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high precision 5 v reference ad586 rev. g 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. 461. 31 13 ? 2005 analog de vices, i n c. al l r i ght s r e ser v ed . features laser trimmed to high accuracy 5.000 v 2 .0 m v (m grad e) trimmed temp erature coeffici ent 2 ppm/c max, 0c to 7 0 c (m grade) 5 ppm/c max, ?40 c to +8 5c (b and l grad e s) 10 ppm/c max , ?55 c to + 125 c (t grade) low noise, 100 nv/hz noise reduction capability output trim ca pability mil-std-883-c o mpliant versi o ns available industrial t e m p erature range soics avail a bl e output capable of sourcing or sinking 10 m a general description the ad586 r e p r es en ts a ma jo r ad van c e in s t a t e-o f -the-a r t mon o l i t h i c vol t age refere n c es. u s ing a p r op r i e t a r y ion-i m p l a n t e d b u r i e d z e n e r di o d e an d las e r w a fe r t r immin g of hig h st ab i l i t y thin-f il m r e sis t ors, th e ad586 p r o v ides o u ts tandin g p e r f o r m- anc e a t l o w c o st . the ad586 o f f e rs m u c h hig h er p e r f o r ma n c e tha n m o s t o t h e r 5 v r e f e r e n c es. b e ca us e the ad586 us es a n in d u s t r y -s ta nda rd p i n o u t , man y sys t em s can b e u p g r ade d ins t an tl y wi t h t h e ad586. the b u r i e d z e ner a p p r o a ch t o refer e n c e desig n p r o v ides lo w e r n o is e an d dr if t tha n band ga p vol t a g e r e f e r e n c es. th e ad586 o f fers a n o is e r e d u c t io n pin t h a t ca n b e us e d to f u r t h e r r e d u ce t h e noi s e l e vel g e ne r a te d b y t h e b u r i e d z e ne r . the ad586 is r e co mm en de d f o r us e as a r e f e r e n c e f o r 8-, 10-, 12-, 14-, o r 16-b i t d a cs tha t r e q u ir e a n ext e r n al p r ecisio n r e fer e n c e . t h e d e v i ce is a l s o ide a l fo r successi v e a p p r o x im a t ion o r in t e g r a t in g ad cs wi t h u p t o 14 b i ts o f acc u rac y a n d , in gen e r a l, c a n o f fer b e tter p e r f o r ma nce t h an t h e st anda r d on-ch i p re f e re nc e s . the ad586j , ad586k, ad586 l, a nd ad586m a r e s p ecif ie d f o r o p era t ion f r o m 0c t o 70c; t h e ad586a an d ad586b a r e s p ecif ie d f o r ?40c t o +85c op era t ion; an d t h e ad586s a nd ad586t a r e s p ecif ied f o r ?55c t o +125c o p era t io n. t h e ad586j , a d 586k, ad 586 l, a n d ad586 m a r e a v a i la b l e in an 8 - lead p d ip ; th e ad586j , ad586k, ad586 l, ad586a, and ad586b a r e a v aila b l e in an 8-le ad so i c p a cka g e; a nd t h e ad586j , a d 586k, ad586 l, ad 586s , a n d ad5 86t a r e a v ai l a bl e i n an 8 - lea d cerd ip pa c k a g e . a1 r s r z1 r z2 r f r t r i ad586 gnd v in noise reduction v out trim notes 1. pins 1, 3, and 7 are internal test points. make no connections to these points. 6 5 4 8 2 00529-001 fi g u r e 1 . product highlights 1. l a s e r t r imm i n g o f b o t h in i t ia l a c c u rac y a n d te m p er a t ur e co ef f i cien ts r e su l t s in v e r y lo w er r o rs o v er t e m p era t ur e wi t h o u t t h e us e o f ext e r n al co m p o n en ts. th e ad586m has a maxim u m de via t io n f r o m 5.00 0 v o f 2.45 mv betw een 0c an d 70 c, and the ad586t gua r a n tees 7.5 mv maxim u m t o tal er r o r betw een ?55c an d +125c. 2. f o r a p plica t ion s r e q u ir in g hig h e r p r e c isio n, a n op t i o n a l f i ne - t r i m c o n n e c t i on i s prov i d e d . 3. a n y s y ste m u s i n g an i n d u st r y - s t a n d a rd p i nout re f e re nc e ca n be u p g r ade d in stan tl y wi t h th e ad586. 4. o u t p u t n o is e o f th e ad586 is ver y l o w , typ i cal l y 4 v p-p . a n o is e r e d u c t i o n p i n is p r o v id e d fo r addi t i o n a l n o is e f i l t er in g usin g an ext e r n a l ca p a ci t o r . 5. th e ad586 is a v a i la b l e in v e r si o n s co m p lia n t wi th m i l - s t d - 8 8 3 . refer to t h e an a l o g d e vi c e s mi l i t a r y p r o d uc ts d a tab o ok o r th e c u r r en t ad586/883b da ta sheet fo r det a i l e d sp e c if ica t ion s .
