figure 1, (note 2) 0.2 v driver common-mode output voltage v oc r l = 100 or 54 , figure 1 v cc / 2 3 v change in magnitudeof common-mode voltage ? v oc r l = 100 or 54 , figure 1, (note 2) 0.2 v input-high voltage v ih de, di, re , h/ f 2v input-low voltage v il de, di, re , h/ f 0.8 v input hysteresis v hys de, di, re , h/ f 100 mv internal pullup resistance r in_up internal pullup re 125 400 k internal pulldown resistance r in_dwn internal pulldown de, h/ f 125 400 k v in = +12v 125 output leakage (y and z)full-duplex i o de = gnd, v cc = gnd or 5.5v v in = -7v -100 ? 0 v out 12v 40 250 driver short-circuit output currentthreshold (note 3) i osd -7 v out v cc -250 -40 ma (v cc - 1v) v out 12v 20 driver short-circuit foldback outputcurrent (note 3) i osdf -7v v out 1v -20 ma thermal-shutdown threshold t ts 0 v out 12v 140 ? thermal-shutdown hysteresis t tsh 15 ? v in = +12v 125 input current (a and b) i a, b d e = gn d , v c c = gn d or 5.5v v in = -7v -100 ? downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn ___________________________________________________ ____________________________________ 3 dc electrical characteristics (continued) (v cc = +5v ?0%, t a =t min to t max , unless otherwise noted. typical values are at v cc = +5v and t a = +25?.) (note 1) parameter symbol conditions min typ max units receiver receiver differential thresholdvoltage v th -7v v cm +12v, figure 2 -200 0 +200 mv receiver input hysteresis v th v a + v b = 0, figure 2 25 mv ro output-high voltage v oh i o = -1ma, figure 2 v cc - 0.6 v ro output-low voltage v ol i o = 1ma, figure 2 0.4 v tri-state output current at receiver i ozr 0 v o v cc , figure 2 -1 +1 a receiver-input resistance r in -7v v cm +12v, figure 2 96 k receiver-output short-circuit current i osr 0 v ro v cc , figure 2 -80 +80 ma supply current no load, re = 0, de = v cc 23 no load, re = v cc , de = v cc 23 supply current i cc no load, re = 0v, de = 0 or leave unconnected 23 ma shutdown current(max13182e/max13184e only) i shdn re = v cc or leave unconnected, de = gnd or leave unconnected 2.5 10 ? esd protection human body model ?5 iec 61000-4-2 contact discharge ? esd protection for y, z, a and b iec 61000-4-2 air-gap discharge ?2 kv driver switching characteristicsmax13181e/max13182e (slew-rate limited to 250kbps) (v cc = +5v ?0%, t a =t min to t max , unless otherwise noted. typical values are at v cc = +5v and t a = +25?.) (note 1) parameter symbol conditions min typ max units t dplh c l = 50pf, r l = 54 , figure 3 200 1000 driver propagation delay t dphl c l = 50pf, r l = 54 , figure 3 200 1000 ns driver differential output rise orfall time t dr , t df c l = 50pf, r l = 54 , figure 3 400 1200 ns differential driver output skew(t dplh - t dphl ) t dskew c l = 50pf, r l = 54 , figure 3 140 ns maximum data rate 250 kbps driver enable to output high t dzh figure 4a 2500 ns driver enable to output low t dzl figure 4b 2500 ns driver disable time from low t dlz figure 4b 100 ns driver disable time from high t dhz figure 4a 100 ns d r i ver e nab l e fr om s hutd ow n to outp ut h i g ht dzh ( shdn ) (max13182e) figure 4a 5500 ns d r i ver e nab l e fr om s hutd ow n to outp ut low t dzl ( shdn ) (max13182e) figure 4b 5500 ns time to shutdown t shdn (max13182e) 50 200 600 ns downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn 4 __________________________________________________ _____________________________________ driver switching characteristicsmax13183e/max13184e (maximum data rate of 16mbps) (v cc = +5v ?0%, t a =t min to t max , unless otherwise noted. typical values are at v cc = +5v and t a = +25?.) (note 1) parameter symbol conditions min typ max units t dplh c l = 50pf, r l = 54 , figure 3 25 driver propagation delay t dphl c l = 50pf, r l = 54 , figure 3 25 ns d r i ver d i ffer enti al outp ut ri se or fal l ti m et dr , t df c l = 50pf, r l = 54 , figure 3 15 ns differential driver output skew(t