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5 v precision voltage reference/temperature transducer ref02 rev. i in for m a t i o n f u r n is h e d b y an al o g d e vice s is b e li ev e d to b e accu ra te a n d reli abl e . h o w e v e r , n o r e sp o n sibi lit y is as s u m e d by an al o g d e vices fo r i t s u s e , n o r fo r a n y i n fr i n g e m e nts of pate n t s or ot h e r r i g h ts o f th ir d par t ies th a t m a y r e su l t f r o m i t s use . s p e c i f ica t io n s su bj e c t t o c h an g e w i th o u t n o ti c e . n o l i c e n s e i s g r an t e d b y imp l ic a t io n o r o t h e r w i s e un d e r an y pa t e n t o r pa t e n t r i g h t s o f a n a l o g d e v i c e s . t r adem ar ks and r e g i st e r ed tr ad ema r ks ar e the p r o p er t y of the i r r e sp e c t i v e o w ne rs . o n e t e chnology way, p . o. b o x 91 06, nor w ood , ma 020 62- 910 6, u. s . a. t e l: 781. 329. 4 700 w w w . analog .c om fax: 781. 461. 31 13 ? 2005 analog de vices, i n c. al l r i ght s r e ser v ed . fea t ures 5 v output: 0 .3% ma xi mum t e mper a t ur e v o ltage output: 1.96 mv/c a d jus t me n t r a nge: 3% m i nimu m ex c e llent t e mper a t ur e stabilit y: 8. 5 p p m/c ma ximum l o w nois e: 15 v p - p ma xi mum l o w s u pply cur r en t: 1.4 m a ma x i mu m w i de input v o ltage r a nge: 7 v t o 40 v high load- d ri vin g ca pabi lity: 10 ma no e x t e rnal c o mponents s h or t- cir c uit pr oof gener a l description the ref02 p r e c isio n v o l t a g e r e fer e n c e p r o v i d es a s t a b l e 5 v o u t p u t tha t can be ad j u s t e d o v er a 6% ra n g e wi th minimal ef fe c t o n t e m p e r a t ur e s t a b i l i t y . sin g le -s u p pl y op era t ion o v er an in p u t v o l t a g e ra n g e o f 7 v t o 40 v , lo w c u r r en t dra i n o f 1 ma, a nd exce l l en t t e m p era t ur e st a b i l i t y a r e achie v e d wi t h an im p r o v e d b a nd ga p desig n . l o w co st, lo w n o is e, a nd lo w p o w e r mak e t h e ref02 a n exce l l en t ch o i ce w h e n e v er a s t a b l e v o l t a g e re f e re nc e i s re q u i r e d . a p p l i c a t i o ns i n clu d e d a c s an d a d c s , p o r t a b le inst r u m e n t a t io n, and dig i t a l vol t m e te rs. the vers a t i l i t y o f t h e ref02 is enhan c e d b y i t s us e as a m o n o li t h ic t e m p era t ur e t r a n s d ucer . f o r ne w des i g n s, r e fer to t h e adr0 2. pin c o nfig ur a t ions 00375-f-001 1 2 3 4 5 6 7 8 nc ground (case) nc v in v out nc nc trim nc = no connect. do not connect anything on these pins. some of them are reserved for factory testing purposes. fig u re 1. 8-le ad t o -99 ( j -suf f i x ) 00375-f-002 ref02 top view (not to scale) nc 1 v in 2 temp 3 gnd 4 nc nc v out trim 8 7 6 5 nc = no connect. do not connect anything on these pins. some of them are reserved for factory testing purposes. fig u re 2. 8-le ad pd ip (p-s uf f i x ) , 8-le ad ce r d ip (z -suf f i x ) and 8-lead soic (s -suf f i x ) 00375-f-003 4 nc 5 v in 6 nc 7 temp 8 nc 18 nc 17 nc 16 nc 15 v out 14 nc 19 nc 20 nc 1 nc 2 nc 3 nc 13 nc 12 trim 11 nc 10 gn d 9 nc ref02 top view (not to scale) nc = no connect. do not connect anything on these pins. some of them are reserved for factory testing purposes. figure 3. 20-termi nal lcc (rc-suffix) ref02 option r9 r11 r12 p, s, j, z packages 18k ? 4.5k ? 15k ? output resistors 00375-f-004 c1 r3 r6 r4 r5 r1 q1 r2 r10 output ground r12* trim q19 r15 input q15 q18 q16 q13 q21 q17 r13 q20 q4 q3 q5 q6 q9 q7 q14 q12 q11 q8 r8 r7 r14 q10 q2 r11* r9* 4 5 6 1.23v 2 temp 3 *see output resistors 883c product 18k ? 2k ? 6.1k ? figure 4. simplified sche matic
ref02 rev. i | page 2 of 16 table of contents features .............................................................................................. 1 general description ......................................................................... 1 pin configurations ........................................................................... 1 revision history ............................................................................... 2 specifications..................................................................................... 3 electrical specifications............................................................... 3 absolute maximum ratings............................................................ 7 thermal resistance ...................................................................... 7 esd caution.................................................................................. 7 typical performance characteristics ..............................................8 output adjustment ........................................................................ 10 temperature monitoring........................................................... 11 reference stack with excellent line regulation .................... 11 precision current source .......................................................... 12 supply bypassing ........................................................................ 