ad586 rev. g | page 2 of 16 table of contents specifications..................................................................................... 3 ad586j, ad586k/ad586a, ad586l/ad586b ....................... 3 ad586m, ad586s, ad586t....................................................... 4 absolute maximum ratings............................................................ 5 esd caution.................................................................................. 5 pin configurations and function descriptions ........................... 6 theory of operation ........................................................................ 7 applying the ad586..................................................................... 7 noise performance and reduction ............................................ 7 turn-on time................................................................................ 8 dynamic performance................................................................. 8 load regulation ............................................................................9 temperature performance............................................................9 negative reference voltage from an ad586........................... 10 using the ad586 with converters ........................................... 10 5 v reference with multiplying cmos dacs or adcs ...... 11 stacked precision references for multiple voltages .............. 11 precision current source .......................................................... 11 precision high current supply ................................................ 11 outline dimensions ....................................................................... 13 ordering guide .......................................................................... 14 revision history 3/05rev. f to rev. g updated format..................................................................universal split specifications table into table 1 and table 2....................... 3 changes to table 1............................................................................ 3 added figure 2 and figure 4........................................................... 6 updated outline dimensions ....................................................... 13 changes to ordering guide .......................................................... 14 1/04rev. e to rev. f changes to ordering guide ................................................... 3 7/03rev. d to rev. e removed ad586j chips ..................................................universal updated ordering guide........................................................ 3 change to figure 3 ........................................................................... 4 updated figure 12 ............................................................................ 7 updated outline dimensions .............................................. 9 4/01rev. c to rev. d changed figure 10 to table 1 (maximum output change in mv)............................................... 6 11/95revision 0: initial version
ad586 rev. g | page 3 of 16 specifications ad586j, ad586k/ad586a , ad586l/ad586b @ t a = 25c, v in = 15 v, unless otherwise noted. specifications in boldface are tested on all production units at final electrical test. results from those tests are used to calculate outgoing quality levels. all minimum and maximum specifications are guaranteed, although only those shown in boldface are tested on all production units, unless otherwise specified. table 1. ad586j ad586k/ad586a ad586l/ad586b parameter min typ max min typ max min typ max unit output voltage 4.980 5.020 4.995 5.005 4.9975 5.0025 v output voltage drift 1 0c to 70c 25 15 5 ppm/c ?55c to +125c ppm/c gain adjustment +6 +6 +6 % ?2 ?2 ?2 % line regulation 1 10.8 v < + v in < 36 v t min to t max 100 100 100 v/v 11.4 v < +v in < 36 v t min to t max v/v load regulation 1 sourcing 0 ma < i out < 10 ma 25c 100 100 100 v/ma t min to t max 100 100 100 v/ma sinking ?10 ma < i out < 0 ma 25c 400 400 400 v/ma quiescent current 2 3 2 3 2 3 ma power consumption 30 30 30 mw output noise 0.1 hz to 10 hz 4 4 4 v p-p spectral density, 100 hz 100 100 100 nv/hz long-term stability 15 15 15 ppm/1000 hr short-circuit current-to-ground 45 60 45 60 45 60 ma temperature range specified performance 2 0 70 0 ? 40 (k grade) (a grade) 70 +85 0 ? 40 (l grade) (b grade) 70 +85 c c operating performance 3 ?40 +85 ?40 +85 ?40 +85 c 1 maximum output voltage drift is guaranteed for all packages and grades. cerdip packag ed parts are also 100c production tested . 2 lower row shows specified performance for a and b grades. 3 the operating temperature range is define d as the temperature extremes at which the device will still function. parts may devi ate from their specified performance outside their specified temperature range.
ad586 rev. g | page 4 of 16 ad586m, ad586s, ad586t @ t a = 25c, v in = 15 v, unless otherwise noted. specifications in boldface are tested on all production units at final electrical test. results from those tests are used to calculate outgoing quality levels. all minimum and maximum specifications are guaranteed, although only those shown in boldface are tested on all production units, unless otherwise specified. table 2. ad586m ad586s ad586t parameter min typ max min typ max min typ max unit output voltage 4.998 5.002 4.990 5.010 4.9975 5.0025 v output voltage drift 1 0c to 70c 2 ppm/c ?55c to +125c 20 10 ppm/c gain adjustment +6 +6 +6 % ?2 ?2 ?2 % line regulation 1 10.8 v < +v in < 36 v t min to t max 100 v/v 11.4 v < +v in < 36 v t min to t max 150 150 v/v load regulation 1 sourcing 0 ma < i out < 10 ma 25c 100 150 150 v/ma t min to t max 100 150 150 v/ma sinking ?10 ma < i out < 0 ma 25c 400 400 400 v/ma quiescent current 2 3 2 3 2 3 ma power consumption 30 30 30 mw output noise 0.1 hz to 10 hz 4 4 4 v p-p spectral density, 100 hz 100 100 100 nv/hz long-term stability 15 15 15 ppm/1000 hr short-circuit current-to-ground 45 60 45 60 45 60 ma temperature range specified performance 2 0 70 ?55 +125 ?55 +125 c operating performance 3 ?40 +85 ?55 +125 ?55 +125 c 1 maximum output voltage drift is guaranteed for all packages and grades. cerdip packag ed parts are also 100c production tested . 2 lower row shows specified performance for a and b grades. 3 the operating temperature range is define d as the temperature extremes at which the device will still function. parts may devi ate from their specified performance outside their specified temperature range.