dplh - t dphl ) t dskew c l = 50pf, r l = 54 , figure 3 8 ns maximum data rate 16 mbps driver enable to output-high t dzh figures 1 and 4a 50 ns driver enable to output-low t dzl figures 1 and 4b 50 ns driver disable time from low t dlz figures 1 and 4b 50 ns driver disable time from high t dhz figures 1 and 4a 50 ns driver enable from shutdown to outputhigh t dzh ( shdn ) figures 1 and 4a (max13184e) 2200 ns driver enable from shutdown to outputlow t dzl ( shdn ) figures 1 and 4b (max13184e) 2200 ns time to shutdown t shdn (max13184e) 50 200 600 ns receiver switching characteristics (v cc = +5v ?0%, t a =t min to t max , unless otherwise noted. typical values are at v cc = +5v and t a = +25?.) (note 1) parameter symbol conditions min typ max units t rplh 40 75 receiver propagation delay t rphl c l = 15pf, figure 5 40 75 ns receiver output skew (t rplh - t rphl )t rskew c l = 15pf, figure 5 8 ns maximum data rate 16 mbps receiver enable to output low t rzl (max13182e/max13184e)figures 2 and 6 50 ns receiver enable to output high t rzh (max13182e/max13184e)figures 2 and 6 50 ns receiver disable time from low t rlz (max13182e/max13184e)figures 2 and 6 50 ns receiver disable time from high t rhz (max13182e/max13184e)figures 2 and 6 50 ns receiver enable from shutdown tooutput high t rzh ( shdn ) (max13182e/max13184e)figures 2 and 6 2200 ns receiver enable from shutdown tooutput low t rzl ( shdn ) (max13182e/max13184e)figures 2 and 6 2200 ns note 1: all currents into the device are positive. all currents out of the device are negative. all voltages are referred to device ground, unless otherwise noted. ?fn devices are production tested at +25?. overtemperature limits are guaranteed by design. note 2: v od and v oc are the changes in v od and v oc , respectively, when the di input changes state. note 3: the short-circuit output current applies to peak current just prior to foldback current limiting. the short-circuit foldback output current applies during current limiting to allow a recovery from bus contention. downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn ___________________________________________________ ____________________________________ 5 v od c l r l 2 r l 2 v oc yz figure 1. driver differential output a (y) c l b (z) ro gnd v oh v ol figure 2. receiver differential input di 3v 0z y v o 0 -v o v o 1.5v t dplh t dphl 1/2 v o 10% t dr 90% 90% 1/2 v o 10% t df v diff = v (y) - v (z) v diff t dskew = | t dplh - t dphl figure 3. driver propagation delay de t dzh , t dzh(shdn) v cc / 2 v cc 0v oh 0 v om = (0 + v oh ) / 2 t dhz out 0.5v generator 50 c l 50pf r l = 500 out s1 0 or 3v d figure 4a. driver enable and disable times (t dhz , t dzh , t dzh(shdn) ) downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn 6 __________________________________________________ _____________________________________ de v ol t dzl , t dzl(shdn) v cc / 2 v cc v oh 0 v om = (v ol + v cc ) / 2 t dlz out v cc 0.5v generator 50 de c l 50pf r l = 500 out s1 0 or 3v v cc d figure 4b. driver enable and disable times (t dlz , t dzl , t dzl(shdn) ) a (y) b (z) ro v oh 1.5v t rplh t rphl v ol +1v-1v t rskew = | t rplh - t rphl | the rise time and fall time of inputs a, b, y and z < 4ns figure 5. receiver propagation delay downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn ___________________________________________________ ____________________________________ 7 s1 open s2 closed s3 = +1.5v ro 5v0 0 v oh v oh / 2 s1 open s2 closed s3 = +1.5v t rhz 50 0 v oh 0.5v 2.5v s1 closed s2 open s3 = -1.5v 5v0 v ol v cc 1.5v s1 closed s2 open s3 = -1.5v t rlz 5v0 v ol 5v 2.5v 0.5v generator 5v +1.5v 1k c l 15pf s2 s1 50 s3 -1.5v r v id re ro re ro re ro re t rzh , t rzh(shdn) t rzl , t rzl(shdn) (v ol + v oh ) / 2 figure 6. receiver disable time downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn 8 __________________________________________________ _____________________________________ typical operating characteristics (v cc = +5v, t a = 25?, unless otherwise noted.) 