12 outline dimensions ....................................................................... 13 ordering guide .......................................................................... 15 revision history 12/05rev. h to rev. i changes to figure 14...................................................................... 10 changes to ordering guide .......................................................... 15 5/05rev. g to rev. h updated figure 4 .............................................................................. 1 changes to specifications ................................................................ 3 updated outline dimensions ....................................................... 13 changes to ordering guide .......................................................... 15 2/05rev. f to rev. g changes to specifications ................................................................ 3 change to outline dimensions .................................................... 13 7/04 rev. e to rev. f updated format..................................................................universal changes to simplified schematic ................................................... 1 changes to specifications ................................................................ 3 changes to specifications ................................................................ 4 changes to specifications ................................................................ 5 changes to specifications ................................................................ 6 changes to figure 18...................................................................... 10 changes to ordering guide .......................................................... 15 3/04rev. d to rev. e changes to features.......................................................................... 1 changes to specifications ................................................................ 2 changes to ordering guide ............................................................ 4 replaced tpcs 3 and 4 .................................................................... 5 added temperature monitoring section ...................................... 7 updated figure 5 ............................................................................. 7 deleted table i .................................................................................. 7 updated figure 6 ............................................................................. 7 10/03rev. c to rev. d updated tpcs.....................................................................universal changes to features .........................................................................1 changes to electrical specifications ..............................................2 change to absolute maximum ratings ........................................4 changes to ordering guide .............................................................4 deleted typical electrical characteristics table ........................... 4 deleted wafer test limits ................................................................4 deleted figure 1.................................................................................4 10/02rev. b to rev. c changes to features ..........................................................................1 changes to general description .....................................................1 changes to simplified schematic ....................................................1 changes to specifications.................................................................2 changes to absolute maximum ratings .......................................5 changes to package type ................................................................5 changes to ordering guide .............................................................5 updated to outline dimensions .................................................. 11
ref02 rev. i | page 3 of 16 specifications electrical specifications @ v in = 15 v, t a = 25c, unless otherwise noted. table 1. ref02a/ref02e ref02/ref02h parameter symbol conditions min typ max min typ max unit output voltage v o i l = 0 ma 4.985 5.000 5.015 4.975 5.000 5.025 v output adjustment range ?v trim r p = 10 k? 3 6 3 6 % output voltage noise 1 e n p-p 0.1 hz to 10 hz p, z, and s packages 15 15 v p-p j package 20 20 v p-p 883 parts 10 15 10 15 v p-p line regulation 2 v in = 8 v to 40 v 0.006 0.010 0.006 0.010 %/v load regulation 2 i l = 0 ma to 10 ma 0.005 0.010 0.006 0.010 %/ma turn-on settling time 1 t on to 0.1% of final value 5 5 s quiescent supply current i sy no load 1.0 1.4 1.0 1.4 ma load current i l 10 10 ma sink current 3 i s ?0.3 C0.5 C0.3 C0.5 ma short-circuit current i sc v o = 0 30 30 ma temperature voltage output 4 883c product v t 630 630 mv p, s, j, and z packages v t 550 550 mv 1 guaranteed by design. 2 line and load regulation specificatio ns include the effect of self-heating. 3 during sink current test, the device meets the output voltage specified. 4 limit current in or out of pin 3 to 50 na and capacitance on pin 3 to 30 pf.