ad586 r e v. g | pa ge 5 o f 1 6 absolute maximum ratings table 3. p a r a m e t e r r a t i n g v in to ground 36 v power dissi pati on (25c) 500 mw storage temperature ?65c to +150c lead temperature (soldering, 10 sec) 300c package t h erm a l resistan ce jc 2 2 c / w ja 1 1 0 c / w output protecti on output safe for indefinite short to ground or v in . 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 c a us e p e r m a n en t dama ge t o t h e de vice . this is a s t r e s s r a t i ng 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 o t h e r con d i t io ns a b o v e t h o s e i ndic a te d i n t h e op er a t io na l s e c t io n o f t h is sp e c if ic a t io n is no t im plie d . e x p o sur e t o a b s o l u te max i m u m ra t i ng co ndi t i on s fo r ex ten d e d p e r i o d s ma y a f fe c t de vice r e l i ab i l i t y . esd caution esd (electrostatic discharge) se nsiti ve device . e l ectrostatic char ges as high as 4 000 v readily accumulate on the human body and tes t eq uipment and can dis c harge w i t h out detection. although this product features proprietary esd protection circ uitry, permanent dama ge may occur on dev i ces subj ected to high energy electrostatic di scharge s . t h erefore, proper esd precautions are recom m ended to avoid performan c e degradation or l o ss of functiona l ity.
ad586 r e v. g | pa ge 6 o f 1 6 pin conf igurations and f u ncti on descriptions 1 tp denotes factory test point. no connections, except dummy pcb pad, should be made to these points. tp 1 1 v in 2 tp 1 3 gnd 4 noise reduction 8 tp 1 7 v out 6 trim 5 ad586 top view (not to scale) 00529-002 f i gure 2. pin config ur ation ( n -8) 1 tp denotes factory test point. no connections, except dummy pcb pad, should be made to these points. 00529-003 tp 1 1 v in 2 tp 1 3 gnd 4 noise reduction 8 tp 1 7 v out 6 trim 5 ad586 top view (not to scale) f i gure 3. pin config ur ation ( q - 8 ) 1 tp denotes factory test point. no connections, except dummy pcb pad, should be made to these points. 00529-004 tp 1 1 v in 2 tp 1 3 gnd 4 noise reduction 8 tp 1 7 v out 6 trim 5 ad586 top view (not to scale) f i gure 4. pin config ur ation (r- 8 ) ta ble 4. pi n f u nct i on d e s c ri pt i o ns pin o. mnemonic description 1 t p 1 factory trim pad (no connect). 2 v in i n p u t v o l t a g e . 3 t p 1 factory trim pad (no connect). 4 g n d g r o u n d . 5 trim optional external fine trim. see the applying the ad586 section. 6 v ou t o u t p u t voltage. 7 t p 1 factory trim pad (no connect). 8 noice reduc t i o n optional noise reduction filt er with ex ternal 1f capacitor to ground.
ad586 r e v. g | pa ge 7 o f 1 6 theory of operation the ad586 co nsis ts o f a p r o p r i eta r y b u r i ed z e n e r dio d e r e f e r - en c e , a n am plif i e r t o b u f f er t h e o u t p ut, an d s e veral hig h st a b i l i t y thin-f il m r e sis t ors, as s h o w n in t h e b l o c k dia g ram in f i gur e 5. this desig n r e su l t s in a hig h p r e c isio n m o n o li t h ic 5 v o u t p u t r e fer e n c e wi t h i n i t ial o f fs et o f 2.0 mv o r les s . th e tem p era t ur e co m p e n s a t i o n c i r c ui t r y p r o v ides t h e de vice w i t h a t e m p era t ur e co ef f i cien t o f un der 2 p p m/c. u s i n g t h e b i a s co m p en sa ti o n r e s i s t o r bet w een t h e z e n e r o u t p u t a nd t h e n o ni n v er t i n g in p u t to t h e am plif ier , a c a p a ci to r ca n b e adde d a t t h e n o i s e r e d u c t ion p i n (pin 8) to fo r m a lo w-p a ss f i l t er a nd r e d u c e t h e n o is e co n t r i b u t i on o f t h e z e n e r t o t h e cir c ui t. a1 r s r z1 r z2 r f r t r i ad586 gnd v in noise reduction v out trim notes 1. pins 1, 3, and 7 are internal test points. make no connections to these points. 