0 1 32 4 5 -40 10 -15 35 60 85 supply current vs. temperature max13181e-4e toc01 temperature ( c) supply current (ma) no loadre = v cc de = v cc 0 4 12 8 16 20 02 13 4 5 output current vs. receiver output high voltage max13181e-4e toc02 receiver output high voltage (v) output current (ma) 0 6 1812 24 30 02 13 4 5 output current vs. receiver output low voltage max13181e-4e toc03 receiver output low voltage (v) output current (ma) 4.0 4.44.2 4.84.6 5.25.0 5.4 -40 10 - 1 5 3 56 08 5 receiver output high voltage vs. temperature max13181e-4e toc04 temperature ( c) receiver output high voltage (v) i o = -1ma 0 0.1 0.30.2 0.4 0.5 -40 10 -15 35 60 85 receiver output low voltage vs. temperature max13181e-4e toc05 temperature ( c) receiver output low voltage (v) i o = -1ma 8060 40 20 0 02 1 345 driver differential output current vs. differential output voltage max13181e-4e toc06 differential output voltage (v) driver differential output current (ma) 0 1 32 4 5 -40 10 -15 35 60 85 driver differential output voltage vs. temperature max13181e-4e toc07 temperature ( c) driver differential otuput voltage (v) r l = 54 0 20 40 60 80 output current vs. transmitter output high voltage max13181e-4e toc08 transmitter output high voltage (v) output current (ma) -8 -2 0 -6 -4 2 4 6 0 4020 8060 100 120 output current vs. transmitter output low voltage max13181e-4e toc09 transmitter output low voltage (v) output current (ma) 04 6 28 1 0 1 2 downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn _______________________________________________________________________________________ 9 typical operating characteristics (continued) (v cc = +5v, t a = 25?, unless otherwise noted.) 0 2 64 8 10 -40 10 -15 35 60 85 shutdown current vs. temperature max13181e-4e toc10 temperature ( c) shutdown current ( a) 200 300 500400 600 700 -40 10 -15 35 60 85 driver propagation delay vs. temperature (250kbps) (max13182e) max13181e-4e toc11 temperature ( c) driver propagation delay (ns) c l = 50pf r l = 54 t dphl t pdlh 0 10 3020 40 50 -40 10 -15 35 60 85 driver propagation delay vs. temperature (16mbps) (max13184e) max13181e-4e toc12 temperature ( c) driver propagation delay (ns) c l = 50pf r l = 54 t dphl t pdlh driver propagation delay (250kbps) (max13182e) max13181e-4e toc16 400ns/div v y - v z 2v/div di2v/div c l = 50pf r l = 54 receiver propagation delay (16mbps) (max13184e) max13181e-4e toc17 10ns/div v a - v b 2v/divro 2v/div c l = 15pf driver propagation delay (16mbps) (max13184e) max13181e-4e toc18 10ns/div v y - v z 2v/div di2v/div c l = 50pf r l = 54 0 10 3020 40 50 -40 10 -15 35 60 85 receiver propagation delay vs. temperature (250kbps) (max13182e) max13181e-4e toc13 temperature ( c) receiver propagation delay (ns) c l = 15pf t rplh t rphl 0 10 3020 40 50 -40 10 -15 35 60 85 receiver propagation delay vs. temperature (16mbps) (max13184e) max13181e-4e toc14 temperature ( c) receiver propagation delay (ns) c l = 15pf t rplh t rphl receiver propagation delay (250kbps) (max13182e) max13181e-4e toc15 400ns/div v a - v b 2v/divro 2v/div c l = 15pf downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn 10 _________________________________________________ _____________________________________ x = don? care. functional tables transmitting input output re de di z y x10 1 0 x11 0 1 00x high impedance high impedance 10x shutdown (high impedance) receiving input output re de a-b ro 0x 200mv 1 0x - 200m v 0 1 1 x high impedance 10x shutdown (high impedance) max13182e/max13184e transmitting input output de di z y 10 10 11 01 0x high impedance high impedance receiving input output h/ f de a-b y-z ro 0x 200mv x 1 0x - 200m v x 0 10x 200mv 1 10x -200mv 0 max13181e/max13183e max13182e max13184e r in_up r in_dwn r in_dwn v cc ro gnd re de de di y z b a max13181e max13183e v cc ro h/f gnd di a b y z r in_dwn v cc d r functional diagram downloaded from: http:///