ref02 r e v. i | pa g e 4 of 16 @ v in = 15 v , ? 55c t a +1 25c f o r ref02 a a nd ref02; 0 c t a 70c f o r ref02e a n d ref02h; i l = 0 ma, unles s o t her w ise note d. table 2. ref02a/ref02 e r e f 0 2 / r e f 0 2 h p a r a me t e r s y mbol c o nditions m i n t y p ma x m i n t y p ma x unit 0c t a 70c 0.02 0.06 0.07 0.17 % o utput v o ltage change with t e mpera tur e 1 , 2 ?v ot ?55c t a +1 25c 0.06 0.15 0.18 0.45 % o utput v o ltage t e mpera tur e c o efficien t 3 tc v o 3 8 . 5 1 0 2 5 p p m / c change in v o t e mpera tur e c o eff i cien t with o utput a d j u stmen t r p = 10 k? 0.7 0.7 ppm/% 0c t a 70c 0.007 0.012 0.007 0.012 %/v line r e gula tion v in = 8 v to 40 v 4 ?55c t a +1 25c 0 . 0 0 9 0 . 0 1 5 0 . 0 0 9 0 . 0 1 5 % / v 0c t a 70c 0.006 0.010 0.007 0.012 %/ma lo a d r e g u l a t i o n i l = 0 ma to 8 m a 4 ?55c t a +1 25c 0 . 0 0 7 0 . 0 1 2 0 . 0 0 9 0 . 0 1 5 % / m a tc v t 2 . 1 0 2 . 1 0 m v / c t e mpera tur e v o ltage o utput t e mpera tur e c o efficien t 5 883c p r oduc t p , s, j , and z p a ck ages 1 . 9 6 1 . 9 6 m v / c 1 v ot i s de fi n e d a s t h e a b so lut e di ff ere n ce bet w een t h e m a xi m u m out p ut voltage and the minimum output volt age over t h e specifi e d t e m perature range expresse d as a perc entage of 5 v. 100 v 5 ? = ? min max ot v v v 2 ? v ot s p ecif ication appl ies trimme d to 5,000 v or untrimmed . 3 tcv o i s d e fi n e d a s ? v ot di vi de d by t h e t e m p era t ure ra n g e . c 70 ? = ot o v tcv 4 line and l o ad regul ation s p ecif icatio n s i n clu d e t h e ef fect of se lf- h e a t i n g. 5 limit current in or out of pin 3 to 50 na and capacitance on pin 3 to 30 pf.
ref02 rev. i | page 5 of 16 @ v in = 15 v, t a = 25c, unless otherwise noted. table 3. ref02c ref02d parameter symbol conditions min typ max min typ max unit output voltage v o i l = 0 ma 4.950 5.000 5.050 4.900 5.000 5.100 v output adjustment range ?v trim r p = 10 k? 2.7 6.0 2.0 6.0 % output voltage noise 1 e n p-p 0.1 hz to 10 hz p, z, and s packages 15 v p-p j package 20 15 v p-p 883 parts 12 18 20 v p-p line regulation 2 v in = 8 v to 40 v 0.009 0.015 0.010 0.04 %/v i l = 0 ma to 8 ma 0.006 0.015 %/ma load regulation 2 i l = 0 ma to 4 ma 0.015 0.04 %/ma turn-on settling time 1 t on to 0.1% of final value 5 5 s quiescent supply current i sy no load 1.0 1.6 1.0 2.0 ma load current i l 8 8 ma sink current 3 i s ?0.3 ?0.5 ?0.3 ?0.5 ma short-circuit current i sc v o = 0 30 30 ma temperature voltage output 4 883c product v t 630 630 mv p, s, j, and z packages v t 550 550 mv 1 guaranteed by design. 2 line and load regulation specifications include the effect of self-heating. 3 during sink current test, the device meets the output voltage specified. 4 limit current in or out of pin 3 to 50 na and capacitance on pin 3 to 30 pf.