6 5 4 8 2 00529-001 f i gur e 5 . f u nctio n al bl oc k dia g r a m applying the ad586 the ad586 is sim p le t o us e in vir t ual l y al l p r ecisio n r e f e r e n c e a p plic a t ion s . w h e n p o w e r is a pplie d t o pi n 2 and pin 4 is g r ou nd e d , pi n 6 prov i d e s a 5 v output . n o e x te r n a l c o m p o n e n t s a r e r e q u ir e d ; t h e deg r e e o f desi r e d a b s o l u te acc u r a c y is achie v e d sim p l y b y s e lec t in g the r e q u ir e d de vice g r ade . th e ad586 r e q u ir es les s t h a n 3 ma q u ies c e n t c u r r en t f r o m a n o p er a t in g s u p p l y o f 12 v o r 15 v . an ext e r n al f i n e tr im ma y be desir e d t o s e t t h e o u t p u t lev e l t o exac tl y 5.000 v (calib ra ted t o a ma in sys t em r e fer e n c e). s y s t em ca lib r a t ion m a y a l s o r e q u ir e a r e fer e n c e v o l t a g e t h a t is slig h t ly dif f er en t f r o m 5 . 000 v , f o r exa m p l e , 5.12 v f o r b i na r y a p p l ic a - t i ons . i n e i t h e r c a s e , t h e opt i on a l t r i m c i rc u i t s h ow n i n fi g u re 6 ca n o f fs et t h e ou t p u t b y as m u ch as 300 mv wi t h minimal ef f e c t on ot h e r d e v i c e ch ar a c te r i st i c s . ad586 gnd v in c n 1 f v o trim optional noise reduction capacitor v in noise reduction output 10k ? 6 5 2 4 8 00529-005 fi g u r e 6 . o p t i o n a l fi n e - t r i m c o n f i g u r a t i o n noise performance a n d reduc t i o n the no is e ge ner a t e d b y t h e ad 5 86 i s ty p i cal l y les s than 4 v p - p o v er th e 0.1 h z t o 10 h z b a n d . n o is e in a 1 m h z b a n d wid t h is a p p r o x ima t e l y 200 v p-p . th e do minan t s o ur c e o f this n o is e is th e b u r i ed z e n e r , whic h co n t r i b u t e s a p p r o x ima t e l y 100 nv/ h z . by com p a r i s on, con t r i b u t i o n b y t h e o p am p is ne g l ig ib l e . f i gur e 7 s h o w s t h e 0.1 h z t o 10 h z n o is e o f a typ i cal ad586. th e n o is e m e a s ur e m en t is made wi t h a b a nd-p a ss f i lter m a de o f a 1-p o le hig h -p as s f i l t er wi t h a co r n er f r eq uen c y a t 0.1 h z , and a 2-p o le lo w-p a s s f i l t er wi t h a co r n er f r eq uen c y a t 12.6 h z , t o cr ea t e a f i l t e r wi th a 9. 92 2 h z ba n d w id th . i f f u r t h e r n o is e r e d u c t io n is des i r e d , a n ext e r n a l ca p a ci t o r can b e a dde d b e twe e n t h e n o is e r e d u c t io n p i n an d g r o u n d , as s h own in f i gur e 6. this ca p a c i t o r , co m b ined wi t h the 4 k? r s a nd t h e z e n e r r e sis t a n ces, fo r m s a lo w-p a s s f i l t er o n th e ou t p u t o f th e z e n e r ce l l . a 1 f ca p a c i to r wil l ha ve a 3 db p o in t a t 12 h z , and wil l r e d u ce t h e hig h f r eq uen c y (t o 1 mh z) n o is e t o a b o u t 160 v p - p . f i gur e 8 s h ows th e 1 m h z no is e o f a typ i cal ad586, bo t h wi th an d wi th ou t a 1 f ca p a c i t o r . 00529-006 1 f 5 s 1 f f i g u re 7. 0.1 h z to 1 0 h z n o is e
ad586 r e v. g | pa ge 8 o f 1 6 00529-007 c n = 1 f no c n 50 s 200 v f i gure 8. e ffec t of 1 f no ise re duct ion c a pacitor on b r oadband n o is e turn-o n ti me u p o n ap p l i c at i o n o f p o w e r ( c o l d s t a r t ) , t h e t i m e r e q u i r e d f o r t h e o u t p ut v o l t ag e t o r e ach i t s f i nal val u e wi t h in a s p e c if ie d er r o r b a n d is de f i n e d as t h e t u r n -on s e t t lin g t i m e . t w o com p o- n e n t s n o rm all y a s soci a t e d wi th th i s a r e th e t i m e f o r th e a c ti v e cir c ui ts t o s e t t le , a nd t h e t i m e for t h e t h er mal g r adien t s o n t h e c h i p t o s t ab il ize . f i gur e 9, f i gur e 10, a n d f i gur e 11 s h o w t h e t u r n -on c h a r ac ter i s t ics o f th e ad586. i t s h o w s t h e s e t t lin g t o be a b o u t 60 s t o 0.01%. n o te t h e abs e n c e o f an y ther mal ta ils when t h e h o r i zo n t al s c ale is exp a n d e d t o l ms/cm in f i gur e 10. o u t p u t t u r n -on time is m o dif i e d w h en an ext e r n al n o is e r e d u c - t i o n c a p a ci t o r is us e d . w h en p r e s en t, t h is ca p a c i t o r ac ts as an a d d i ti o n al loa d t o th e curr e n t s o ur ce o f th e i n t e rn al z e n e r dio d e , r e s u l t in g in a s o me wha t lo n g er t u r n -on t i me . i n t h e cas e o f a 1 f ca p a ci t o r , t h e in i t ia l t u r n -o n t i me is a p p r o x ima t e l y 400 m s t o 0.01% (s ee f i gur e 1 1 ). 