detailed description the max13181e?ax13184e high-speed transceiversfor rs-485 communication contain one driver and one receiver. these devices feature 1/8 unit-load input impedance that allows up to 256 receivers on the bus. all devices feature integrated pullup/pulldown resistors on the de, re , and h/ f inputs to reduce external com- ponents. the max13182e/max13184e feature a low-current shutdown mode for power-sensitive applications. the max13181e/max13182e feature reduced slew-rate drivers to minimize emi and reflections that are caused by improperly terminated cables. the slew-rate limited max13181e/max13182e allow error-free transmission up to 250kbps. the max13183e/max13184e feature full-speed drivers allowing data rate of up to 16mbps. the max13182e/max13184e are configured for full- duplex operation. the max13181e/max13183e feature selectable half- or full-duplex operation by driving h/ f input high or low, respectively. all devices operate froma single +5.0v supply. ?5kv esd protection as with all maxim devices, esd-protection structuresare incorporated on all pins to protect against electro- static discharges encountered during handling and assembly. the driver outputs of the max13181e max13184e family have extra protection against static electricity. maxim? engineers have developed state-of- the-art structures to protect these driver outputs against esd of ?5kv with v cc = 5v, and regardless of the logic state of de and di.the esd-protected pins are tested with reference to the ground pin in a powered-down condition. they are test- ed to ?5kv using the human body model, ?2kv using the iec 61000-4-2 air-gap discharge model, and to ?kv using the iec 61000-4-2 contact discharge model. esd test conditions esd performance depends on a variety of conditions.contact maxim for a reliability report that documents test setup, test methodology, and test results. max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn ___________________________________________________ ___________________________________ 11 pin description max13181e/ max13183e max13182e/ max13184e max13182e/ max13184e dfn so name function 111 4 v cc positive supply, v cc = +4.5v to +5.5v. bypass v cc with a 0.1? ceramic capacitor to ground. 222r o receiver output. when re is low and (a-b) 200mv, ro is high; if (a-b) -200mv, ro is low. ? 3 re receiver output enable. drive re low to enable ro. drive re high to disable the receiver. re input has an internal pullup resistor. 3 h/ f half-/full-duplex selector input. connect h/ f to v cc for half-duplex mode. leave h/ f unconnected or connect h/ f to gnd for full-duplex mode. h/ f input has an internal pulldown resistor. 444d e d r i ver o utp ut e nab l e. d r i ve d e hi g h to enab l e the d r i ver . d r i ver outp ut i s hi g h i m p ed ance w hen d e i s l ow . d e i np ut has an i nter nal p ul l d ow n r esi stor . 555d i driver input. with de high, a low on di forces noninverting output low andinverting output high. similarly, a high on di forces noninverting output high and inverting output low. 6 6 6, 7 gnd ground 779y noninverting driver output. (also noninverting receiver input in half-duplexmode.) 8 8 10 z inver ti ng d r i ver outp ut. ( al so i nver ti ng r ecei ver i np ut i n hal f- d up l ex m od e.) 9 9 11 b inverting receiver input 10 10 12 a noninverting receiver input 1, 8, 13 n.c. no connection. n.c. is not internally connected. downloaded from: http:///