ref02 r e v. i | pa g e 6 of 16 @ v in = 15 v , i l = 0 ma, 0c t a 70c f o r ref02cj , ref02cz, an d ref02d p ; a nd ?40c t a +85c f o r ref02cp a nd ref02cs, u n l e ss ot he r w i s e no te d. table 4. r e f 0 2 c r e f 0 2 d p a r a me t e r s y mbol c o nditions m i n t y p ma x m i n t y p ma x unit o utput v o ltage change with t e mpera tur e 1 , 2 ?v ot 0 . 1 4 0 . 4 5 0 . 4 9 1 . 7 % o utput v o ltage t e mpera tur e c o efficien t 3 tc v o 2 0 6 5 7 0 2 5 0 p p m / c change in v o t e mpera tur e c o eff i cien t with o utput a d j u stmen t r p = 10 k? 0.7 0.7 ppm/% line r e gula tion 4 v in = 8 v to 40 v 0.011 0.018 0.012 0.05 %/v lo a d r e g u l a t i o n 4 i l = 0 ma to 5 m a 0.008 0.018 0.016 0.05 %/ma t e mpera tur e v o ltage o u t p u t t e mpera tur e c o efficien t 5 tc v t 883c p r oduc t 2 . 1 0 2 . 1 0 m v / c p , s, j , and z p a ck ages 1.96 1.96 mv/c 1 v ot i s de fi n e d a s t h e a b so lut e di ff ere n ce bet w een t h e m a xi m u m out p ut voltage and the minimum output volt age over t h e specifi e d t e m perature range expresse d as a perc entage of 5 v. 100 v 5 ? = ? min max ot v v v 2 ? v ot s p ecif ication appl ies trimme d to 5,000 v or untrimmed . 3 tcv o i s d e fi n e d a s v ot di vi de d by t h e t e m p era t ure ra n g e . c 70 ? = ot o v tcv 4 line and l o ad regul ation s p ecif ications incl ud e the eff e ct of s e l f -heating. 5 limit current in or out of pin 3 to 50 na and capacitance on pin 3 to 30 pf.
ref02 r e v. i | pa g e 7 of 16 absolute maximum ra tings table 5. p a r a me t e r r a ting 1 i n put v o ltage 40 v o utput shor t - ci r c uit dur a tion to gr ound or v in in d e f i n i t e stor age t e mpera tur e r a nge j , rc, and z p a ck ages C65c to +150c p p a ck age C65c to +125c o p era t ing t e mp er a tur e r a nge ref02a , ref02j , ref02rc C55c to +125c ref02c j , ref02 c z 0c to 70c ref02cp , ref0 2 c s, ref02e , and ref02h C40c to +85c l e ad t e mper a tur e r a nge (s older i ng 10 sec) 300c 1 abso lut e m a x i m u m ra t i n g s a pply t o bot h d i ce pa cka g e d pa rt s, un le ss o the rwis e no ted . stresses above those listed u n d e r abso lute m a x i mu m ra ti ngs may caus e per m a n e n t da mag e to the dev i ce. this i s a stres s ratin g on ly; functional operatio n of th e d e vice at these or an y oth e r con d itions above th ose in dica te d i n th e o p er atio nal section of t h is s p ecifica t ion is n o t impl ied. exp o sure to absolut e max i mu m rat i n g co ndi tio n s fo r ex ten d e d perio d s m a y affect dev i ce reli ab ilit y . thermal resistance table 6. p a ck age t y pe ja 1 jc unit t o -99 ( j ) 170 24 c/w 8-l e ad cerdip (z) 162 26 c/w 8-l e ad pdip (p) 110 50 c/w 20- t e r minal c e ramic l c c (rc ) 120 40 c/w 8-l e ad soic (s) 160 44 c/w 1 ja i s speci f i e d fo r worst - c a s e m o un t i n g con d i t i o n s ; devi ce i n s o cket fo r to, cer d i p, pd i p , a n d l c c pa cka g es; a n d d e vi ce s o l d er ed t o p r i n t e d ci rcui t boa r d for soi c pa c k a g e. esd caution esd (elec t r o sta t ic dischar g e) sensitiv e device . elec tr os t a tic char ges as high as 4000 v r e adily ac cumula te on the human bod y and t e st eq uipmen t and can dischar g e wi thout det e c t ion. although this pr oduc t f e a tur es pr o p r i etar y esd pr otec ti on ci r c uitr y , per m anen t dama ge may oc cur on dev i c e s subjec ted to high energy elec tr o s ta tic di scharge s . theref or e , p r oper esd pr ec autions a r e r e com m ended to av oid per f or man c e degrada t ion or l o ss of func tiona l it y .