00529-008 v in v out 10v 1mv 20 s f i gure 9. e l ec tri c a l t u rn- o n 00529-009 v in v out 10v 5v 1ms f i g u re 10. e x tend e d ti me s c a l e 00529-010 v in v out 10v 1mv 100ms f i g u re 11. t u rn- o n wit h 1f c n ch ar ac ter i s t ics dynamic performance the o u t p u t b u f f er a m p l if ier is desig n e d t o p r o v ide the ad586 wi t h s t a t ic and d y na mic lo ad r e gu la tion s u p e r i o r t o les s co m - plet e r e fer e n c es. m a n y ad cs and d a cs p r es en t t r a n sien t c u r r en t lo ads t o t h e re f e re nc e, a n d p o or re f e re nc e re sp ons e c a n d e g r a d e t h e p e r - f o r m a n ce o f th e co n v er t e r . f i gur e 12, f i gur e 13, a nd f i gur e 14 dis p l a y th e cha r ac t e r i s t ics o f th e ad586 o u t p u t a m p l if ier dr ivin g a 0 ma t o 10 ma lo ad . ad586 v l 5v 0v v out 500 ? 3.5v 00529-011 f i g u re 12. t r ans i en t l oad t e s t circu i t
ad586 r e v. g | pa ge 9 o f 1 6 00529-012 v l v out 5v 50mv 1 s f i g u re 13. lar g e - s c al e t r ans i ent r e s p o n s e 00529-013 v l v out 5v 1mv 2 s f i gure 1 4 . f i ne- s c a le s e tti ng for t r a n s i ent l o a d i n s o m e a p pli c a t io n s , a va r y in g lo ad ma y b e b o t h r e sist i v e and ca p a c i ti v e in na t u r e , o r th e lo ad ma y b e co nn ec t e d t o t h e ad58 6 b y a lo n g ca p a c i ti v e cab l e . f i gur e 15 a nd f i gur e 16 dis p l a y th e o u t p u t a m plif ier c h a r ac t e r i s t ics dr i v in g a 1000 pf , 0 ma t o 10 ma lo ad . ad586 v l 5v 0v v out c l 1000pf 500 ? 3.5v 00529-014 f i gur e 1 5 . c a p a ci tiv e l o a d t r a n si ent resp o n se t e st cir c uit 00529-015 c l = 0 c l = 1000pf 5v 200mv 1 s f i gure 1 6 . o u tput resp o n se wi th ca paci ti v e l o a d load regulation th e ad586 has ex ce llen t l o ad r e gu la tio n c h a r ac t e ris t ics . fi g u r e 1 7 s h o w s tha t v a r y i n g th e loa d s e v e ral m a c h a n g e s th e o u t p u t b y a f e w v . the ad586 has s o m e w h a t bet t er lo ad r e gu la tion p e r - f o rm a n c e so u r c i n g cu rr e n t th a n s i n k in g cu rr e n t . ?6 ? 4 ?2 24 68 1 0 load (ma) 0 ?500 ?1000 500 1000 ? v out ( v) 00529-016 f i g u re 17. t y pic a l l oad r e g u l a t i on ch ar ac te ris t i c s temperature perfor mance the ad586 is desig n e d f o r p r ecisio n r e f e r e n c e a p p l ic a t ion s w h er e t e m p er a t ur e p e r f o r ma n c e is cr i t ical . e x t e n s i v e t e m p er a - t u r e t e s t in g e n sur e s th a t th e de v i ce ma in ta in s a h i gh lev e l o f p e r f o r ma n c e o v er t h e o p er a t ing t e m p era t ur e ra n g e . s o me co nf usio n ex ists w i t h d e f i nin g and sp e c if y i n g r e fer e n c e v o l t a g e er r o r o v er t e m p er a t ur e . h i s t o r ical l y , r e fer e n c es ha v e been c h a r a c t e riz e d us i n g a m a xi m u m d e via t i o n pe r d e gr ee c e lsi u s, t h a t is, p p m /c. h o w e ver , b e c a us e o f no nli n e a r i t i es i n t e m p era t ur e ch a r ac t e r i st ics t h a t o r ig ina t e d i n st a n d a r d z e n e r r e fer e n c es (s uc h as s typ e c h a r ac t e r i s t ics), m o st ma n u fac t ur ers ha ve b e gu n to us e a max i m u m l i mi t er r o r b a n d a p p r o a ch to sp e c if y de vices. this t e chniq u e i n v o lv es m e a s ur in g t h e ou t p u t a t t h r e e o r m o r e dif f er en t t e m p era t ur es t o s p e c if y a n o u t p u t v o l t - a g e er r o r b a nd .
ad586 rev. g | page 10 of 16 f i gur e 18 s h o w s th e typ i cal ou t p u t v o l t a g e dr if t f o r th e ad586l a n d ill u s t ra t e s t h e t e s t m e t h o d olog y . t h e bo x in f i gur e 18 is b o u n de d o n t h e sides b y t h e o p era t in g t e m p era t ur e ext r em es a nd o n t h e to p a nd t h e b o tto m b y t h e max i m u m an d min i m u m o u t p ut v o l t a g es m e as ur e d o v er t h e op era t i n g t e m p er a t ur e r a nge. t h e sl op e of t h e d i agon a l d r aw n f r om t h e l o we r l e f t to t h e u p p e r r i g h t co r n er o f t h e b o x det e r m i n es t h e p e r f o r ma n c e g r ade o f t h e de v i ce . ?20 0 20 40 60 80 5 .003 5.000 temperature ( c) v min v max v max ?v min (t max ?t min ) 5 10 ?6 slope t min t max slope = t.c. = = = 4.3ppm/ c 5.0027 ? 5.0012 (70 c ? 0) 5 10 ?6 00625-017 f i g u re 18. t y pic a l a d 58 6l t e mpe r at u r e d r if t e a c h ad586j , ad586k, an d ad586l g r ade uni t is t e s t e d a t 0c, 25c, a nd 70c. e a c h ad586s q a nd ad586tq g r ade uni t is t e s t e d a t ?55c, +25c, a nd +12 5 c. this a p p r o a c h en s u r e s tha t t h e va r i a t ion s of o u t p u t v o l t a g e t h a t o c c u r as t h e t e m p era t ur e cha n ges wi t h in t h e sp e c if ie d ran g e w i l l b e co n t a i ne d w i t h i n a bo x w h ose d i a g o n al h a s a s l o p e eq ual t o t h e m a xim u m specif ie d d r i f t . th e posi tio n o f th e bo x o n th e v e r t i c al s c ale w i ll c h a n g e f r o m de vice t o de vice as ini t ial er r o r a n d t h e s h a p e o f t h e c u r v e va r y . th e maxi m u m h e i g h t o f t h e b o x fo r t h e a p p r o p r i a t e t e m - p e ra t u r e ra n g e a nd d e vice g r ad e is sh own in t a b l e 5. d u pli- ca t i on o f t h es e r e su l t s r e q u ir es a co m b in a t ion o f hig h acc u rac y and st abl e te m p e r a t u r e c o n t rol i n a te st s y ste m . e v a l u a t i on of th e ad586 wil l p r o d uce a c u r v e simila r t o tha t in f i gur e 18, b u t o u t p ut r e adin gs co u l d va r y dep e ndin g on t h e test m e t h o d s and eq ui p m en t use d . table 5. maximum out p ut c h ange in m v maximum out p ut change m v device grade 0c to 7 0 c 40 c to 5c 55 c to 1 25 c a d 5 8 6 j 8 . 7 5 a d 5 8 6 k 5 . 2 5 a d 5 8 6 l 1 . 7 5 a d 5 8 6 m 0 . 7 0 a d 5 8 6 a 9 . 3 7 a d 5 8 6 b 3 . 1 2 a d 5 8 6 s 1 8 . 0 0 a d 5 8 6 t 9 . 0 0 negative r e ference voltage fr om an ad5 86 the ad586 can be us e d t o p r o v ide a p r ecision ?5.000 v o u t p u t , a s s h ow n i n fi g u re 1 9 . t h e v in p i n is t i e d t o a t l e ast a 6 v su p p ly , th e o u t p u t p i n is g r o u n d e d , an d th e ad586 g r oun d p i n is co n- ne c t e d t h rou g h a re s i stor , r s , to a ? 1 5 v su p p ly . the ? 5 v ou tp ut is n o w t a k e n f r o m t h e g r o u nd pin (pin 4) i n ste a d o f v ou t . i t i s es s e n t ial t o a r ra n g e t h e o u t p u t l o ad a nd t h e su ppl y r e sis t o r , r s, s o tha t t h e n e t c u r r en t thr o ug h th e ad586 is betw een 2.5 ma a nd 10.0 ma. th e tem p era t ur e cha r ac t e r i s t ics and lo n g -ter m s t ab i l i t y o f t h e de v i ce wil l b e ess e n t ial l y t h e s a me as t h a t o f a uni t us e d in t h e s t anda r d +5 v o u t p u t co nf igura t io n. ad586 gnd +6v +30v 2.5ma < ? i l < 10ma 10v r s ?5 v r s v out v in i l ? 15v 2 4 6 00529-018 f i g u re 19. a d 5 8 6 a s a n e g a t i ve 5 v r e f e r e nc e sin the ad586 ith converters the ad586 is an ideal r e f e r e nc e f o r a wide va r i ety o f 8-, 12-, 14-, a nd 16- b i t a d cs a nd d a c s . s e v e r a l r e p r es en t a t i v e exa m ples a r e expla i n e d in t h e fol l o w in g s e c t i o n s .
ad586 rev. g | page 11 of 16 5 v ref e rence with multiplying cmos dacs or adc s the ad586 is ideal f o r a p p l ic a t io n s wi th 10 - and 12-b i t m u l t i p ly in g cmos d a cs. i n t h e st anda r d h o o k u p , as sh o w n in f i gur e 20, the ad586 is p a ir e d wi th t h e ad7 545 12-b i t m u l t i p ly in g d a c a nd t h e ad71 1 hig h sp e e d bi f e t o p a m p . the am plif ier d a c co nf igura t ion p r o d uces a un i p ola r 0 v t o ? 5 v output r a n g e. bip o l a r output a p pl i c a t i o ns an d ot he r o p e r a t in g d e t a ils ca n be f o un d in th e in di v i d u al p r od uct d a t a she e ts . ad586 gnd v out v in ad711k 0.1 f 0.1 f ? 15v 0 v t o ?5v +15v out 1 agnd dgnd db11 t o db0 c1 33pf r2 68 ? r fb +15v v dd ad7545k v ref 10k ? v out trim +15v 20 18 19 6 5 4 2 3 1 2 7 4 6 3 2 00529-019 f i g u re 20. l o w p o wer 12-b i t c m os da c a p pli c at ion the ad586 can als o be us ed as a p r ecisio n r e f e r e n c e f o r m u l t i - p l e d a cs. f i gur e 21 s h o w s t h e ad586, the ad7628 d u al d a c, a nd t h e ad712 d u al o p am p h o ok e d u p f o r sin g le-s u p p l y o p er a - t i on to pro d u c e 0 v to ? 5 v output s . b e c a u s e b o t h d a c s are on t h e s a me die and sha r e a co m m o n r e fer e n c e and o u tp u t o p a m ps, the d a c o u t p u t s wil l exhi b i t simila r ga in t c s. ad586 gnd ad712 out a dgnd agnd dac a db0 db7 data inputs out b dac b rfb b rfb a v ref a v ref b ad7628 v in v ou t a= 0t o? 5 v v ou t b= 0t o? 5 v v out +15v +15v 6 4 4 7 14 2 5 3 17 1 19 20 2 4 00529-020 f i gur e 2 1 . ad58 6 as a 5 v re fer e nc e for a cmos stacked pr ecision references for multiple voltages o f te n , a d e s i g n re qu i r e s s e ve r a l re f e re nc e vo lt ag e s . t h re e ad586s can be s t ack e d , as sh o w n in f i gur e 22, t o p r o d uce 5.000 v , 10.000 v , a nd 15.000 v o u t p u t s. this s c h e m e can b e ext e n d ed t o a n y n u m b er o f ad586s, p r o v ided t h e maxim u m lo ad c u r r en t is n o t exce e d e d . this desig n p r o v i d es t h e addi - t i on a l a d v a n t ag e of i m prove d l i ne re g u l a t i o n o n t h e 5 . 0 v output . c h ange s i n v in o f 18 v t o 50 v p r o d uce o u t p u t cha n g e s tha t a r e be lo w t h e n o is e le v e l o f th e r e f e r e n c e s . 22v to 46v ad586 gnd v out v in trim 10k ? ad586 gnd v out v in trim ad586 gnd v out v in trim 10k ? 10k ? 15v 10v 5v 2 4 5 6 2 4 5 6 2 4 5 6 00529-021 f i g u re 22. m u lt ip le a d 58 6s st a c k e d f o r p r ec is i o n 5 v , 10 v , and 15 v o u t p ut s precisio n current source the desig n o f t h e ad586 al lo ws i t t o be easil y c o nf igur ed as a c u r r en t s o ur ce . b y c h o o sin g t h e co n t r o l r e sis t o r r c in f i gur e 23, t h e us er can va r y t h e lo ad c u r r en t f r o m t h e q u i e s c en t c u r r en t (typ ical l y , 2 ma) t o a p p r o x ima t e l y 10 ma. th e co m p lian ce v o l t - age of t h i s c i rc u i t v a r i e s f r om a b out 5 v to 2 1 v , d e p e nd i n g on t h e va l u e o f v in . ad586 gnd v out v in 5v r c i l = + i bias +v in r c (500 ? min) 2 4 6 00529-022 f i gure 23. p r ec is io n current s o u r c e precisio n high current su pply f o r hig h er c u r r en ts, t h e ad586 ca n e a si l y b e conn e c t e d t o a p o w e r p n p o r p o w e r d a rlin gt on pnp de vice . th e cir c ui t in f i gur e 24 a nd f i gur e 25 ca n de l i v e r u p t o 4 a m ps t o th e lo ad . the 0.1 f c a p a ci t o r is r e q u ir e d o n ly if t h e lo ad has a sig n if i c a n t c a p a c i t i ve c o m p one n t . i f t h e l o ad i s pu rely re s i st ive, i m prove d hig h f r e q u e nc y su p p ly re j e c t ion re su l t s c a n b e o b t a i n e d b y re mov i ng t h e c a p a c i tor .
ad586 rev. g | page 12 of 16 ad586 gnd v out v in 5v r c i l = + i bias r c 0.1 f 15v 220 ? 2n6285 2 6 4 00529-023 f i gure 24. p r ec isio n high cur r ent cur r e n t s o u r ce v out 5v @ 4 amps ad586 gnd v out v in 0.1 f 15v 220 ? 2n6285 2 6 4 00529-024 f i gure 25. p r ec isio n high cur r ent v o lt a g e s o ur ce
ad586 rev. g | page 13 of 16 outline dimensions compliant to jedec standards ms-001-ba 0.022 (0.56) 0.018 (0.46) 0.014 (0.36) seating plane 0.015 (0.38) min 0.210 (5.33) max pin 1 0.150 (3.81) 0.130 (3.30) 0.115 (2.92) 0.070 (1.78) 0.060 (1.52) 0.045 (1.14) 8 1 4 5 0.280 (7.11) 0.250 (6.35) 0.240 (6.10) 0.100 (2.54) bsc 0.400 (10.16) 0.365 (9.27) 0.355 (9.02) 0.060 (1.52) max 0.430 (10.92) max 0.014 (0.36) 0.010 (0.25) 0.008 (0.20) 0.325 (8.26) 0.310 (7.87) 0.300 (7.62) 0.195 (4.95) 0.130 (3.30) 0.115 (2.92) 0.015 (0.38) gauge plane 0.005 (0.13) min controlling dimensions are in inches; millimeter dimensions (in parentheses) are rounded-off inch equivalents for reference only and are not appropriate for use in design. corner leads may be configured as whole or half leads. f i g u re 26. 8-l e ad p l as t i c d u a l in-l ine p a ckag e [p dip ] (n-8) di me nsio ns sho w n i n i n che s a n d ( m il lim e t e r s) controlling dimensions are in inches; millimeter dimensions (in parentheses) are rounded-off inch equivalents for reference only and are not appropriate for use in design. 1 4 5 8 0.310 (7.87) 0.220 (5.59) 0.005 (0.13) min 0.055 (1.40) max 0.100 (2.54) bsc 15 0 0.320 (8.13) 0.290 (7.37) 0.015 (0.38) 0.008 (0.20) seating plane 0.200 (5.08) max 0.405 (10.29) max 0.150 (3.81) min 0.200 (5.08) 0.125 (3.18) 0.023 (0.58) 0.014 (0.36) 0.070 (1.78) 0.030 (0.76) 0.060 (1.52) 0.015 (0.38) pin 1 f i gure 27. 8-l e ad cer a m i c d u a l in-l in e p a ckage [ce r di p ] (q - 8 ) di me nsio ns sho w n i n i n che s a n d ( m il lim e t e r s) 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 . 1 9 68) 4. 80 ( 0 . 1 8 90) 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 28. 8-l e ad s t anda r d s m a l l o u t l ine p a ckag e [soic ] nar r o w b o dy (r -8) di me nsio ns sho w n i n mi ll im e t e r s a n d (i nc he s)
ad586 rev. g | page 14 of 16 ordering guide model initial error temperature coefficient temperature range package description package option quantity per reel ad586jn 20 mv 25 ppm/c 0c to 70c pdip n-8 ad586jnz 1 20 mv 25 ppm/c 0c to 70c pdip n-8 ad586jq 20 mv 25 ppm/c 0c to 70c cerdip q-8 ad586jr 20 mv 25 ppm/c 0c to 70c soic r-8 ad586jr-reel7 20 mv 25 ppm/c 0c to 70c soic r-8 1,000 ad586jrz 1 20 mv 25 ppm/c 0c to 70c soic r-8 ad586jrz-reel7 1 20 mv 25 ppm/c 0c to 70c soic r-8 1,000 ad586kn 5 mv 15 ppm/c 0c to 70c pdip n-8 ad586knz 1 5 mv 15 ppm/c 0c to 70c pdip n-8 ad586kq 5 mv 15 ppm/c 0c to 70c cerdip q-8 ad586kr 5 mv 15 ppm/c 0c to 70c soic r-8 ad586kr-reel 5 mv 15 ppm/c 0c to 70c soic r-8 2,500 ad586kr-reel7 5 mv 15 ppm/c 0c to 70c soic r-8 1,000 ad586krz 1 5 mv 15 ppm/c 0c to 70c soic r-8 ad586krz-reel 1 5 mv 15 ppm/c 0c to 70c soic r-8 2,500 ad586krz-reel7 1 5 mv 15 ppm/c 0c to 70c soic r-8 1,000 ad586ln 2.5 mv 5 ppm/c 0c to 70c pdip n-8 ad586lnz 1 2.5 mv 5 ppm/c 0c to 70c pdip n-8 ad586lr 2.5 mv 5 ppm/c 0c to 70c soic r-8 ad586lr-reel 2.5 mv 5 ppm/c 0c to 70c soic r-8 2,500 ad586lr-reel7 2.5 mv 5 ppm/c 0c to 70c soic r-8 1,000 ad586lrz 1 2.5 mv 5 ppm/c 0c to 70c soic r-8 ad586lrz-reel 1 2.5 mv 5 ppm/c 0c to 70c soic r-8 2,500 ad586lrz-reel7 1 2.5 mv 5 ppm/c 0c to 70c soic r-8 1,000 ad586mn 2 mv 2 ppm/c 0c to 70c pdip n-8 ad586mnz 1 2 mv 2 ppm/c 0c to 70c pdip n-8 ad586ar 5 mv 15 ppm/c ?40c to +85c soic r-8 ad586ar-reel 5 mv 15 ppm/c ?40c to +85c soic r-8 2,500 ad586arz 1 5 mv 15 ppm/c ?40c to +85c soic r-8 ad586arz-reel 1 5 mv 15 ppm/c ?40c to +85c soic r-8 2,500 ad586arz-reel7 1 5 mv 15 ppm/c ?40c to +85c soic r-8 1,000 ad586br 2.5 mv 5 ppm/c ?40c to +85c soic r-8 ad586br-reel7 2.5 mv 5 ppm/c ?40c to +85c soic r-8 1,000 ad586brz 1 2.5 mv 5 ppm/c ?40c to +85c soic r-8 ad586brz-reel 1 2.5 mv 5 ppm/c ?40c to +85c soic r-8 2,500 ad586brz-reel7 1 2.5 mv 5 ppm/c ?40c to +85c soic r-8 1,000 ad586lq 2.5 mv 5 ppm/c 0c to 70c cerdip q-8 ad586sq 10 mv 20 ppm/c ?55c to +125c cerdip q-8 ad586tq 2.5 mv 10 ppm/c ?55c to +125c cerdip q-8 ad586tq/883b 2 2.5 mv 10 ppm/c ?55c to +125c cerdip q-8 1 z = pb-free part. 2 for details on grade and packag e offerings screened in accordan ce with mil-std-883, refer to th e analog device s military produ cts databook or the current ad586/883b data sheet.
ad586 rev. g | page 15 of 16 notes
ad586 rev. g | page 16 of 16 notes ? 2005 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 . c00529C0 C 3/05(g)

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