max13181e?ax13184e human body model figure 7a shows the human body model, and figure 7bshows the current waveform it generates when discharged into a low impedance. this model consists of a 100pf capacitor charged to the esd voltage of interest, which is then discharged into the test device through a 1.5k resistor. machine model the iec 61000-4-2 standard covers esd testing andperformance of finished equipment. however, it does not specifically refer to integrated circuits. the max13485e/max13486e help equipment designs to meet iec 61000-4-2, without the need for additional esd protection components. the major difference between tests done using the human body model and iec 61000-4-2 is higher peak current in iec 61000-4-2 because series resistance is lower in the iec 61000-4-2 model. hence, the esd with- stand voltage measured to iec 61000-4-2 is generally lower than that measured using the human body model. figure 7c shows the iec 61000-4-2 model, and figure 7d shows the current waveform for the iec 61000-4-2 esd contact discharge test. applications information 256 transceiver on the bus the standard rs-485 receiver input impedance is 12k (one-unit load), and the standard driver can drive up to 32unit loads. the max13181e?ax13184e family trans- ceivers have a 1/8-unit load receiver input impedance (96k ), allowing up to 256 transceivers to be connected in parallel on one communication line. any combination ofthese devices and/or other rs-485 transceivers with a total of 32 unit loads or less can be connected to the line. reduced emi and reflections the max13181e/max13182e are slew-rate limited, min-imizing emi and reducing reflections caused by improp- erly terminated cables. this slew-rate limited feature allows error-free data transmission up to 250kbps. max13181e/max13183e low-power shutdown mode the max13181e/max13183e feature low power shut-down mode. low-power shutdown mode is initiated by bringing re high and de low. in shutdown, the devices typically draw only 2.5? (typ) of supply current. re and de can be driven simultaneously. if re is high and +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn 12 _________________________________________________ _____________________________________ charge-current- limit resistor discharge resistance storagecapacitor c s 100pf r c 1m r d 1500 high- voltage dc source device under test figure 7a. human body esd test model i p 100% 90% 36.8% t rl time t dl current waveform peak-to-peak ringing(not drawn to scale) i r 10% 0 0 amps figure 7b. human body current waveform charge-current- limit resistor discharge resistance storagecapacitor c s 150pf r c 50m to 100m r d 330 high- voltage dc source device under test figure 7c. iec 61000-4-2 esd test model t r = 0.7ns to 1ns 30ns 60ns t 100% 90%10% i peak i figure 7d. iec 61000-4-2 esd generator current waveform downloaded from: http:///
de is low for 200ns (typ), the devices are guaranteed toenter shutdown. enable times t zh and t zl (see the switching character- istics ) assume the devices are not in a low-power shut- down state. enable times t zh(shdn) and t zl(shdn) assume the devices are in a shutdown state. it takes dri-vers and receivers longer to become enabled from low- power shutdown mode (t zh(shdn) , t zl(shdn) ) than from driver-/receiver-disable mode (t zh , t zl ). line length the rs-485 standard covers line lengths up to 4000ft.for line lengths greater than 4000ft, use the repeater application shown in figure 8. typical applications the max13181e?ax13184e transceivers are designedfor bidirectional data communications on multipoint bus transmission lines. the max13181e/max13183e can be used in either half-duplex or full-duplex configuration. the max13182e/max13184e are for full-duplex only. figure 9 shows the typical network application circuit for half-duplex, and figures 10 and 11 show typical network application circuits for full duplex. to minimize reflections, terminate the line at both ends inits characteristics impedance, and keep stub lengths off the main line as short as possible. the slew-rate-limited max13181e/max13182e are more tolerant of imperfect termination. max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn ___________________________________________________ ___________________________________ 13 ro di (h/f) de r d max13182e/max13184e (full duplex) *re 120 120 ab z