ref02 r e v. i | pa g e 8 of 16 typical perf orm ance cha r acte ristics 10k 1k 100 10 10 100 1k 10k 100k 1m 00375-f - 005 frequency (hz) outp ut nois e ( v p-p) v in = 15v t a = 25 c figure 5. output w i deb a nd n o ise vs. b a ndw i dth (0 .1 h z to f r equency indi ca ted) 76 0 16 26 36 46 56 66 10 100 1k 10k 100k 1m 00375-f - 006 frequency (hz) line regulation (db) line regulation (%/v) v in = 15v t a = 25 c 0.0031 0.0100 0.0310 0.1000 0.3100 1.0000 3.1000 10.0000 fi gure 6 . li n e regu l a tio n vs. f r equ e ncy 0.016 0.014 0.012 0.010 0.008 0.006 0.004 0.002 0 ?10 0 10 20 30 40 50 00375-f - 007 time (s) p e rce nt change in outp ut v o ltage (%) v in = 15v 25 c device immersed in 75 c oil bath figure 7. output c h ange due to t h er mal sh ock 20 19 18 17 16 15 14 10 15 20 25 30 35 40 00375-f - 008 input voltage (v) max i mum load curre nt (ma) t a = 25 c fig u re 8. m a x i mu m l oad cu rr ent v s . input v o lt ag e 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 ? 6 0 ? 40 ?20 0 20 40 60 80 100 120 140 00375-f - 009 temperature ( c) load re g ? t/load re g (2 5 c) v in = 15v figure 9. no r m a l i z ed lo ad regu lat i o n (?i l = 1 0 ma ) v s . temp er at ure 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 ? 6 0 ? 40 ?20 0 20 40 60 80 100 120 140 00375-f - 010 temperature ( c) line re g?t/line re g (2 5 c) figure 1 0 . n o r m al i z ed li ne r e gu l a tio n v s . te mper atur e
ref02 r e v. i | pa g e 9 of 16 0 0.03 0.02 0.01 0 5 1 0 1 52 02 5 3 00375-f - 011 input voltage (v) line regulation (%/v) t a = 25 c fi gure 11 . l i ne r e gul a t i o n vs. input vol t a g e 1.3 1.2 1.1 1.0 0.9 0.8 0.7 ? 6 0 ? 40 ?20 0 20 40 60 80 100 120 140 00375-f - 026 temperature ( c) quie s c e n t curre nt (ma) v in = 15v figure 1 2 . qu iesc e n t curr ent v s . te m p eratu r e 30 25 20 15 10 5 0 ? 6 0 ? 40 ?20 0 20 40 60 80 100 120 140 00375-f - 012 temperature ( c) max i mum load curre nt (ma) v in = 15v fig u re 1 3 . m a x i mu m l oad cu rr ent v s . temp er at ure
ref02 rev. i | pag e 10 of 1 6 output a d justme nt th e r e f 0 2 t r i m te r m i n a l c a n b e u s e d to a d j u st t h e output v o l t a g e o v er a 5 v 300 mv ran g e . this f e a t ure lets t h e sys t em desig n er t r im sy s t em er r o rs b y s e t t in g t h e r e fer e n c e t o a v o l t a g e o t h e r than 5 v . the o u t p u t als o ca n be s e t t o ex ac tl y 5.00 v o r t o 5.12 v f o r b i na r y a p p l ica t io n s . a d j u s t m e n t o f t h e o u t p ut do es n o t sig n if ican t l y a f fe c t t h e t e m p era t ur e p e r f o r ma n c e o f t h e de vice. th e te m p era t ur e co ef f i cien t c h a n g e is a p p r o x ima t e l y 0.7 p p m/c f o r 100 mv o f output a d j u st m e n t . u1 ref02 v in v out temp trim gnd v in v o pot 10k ? r2 1k ? r1 470k ? 00375-027 figure 14. output adjustment circu i t 00375-f - 014 v in gnd ?18v +18v 4 2 ref02 figure 1 5 . bu rn-in circu i t 00375-f - 015 v in gnd ref02 v o trim temp 0.1 f 5k ? op02 10k ? 10k ? +15v ?15v +15v +5v ?5v 4 5 3 6 2 figure 1 6 . 5 v r e feren ce 00375-f - 016 ref02 r1 5.6k ? r2 5.6k ? 2 +5v 4 6 2 op02 ? + 3 4 6 7 ?9 v v ref v o + +2.5v +v o ?2.5v v o + = (v ref ), r1 r1 + r2 v o ? = (v ref ) r2 r1 + r2 fi gure 17 . 2 .5 v r e ference
ref02 rev. i | pag e 11 of 1 6 temperature monitoring the ref02 p r o v ides a temp ou t p u t (p in 3) tha t va r i es l i n e a r ly w i t h te m p e r a t u r e. th i s out p ut c a n b e u s e d to mon i tor t h e t e m p era t ur e cha n g e i n t h e sys t em. the v o l t a g e a t v te mp is a p p r o x ima t e l y 550 mv a t 25c, a nd t h e t e m p era t ur e co ef f i cien t is a p p r o x ima t e l y 1.96 mv/c (s ee f i gur e 18). 850 800 750 700 650 600 550 500 450 400 ?50 ? 25 0 2 5 5 0 7 5 100 125 00375-f - 017 temperature ( c) temp pin output (mv) ? v temp / ? t = 1.96mv/ c v in = 9v sample size = 6 j, s, and p packages z package and 833 product ? v temp / ? t = 2.1mv/ c fig u re 1 8 . v o lt ag e at te m p pi n v s . te mpe r at ur e a v o l t a g e chan ge o f 39.2 mv a t t h e temp pin c o r r es p o n d s t o a 20c c h a n g e in t e m p era t ur e . the temp f u nc t i o n is p r o v ide d as a con v enie n c e r a t h er t h an a p r e c is e fe a t ur e . since t h e v o l t a g e a t t h e temp n o de is acquir e d f r o m th e ba n d ga p co r e , curr e n t p u lli n g f r o m thi s p i n h a s a sig n if ican t ef fe c t o n v ou t . c a r e m u s t be ta k e n to b u f f er th e temp o u t p u t wi th a s u i t a b l e lo w b i as c u r r en t op a m p , s u ch as th e ad8601, ad820, o r o p 1177. u s in g an y o f th es e thr e e o p a m ps r e s u l t s in l e s s tha n a 100 v c h a n g e in v ou t (see f i gur e 19). w i t h o u t b u f f er in g, ev en t e n s o f micr o a m p s dra w n f r o m t h e temp p i n can c a us e v ou t t o fa l l o u t o f sp e c if ica t io n. 00375-f - 018 temp trim gnd u1 op1177 v+ v? 15v u2 v o v out v in v temp 1.9mv/ c v in ref02 figure 1 9 . t e mp er a t ure m o nit o ri ng 00375-f - 019 gnd ref02 4 6 2 temp 3 cmp02 2 3 8 4 r6 1 7 r7 27k ? r1 (9.2k ? ) r3 (1.3k ? ) r2 1.5k ? r4 2.7k ? r5 2.2k ? v+ v? ? + heating element v+ (12v to 32v) v in v o (see note 1) notes 1. ref02 should be thermally connected to substance being heated. 2. numbers in parentheses are for a setpoint temperature of 60 c. 3. r3 = r1 || r2 || r6 figure 2 0 . t e mp er a t ure c o ntro ll er ref e rence stack with excellent line regulation t w o ref01s and o n e ref02 can b e s t ac ked t o yie l d 5.00 v , 15.00 v , an d 25. 00 v o u t p u t s. an addi t i o n al adva n t a g e is n e a r - p e r f ec t line r e g u la tion o f the 5. 0 v a nd 15.0 v o u t p u t . a 27 v to 5 5 v i n put ch an ge pro d u c e s an out p ut ch ange t h a t i s l e ss t h a n t h e n o i s e v o l t a g e o f t h e de vices . a lo ad b y p a s s resis t o r (r b ) prov i d e s a p a t h f o r t h e s u pp l y c u r r e n t ( i sy ) o f th e 15.00 v re g u l a tor . i n g e n e ral , an y n u m b er o f ref01s a nd ref02s ca n be stac k e d this wa y . f o r exa m p l e , 10 de vic e s yie l d 10 o u t p u t s in 5 v o r 1 0 v s t eps. the lin e vol t a g e can c h a n g e f r o m 100 v t o 130 v . ca r e m u s t be ta k e n , h o w e v e r , t o e n sur e th a t t h e t o ta l loa d curr e n t s do n o t exce e d t h e maxim u m us a b le c u r r en t ( t yp ical l y 21 ma). 00375-f-020 gnd ref02 gnd ref02 gnd ref02 trim trim 10k ? 10k ? r b 6.8k ? 10k ? 2 6 5 4 2 6 5 4 2 6 5 4 15v 10v 5v trim 27v to 55v v in v o v in v o v in v o figure 2 1 . r e fe ren c e sta c k
ref02 rev. i | pag e 12 of 1 6 precisio n current source a cu rr e n t so u r ce wi th 3 5 v o u t p u t c o m p li a n ce a n d e x c e ll e n t o u t p ut i m p e dance ca n b e ob t a i n e d usin g t h is c i r c ui t. ref 02 k e eps t h e li n e vol t a g e an d p o w e r dis s i p a t ion con s t a n t i n t h e de vice ; t h e o n l y im p o r t a n t er r o r co n s idera t ion a t r o o m t e m p era t ur e is t h e nega t i ve s u ppl y r e je c t io n o f t h e o p am p . the typ i c a l 3 v/v ps rr o f t h e o p 02e cr ea t e s a 20 p p m c h a n g e (3 v/v 35 v / 5 v) in o u t p u t c u r r en t o v er a 2 5 v ra n g e . f o r e x a m p l e , a 5 ma cu rr e n t so u r ce c a n be b u il t (r = 1 k ? ) wi th 350 m? o u t p u t im p e dan c e . 00375-f - 021 gnd ref02 gnd ref02 op02e c c r 2 2 2 6 6 7 3 4 6 4 4 +50v ?5v i o = 5v r r o = 35v 20 10 ?6 5ma r (trim for calibration) v in v o v in v o v o = 0v to 25v 1 2 figure 2 2 . pr ecis i o n curr ent so urc e 00375-f - 022 v in gnd trim v o ref02 2 6 5 4 r temp 3 15v i out i out = + 5v r + 1ma voltage compliance: ?25v to +8v figure 2 3 . cu rre nt sour ce supply b y passing f o r b e st re su l t s , i t is re c o m m e nde d t h a t t h e p o we r su p p ly p i n b e b y p a s s e d wi t h a 0.1 f dis c ceramic ca p a c i t o r . 00375-f - 023 v in gnd trim v o ref02 2 6 5 4 r temp 3 ?15v i out i out = + 5v r + 1ma voltage compliance: ?9v to +25v figure 2 4 . cu rre nt sink 00375- f - 024 ref02 dac08 op02 0.1 f +15v 4 6 5 5k ? 5k ? 5k ? 5k ? +15v ?15v ?15v +15v e o lsb msb 2 b1 b2 b3 b4 b5 b6 b7 b8 v+ v? c c v lc 2 4 v in v o gnd l o l o figure 2 5 . da c r e feren ce 00375-f - 025 gnd ref02hj 2 6 4 a1 ?7.5v +7.5v a2 ? 7.5v 1/2 op04ck 1/2 op04ck ?7.5v ( 10%) +7.5v ( 10%) r3 1k ? r1 20k ? r2 13.3k ? v o (?) = ? 3v v o (+) = +3v r4 2k ? v in v o figure 2 6 . 3 v r e feren ce
ref02 rev. i | pag e 13 of 1 6 outline dimensions 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. 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) 14 5 8 figure 2 7 . 8-le ad c e ra m i c dua l in-l in e p a ck age [ce r dip ] z-suffi x (q-8) dim e nsio ns sho w n i n i n che s a n d ( m il lim e t er s) 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. fig u re 2 8 . 8-le ad p l as t i c du al in-lin e pa ck ag e [ p di p] nar r ow b o dy p - suffi x (n-8) dim e nsio ns sho w n i n i n che s a n d ( m il lim e t er 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. compliant to jedec standards mo-002-ak 0.2500 (6.35) min 0.5000 (12.70) min 0.1850 (4.70) 0.1650 (4.19) reference plane 0.0500 (1.27) max 0.0190 (0.48) 0.0160 (0.41) 0.0210 (0.53) 0.0160 (0.41) 0.0400 (1.02) 0.0100 (0.25) 0.0400 (1.02) max 0.0340 (0.86) 0.0280 (0.71) 0.0450 (1.14) 0.0270 (0.69) 0.1600 (4.06) 0.1400 (3.56) 0.1000 (2.54) bsc 6 2 8 7 5 4 3 1 0.2000 (5.08) bsc 0.1000 (2.54) bsc 0. 3700 (9. 40) 0. 3350 (8. 51) 0. 3350 (8. 51) 0. 3050 (7. 75) 45 bsc base & seating plane fig u re 2 9 . 8-le ad m e t a l he ade r pa ck ag e [to- 99] j - suffi x (h-08) dim e nsio ns sho w n i n i n che s a n d ( m il lim e t er 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 20 4 9 8 13 19 14 3 18 bottom view 0.028 (0.71) 0.022 (0.56) 45 typ 0.015 (0.38) min 0.055 (1.40) 0.045 (1.14) 0.050 (1.27) bsc 0.075 (1.91) ref 0.011 (0.28) 0.007 (0.18) r typ 0.095 (2.41) 0.075 (1.90) 0.100 (2.54) ref 0.200 (5.08) ref 0.150 (3.81) bsc 0.075 (1.91) ref 0.358 (9.09) 0.342 (8.69) sq 0.358 (9.09) max sq 0.100 (2.54) 0.064 (1.63) 0.088 (2.24) 0.054 (1.37) fi gur e 30 . 2 0 - te rmin a l ce ram i c leadless chip carrier [lcc] rc-suffi x (e-20a) dim e nsio ns sho w n i n i n che s a n d ( m il lim e t er s)
ref02 rev. i | pag e 14 of 1 6 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 . 1 968) 4 . 80 ( 0 . 1 890) 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-012-aa fig u re 3 1 . 8-le ad s t anda rd s m a l l out l ine p a ck ag e [soic] nar r ow b o dy s-suffix (r-8) dim e nsio ns sho w n i n mi ll im e t er s and (i nc he s)
ref02 rev. i | page 15 of 16 ordering guide model t a = 25c ? v os max (mv) temperature range package description package option ref02aj/883c 1 15 ?55c to +125c 8-lead to-99 j-suffix (h-08) ref02az 15 ?55c to +125c 8-lead cerdip z-suffix (q-8) ref02az/883c 1 15 ?55c to +125c 8-lead cerdip z-suffix (q-8) ref02cj 50 0c to 70c 8-lead to-99 j-suffix (h-08) ref02cp 50 ? 40c to +85c 8-lead pdip p-suffix (n-8) ref02cpz 2 50 ? 40c to +85c 8-lead pdip p-suffix (n-8) ref02cs 50 ? 40c to +85c 8-lead soic s-suffix (r-8) ref02cs-reel 50 ? 40c to +85c 8-lead soic s-suffix (r-8) ref02cs-reel7 50 ? 40c to +85c 8-lead soic s-suffix (r-8) ref02csz 2 50 ? 40c to +85c 8-lead soic s-suffix (r-8) ref02csz-reel 2 50 ? 40c to +85c 8-lead soic s-suffix (r-8) ref02csz-reel7 2 50 ? 40c to +85c 8-lead soic s-suffix (r-8) ref02cz 50 0c to 70c 8-lead cerdip z-suffix (q-8) ref02dp 100 0c to 70c 8-lead pdip p-suffix (n-8) ref02dpz 2 100 0c to 70c 8-lead pdip p-suffix (n-8) ref02ej 15 ? 40c to +85c 8-lead to-99 j-suffix (h-08) ref02ez 15 ? 40c to +85c 8-lead cerdip z-suffix (q-8) ref02j 25 ?55c to +125c 8-lead to-99 j-suffix (h-08) ref02hj 25 ? 40c to +85c 8-lead to-99 j-suffix (h-08) ref02hz 25 ? 40c to +85c 8-lead cerdip z-suffix (q-8) ref02hp 25 ? 40c to +85c 8-lead pdip p-suffix (n-8) ref02hpz 2 25 ? 40c to +85c 8-lead pdip p-suffix (n-8) ref02hs 25 ? 40c to +85c 8-lead soic s-suffix (r-8) ref02hsz 2 25 ? 40c to +85c 8-lead soic s-suffix (r-8) ref02rc/883 1 25 ?55c to +125c 20-lead lcc rc-suffix (e-20a) ref02z 25 ?55c to +125c 8-lead cerdip z-suffix (q-8) 1 consult sales for 883 data sheet. 2 z = pb-free part.
ref02 rev. i | pag e 16 of 1 6 notes ? 2005 analo g de v i ces, inc. all rights reserve d . tr adem ar ks and registered tra d emar ks are the prop erty of their respective o w ners . c00375-0-12/05(i)

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