y data indata out (h/f for max13181e/ max13183e only) *re for figure 8. line repeater for max13181e?ax13184e di ro de a b re ro ro ro di di di de de de h/f d d d r r r bb b a a a 120 v cc 120 d r max13181e?ax13184e configured for half- duplex operation re re figure 9. typical half-duplex rs-485 network downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn 14 _________________________________________________ _____________________________________ ro di h/f de r 120 120 d max13181e/max13183e configured for full- duplex operation ro dide r d re 120 120 ab z y a b z y ro di de r d re yzba ro di de r d re yzba figure 10. typical full-duplex rs-485 network ro di de r 120 120 d max13182e/max13184e configured for full- duplex operation ro dide r d re 120 120 ab z y a b z y ro di de r d re yzba ro di de r d re yzba figure 11. typical full-duplex rs-485 network downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn ___________________________________________________ ___________________________________ 15 ordering information (continued) + denotes a lead-free package. part temp range pin-package top mark pkg code max13183e elb+ -40? to +85? 10 ?fn aba l1022-1 max13184e elb+ -40? to +85? 10 ?fn abb l1022-1 max13184eesd+ -40? to +85? 14 so s14-1 chip information process: bicmos pin configurations (continued) max13182emax13184e 1 n.c. 14 v cc 2 ro 13 n.c. 3 re 12 a 4 de 11 b 5 di 10 z 6 gnd 9y 7 gnd 8 n.c. top view so + downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn 16 _________________________________________________ _____________________________________ 6, 8, 10l udfn.eps even terminal l c odd terminal l c l e l a e e d pin 1 index area b e a b n solder mask coverage a a 1 pin 10.10x45 l l1 (n/2 -1) x e) xxxxxxxx xxxx sample marking a1 a2 7 a 1 2 21-0164 package outline,6, 8, 10l udfn, 2x2x0.80 mm -drawing not to scale- package information (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline information, go to www.maxim-ic.com/packages .) downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn ___________________________________________________ ___________________________________ 17 common dimensions symbol min. nom. a 0.70 0.75 a1 d 1.95 2.00 e 1.95 2.00 l 0.30 0.40 pkg. code n e b package variations l1 6 l622-1 0.65 bsc 0.300.05 0.250.05 0.50 bsc 8 l822-1 0.200.03 0.40 bsc 10 l1022-1 2.05 0.80 max. 0.50 2.05 0.10 ref. (n/2 -1) x e 1.60 ref. 1.50 ref. 1.30 ref. a2 - -drawing not to scale- a 2 2 21-0164 package outline,6, 8, 10l udfn, 2x2x0.80 mm 0.15 0.20 0.25 0.020 0.025 0.035 package information (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline information, go to www.maxim-ic.com/packages .) downloaded from: http:///
max13181e?ax13184e +5.0v, ?5kv esd-protected, half-duplex/ full-duplex, rs-485 transceiver in ?fn maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circuit patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. 18 ____________________maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 2007 maxim integrated products is a registered trademark of maxim integrated products, inc. springer soicn .eps package outline, .150" soic 1 1 21-0041 b rev. document control no. approval proprietary information title: top view front view max 0.010 0.069 0.019 0.157 0.010 inches 0.150 0.007 e c dim 0.014 0.004 b a1 min 0.053 a 0.19 3.80 4.00 0.25 millimeters 0.10 0.35 1.35 min 0.49 0.25 max 1.75 0.050 0.016 l 0.40 1.27 0.394 0.386 d d min dim d inches max 9.80 10.00 millimeters min max 16 ac 0.337 0.344 ab 8.75 8.55 14 0.189 0.197 aa 5.00 4.80 8 n ms012 n side view h 0.244 0.228 5.80 6.20 e 0.050 bsc 1.27 bsc c h e e b a1 a d 0 -8 l 1 variations: package information (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline information, go to www.maxim-ic.com/packages .) downloaded from: http:///

▲Up To Search▲

Price & Availability of MAX13181EELBT

	To Download MAX13181EELBT Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .