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1.65 v to 3.6 v, single-channel level translator in sot-66 package adg3231 rev. a in fo rmation furn ished by an alog d e v i c e s is believed to be accurate and reliable. how e ver, n o resp on sibili ty is assume d b y a n alog de vices fo r its use, nor for an y i n fri n geme nt s of p a t e nt s or ot h e r ri ght s o f th ird parties th at may result fro m its use . s p ecificatio n s subj ec t to ch an g e witho u t n o tice. no licen s e is g r an te d by implicati o n or ot herwi s e u n der a n y p a t e nt or p a t e nt ri ghts of analog de v i ces. trademarks an d registered tra d ema r ks are the prop erty o f their respective ow ners. one technolog y way, p.o . box 9106, norwood, ma 02062-9106, u.s.a. t e l: 781. 329. 4 700 www.analog.com fax: 781. 326. 87 03 ? 2004 analog de vices, i n c. al l r i ght s r e ser v ed . features operates from 1.65 v to 3.6 v supply rail s unidirectional signal path up/down level translation ultracompact 6-lead sot-66 a n d sot-23 pac k ages output short-circuit protection lvttl/cmos-c o mpatible inpu ts applic ati o ns level trans l ati o n in: pdas handsets mp3 players gener a l description the ad g3231 1 is a sin g le -c ha nne l le ve l tra n sl a t or desig n e d o n a s u b m icr o n p r o c es s t h a t is g u a r an t e e d t o o p era t e o v er t h e 1.65 v t o 3.6 v s u p p l y ra n g e . th e de vice ma y be us e d in a p p l ic a t io n s r e q u ir in g co m m uni c a t io n b e t w e e n dig i t a l d e vices op era t i n g f r o m m u l t i p le su p p l y v o l t a g es. the log i c le v e l s o n e a c h side o f t h e de vi ce a r e s e t b y t h e tw o sup p l y v o l t a g es, v cc 1 fo r a and v cc 2 fo r y . th e sig n a l p a t h is u n id ir e c t i o n a l , me a n in g d a t a ma y f l o w on ly f r om a to y . the ad g3231 ca n o p era t e wi t h an y co m b ina t io n o f v cc 1 a nd v cc 2 s u p p l y v o l t a g es wi thin th e 1.65 v t o 3. 6 v ra n g e , al lo win g t h e p a r t t o p e r f o r m ei th er u p (v cc 1 < v cc 2 ) o r do wn (v cc 1 > v cc 2 ) le v e l tra n sla t io n. the o u t p u t sta g e is p r o t e c t e d a g a i ns t c u r r en t o v erlo ad , w h ich ma y o c c u r w h e n t h e y pin is accide n t a l ly sh or te d to t h e v cc 2 or g n d r a i l s . the ad g3231 is a v a i la b l e in u l t r aco m p a c t p a c k a g es, t h e so t - 66 (1.65 mm 1.66 mm 0.57 mm) an d t h e s o t - 23 (2.8 mm 2.9 mm 1.3 mm), makin g t h e p a r t idea l f o r a p plic a t io n s w h er e sp ace is cr i t i c a l . 1 p a te nt pe nd ing. func ti on a l bl ock di a g r a m a gn d y v cc1 v cc2 03298-001 fi g u r e 1 . produc t highlight s 1. u p /do w n le ve l t r a n s l a t io n. 2 . g u ar a n te e d to op e r a t e w i t h a n y supply c o mb i n a t i o n w i t h i n th e 1.65 v t o 3. 6 v ra n g e . 3. o u t p u t sh o r t-cir c ui t p r o t ec tion. 4. a v a i lab l e in u l tr aco m p a c t sot - 66 a nd sot - 23 p a c k a g es.
adg3231 rev. a | page 2 of 12 table of contents specifications..................................................................................... 3 absolute maximum ratings............................................................ 4 esd caution.................................................................................. 4 pin configurations and function descriptions ........................... 5 typical performance characteristics ..............................................6 theory of operation .........................................................................9 outline dimensions ....................................................................... 10 ordering guide .......................................................................... 10 revision history 12/04rev. 0 to rev. a updated format..................................................................universal added sot-66 package .....................................................universal change to data sheet title.............................................................. 1 changes to features, applications, general description and product highlights sections .................................................... 1 added patent information .............................................................. 1 changes to figure 1.......................................................................... 1 changes to table 1............................................................................ 3 changes to figure 2 and figure 3................................................... 3 deleted tpc 1 to tpc 6 .................................................................. 6 changes to figure 13 through figure 20 ....................................... 7 changes to theory of operation section...................................... 9 updated outline dimensions ....................................................... 10 changes to ordering guide .......................................................... 10 5/03revision 0: initial version
adg3231 r e v. a | pa ge 3 o f 1 2 specifications v cc 1 = v cc 2 = 1. 65 v t o 3.6 v , g n d = 0 v . al l sp ecif ic a t io n s t min to t max , unless o t h e r w is e n o te d . t e m p era t ure ra n g e fo r t h e b v e rsio n is ?40c t o +85c. table 1. p a r a m e t e r s y m b o l c o n d i t i o n s m i n typ 1 m a x u n i t logic inputs/ o utputs input high volt age 2 v ih v cc1 = 3.0 v to 3. 6 v 1.35 v v ih v cc1 = 2.3 v to 2. 7 v 1.35 v v ih v cc1 = 1.65 v to 1.95 v 0.65 v cc1 v input low voltage 2 v il v cc1 = 3.0 v to 3. 6 v 0 . 8 v v il v cc1 = 2.3 v to 2. 7 v 0 . 7 v v il v cc1 = 1.65 v to 1.95 v 0.35 v cc1 v output high vol t age v oh i oh = C100 a, v cc2 = 3.0 v to 3.6 v 2.4 v v cc2 = 2.3 v to 2. 7 v 2.0 v v cc2 = 1.65 v to 1.95 v v cc2 ? 0.45 v i oh = ?4 ma, v cc2 = 2.3 v to 2.7 v 2.0 v v cc2 = 1.65 v to 1.95 v v cc2 ? 0.45 v i oh = ?8 ma, v cc2 = 3.0 v to 3.6 v 2.4 v output low voltage v ol i oh = 100 a, v cc 2 = 3.0 v to 3.6 v 0 . 4 v v cc2 = 2.3 v to 2 . 7 v 0 . 4 v v cc2 = 1.65 v to 1.95 v 0 . 4 5 v i oh = 4 ma, v cc2 = 2.3 v to 2.7 v 0 . 4 v v cc2 = 1.65 v to 1.95 v 0 . 4 5 v i oh = 8 ma, v cc2 = 3.0 v to 3.6 v 0 . 4 v switchin g ch aracte ristics 2 propagation de l a y, t pd a to y t phl , t pl h 3.3 v 0.3 v, c l = 30 pf, figure 2 4 6 . 5 n s propagation de l a y, t pd a to y t phl , t pl h 2.5 v 0.2 v, c l = 30 pf, figure 2 4 . 5 6 . 5 n s propagation de l a y, t pd a to y t phl , t pl h 1.8 v 0.15 v, c l = 30 pf, figure 2 6 . 5 1 0 . 2 5 n s input leakage current i i 0 v in 3.6 v 1 a output leakage current i o 0 v in 3.6 v 1 a power requir emen ts power supply voltages v cc1 1 . 6 5 3 . 6 v v cc2 1 . 6 5 3 . 6 v quiescent powe r supply current i cc1 digital inputs = 0 v or v cc1 2 a i cc2 digital inputs = 0 v or v cc2 2 a 1 a l l t y pi ca l va lue s a r e a t v cc1 = v cc2 , t a = 25 c , unle ss o the rwis e s t ate d . 2 guarante e d by d e sign, no t s u bje c t to pro d uctio n te s t . i n pu t 0v v cc2 0v v cc1 50% 50% t plh t phl output 03298-020 f i g u re 2. ti ming d i ag r a m
adg3231 r e v. a | pa ge 4 o f 1 2 absolute maximum ratings t a = 2 5 c , u n l e ss ot he r w i s e no t e d. table 2. p a r a m e t e r r a t i n g v cc to gnd ? 0.3 v to +4.6 v input voltage for a ? 0.3 v to v cc1 + 0.3 v dc output c u rr ent 25 ma operating tem p erature range indus t rial (b vers ion) ? 40c to +85c storage temperature range ? 65c to +150c junction tempe r ature 150c 6-lead sot-23 ja thermal impedance 229c/w 6-lead sot-66 ja thermal impedance 191c/w (4-layer board) lead temperature, soldering ( 10 second s) 300c ir reflow, peak temperature ( < 20 second s) 235c s t r e s s es a b o v e t h os e list e d u nde r a b s o l u te m a xim u m r a t i n g s ma y ca us e p e r m a n e n t dama ge to t h e de vi ce. t h is is a st r e ss r a t i ng on ly ; f u n c t i on a l op e r at i o n of t h e d e v i c e a t t h e s e or an y o t h e r con d i t ions a b o v e t h os e list e d i n t h e op era t io nal s e c t ion s o f t h is sp e c if ic a t io n is n o t i m pli e d . e x p o sur e t o a b s o l u t e max i m u m r a t i ng co ndi t i on s fo r ex tende d p e r i o d s ma y a f fe c t d e vi ce r e li a b ili t y . onl y o n e a b s o l u t e m a xim u m ra ti n g ma y b e ap p l i e d at a n y o n e t i m e esd caution esd (electrostatic discharge) sensitive device. ele c tros tatic charg e s as high as 4000 v readily accumulate on the human body and test eq uipment and can discharge wi thout detection. although this product features proprietary esd protection circu i try, permanent dama ge may occur on devices subjected to high energy electrostatic discharges. theref ore, prop er esd precautions a r e recommended to avoid perform a nce degradation or l o ss of functiona l ity.
adg3231 r e v. a | pa ge 5 o f 1 2 pin conf igurations and f u ncti on descriptions nc = no connect v cc1 1 nc 2 a 3 v cc2 6 y 5 gnd 4 adg3231 top view (not to scale) 03298-002 pin 1 indicator f i g u re 3. so t - 23 03298-003 v cc2 1 y 2 gnd 3 v cc1 6 a 5 gnd 4 adg3231 top view (not to scale) pin 1 indicator f i g u re 4. so t - 66 ta ble 3. pi n f u nct i on d e s c ri pt i o ns t pin o. t23 pin o. mnemonic description 6 1 v cc1 supply voltage 1. can be any supply voltage from 1.65 v to 3.6 v. 2 nc not internally connected. 5 3 a digital input ref e rred to v cc1 . 3, 4 4 gnd device ground pin. 2 5 y digital output r e ferred to v cc2 . 1 6 v cc2 supply voltage 2. can be any supply voltage from 1.65 v to 3.6 v.
adg3231 r e v. a | pa ge 6 o f 1 2 typical perf orm ance cha r acte ristics t a = 25c v cc2 = 2.5v v cc2 = 3.3v v cc1 (v) i cc1 (na) 5.0 4.5 4.0 2.5 3.0 3.5 1.5 2.0 0 1.0 0.5 1.5 2.0 2.5 3.0 3.5 4.0 03298-004 v cc2 = 1.8v fi g u r e 5 . i cc 1 vs . v cc 1 t a = 25c v cc1 = 3.3v v cc1 = 2.5v v cc2 (v) i cc2 (na) 5.0 4.5 4.0 2.5 3.0 3.5 1.5 2.0 0 1.0 0.5 1.5 2.0 2.5 3.0 3.5 4.0 03298-005 v cc1 = 1.8v fi g u r e 6 . i cc 2 vs . v cc 2 v cc1 = 3.3v v cc1 = 2.5v v cc1 = 1.8v v cc2 = 3.3v temperature (c) i cc1 (na) 30 25 15 20 10 0 5 01 0 2 0 3 0 5 0 40 60 70 80 03298-006 fi g u r e 7 . i cc 1 vs . t e m p er a t ur e v cc2 = 3.3v v cc2 = 2.5v v cc2 = 1.8v v cc1 = 3.3v temperature (c) i cc2 (na) 30 25 15 20 10 ?5 0 5 01 0 2 0 3 0 5 0 40 60 70 80 03298-007 fi g u r e 8 . i cc 2 vs . t e m p er a t ur e v cc1 = v cc2 = 3.3v v cc1 = v cc2 = 1.8v t a = 25 c frequency (hz) i cc1 ( a) 80 25 15 20 10 ?5 0 5 5 10k 100k 1m 10m 100m 03298-008 fi g u r e 9 . i cc 1 vs . f r eque nc y v cc1 = v cc2 = 3.3v v cc1 = v cc2 = 1.8v t a = 25 c frequency (hz) i cc2 ( a) 2000 1800 1400 1600 1200 0 200 400 600 800 1000 10k 100k 1m 10m 100m 03298-009 f i g u re 10. i cc 2 vs . f r e q ue nc y
adg3231 r e v. a | pa ge 7 o f 1 2 t en t dis t a = 25c v cc1 = v cc2 supply (v) time (ns) 10 8 6 0 2 4 1.5 2.0 2.5 3.0 3.5 4.0 03298-010 f i g u re 11. e n ab le , d i s a bl e ti me v s . su p p ly t en t dis v cc1 = v cc2 = 3.3v temperature (c) time (ns) 6 8 6 0 2 2 4 ? 4 0 ? 20 0 2 0 4 0 6 0 8 0 03298-011 f i g u re 12. e n ab le , d i s a bl e ti me v s . t e mpe r at u r e t lh, low-to-high transition t hl, high-to-low transition v cc1 = 3.3v v cc2 = 1.8v t a = 25 c data rate 10mbps capacitive load (pf) rise/fall time (ns) 16 14 12 0 6 4 2 8 10 22 32 42 62 52 72 82 92 102 03298-012 f i g u re 13. r i s e /f al l ti me v s . capa cit i ve l oad ( 3 . 3 v t o 1.8 v l e vel t r ans l at io n) t lh, low-to-high transition t hl, high-to-low transition v cc1 = 1.8v v cc2 = 3.3v t a = 25 c data rate 10mbps capacitive load (pf) rise/fall time (ns) 10 9 8 0 5 2 3 4 1 6 7 22 32 42 62 52 72 82 92 102 03298-013 f i g u re 14. r i s e /f al l ti me v s . capa cit i ve l oad( 1 . 8 v t o 3.3 v l e vel t r ans l at io n) t plh, low-to-high transition t phl, high-to-low transition v cc1 = 3.3v v cc2 = 3.3v t a = 25 c data rate 10mbps capacitive load (pf) p r op agation de lay (ns ) 8 0 5 2 3 4 1 6 7 22 32 42 62 52 72 82 92 102 03298-014 f i g u re 15. p r opag a t ion d e l a y v s . capa cit i ve l o ad t phl, a? y t plhl, a? y t a = 25 c v cc1 = v cc2 supply voltage (v) p r op agation de lay (ns ) 8.0 0 2.0 4.0 6.0 1.5 2.0 2.5 3.0 3.5 4.0 03298-015 f i g u re 16. p r opag a t ion d e l a y v s . sup p l y v o lt ag e
adg3231 r e v. a | pa ge 8 o f 1 2 t phl, a?y t plh, a? y v cc1 = v cc2 = 3.3v temperature (c) p r op agation de lay (ns ) 4.0 0 1.0 2.0 3.0 ? 4 0 ? 20 0 2 0 4 0 6 0 8 0 03298-016 f i g u re 17. p r opag a t ion d e l a y v s . t e mper at u r e y 3.3v 1.8v a 3 2 03298-017 t a = 25c data rate = 10mhz f i gure 1 8 . input/ o u tput v cc 1 = 3. 3 v , v cc 2 = 1. 8 v y 3.3v a 2 1 3 03298-018 t a = 25c data rate = 10mhz 1.8v f i gure 1 9 . input/ o u tput v cc 1 = 1. 8 v , v cc 2 = 3. 3 v v cc = 3.3v v cc = 3.3v v cc = 2.5v v cc = 2.5v v cc = 1.8v v cc = 1.8v t a = 25c v cc = v cc1 = v cc2 source sink current (ma) output voltage (v) 3.5 2.5 3.0 2.0 0 0.5 1.0 1.5 0 5 10 15 20 03298-019 f i g u re 20. o u t p ut v o lt ag e v s . sink and s o u r c e cur r ent
adg3231 r e v. a | pa ge 9 o f 1 2 theory of operation the ad g3231 is a sin g le-c ha nne l leve l tra n sl a t or desig n e d o n a s u b m icr o n p r o c es s t h a t is g u a r an t e e d t o o p era t e o v er t h e 1.65 v t o 3.6 v s u p p l y ra n g e . th e de vice ma y be us e d in a p p l ic a t io n s r e q u ir in g co m m uni c a t io n b e t w e e n dig i t a l d e vices op era t i n g f r o m m u l t i p le su p p l y v o l t a g es. the log i c le v e l s o n e a c h side o f t h e de vi ce a r e s e t b y t h e tw o sup p l y v o l t a g es, v cc 1 fo r a and v cc 2 fo r y . th e sig n a l p a t h is u n id ir e c t i o n a l , me a n in g d a t a ma y f l o w on ly f r om a to y . the ad g3231 ca n o p era t e wi t h an y co m b ina t io n o f v cc 1 a nd v cc 2 s u p p l y v o l t a g es wi thin th e 1.65 v t o 3. 6 v ra n g e , al lo win g t h e p a r t t o p e r f o r m ei th er u p (v cc 1 < v cc 2 ) o r do wn (v cc 1 > v cc 2 ) l e vel t r ans l a t i o n. t h e out p ut s t ag e i s prote c te d ag ai nst c u r r e n t o v e r l o a d t h a t m a y o c c u r w h en t h e y p i n is accide n t a l ly sh o r te d to t h e v cc 2 or gnd ra ils b y limi tin g t h e c u r r en t de li ver e d in to th e lo ad; f o r exa m ple , ~1.7 ma wi t h v cc 2 = 3.6 v . the sh o r t-cir c u i t p r o t e c t i on circ ui t r y w o rks b y limi t i n g t h e ou t p u t c u r r en t w h en t h e o u t p u t v o l t a g e exc e e d s v ol (a = 0 log i c) o r is les s tha n v oh (a = 1 log i c) thr e s h old va l u es sp e c if ie d fo r t h e v cc 2 sup p ly vol t age u s e d . f i gur e 21 sh o w s th e typ i cal a p p l ica t io n f o r th e ad g3231 w h ere th e d e v i ce pe rf o r m s lev e l tra n s l a t i o n f r o m v cc 1 -co m p a t i b l e l e vel s to v cc 2 - c om p a t i bl e l e vel s to a l l o w prop e r c o m m u n i c at i o n bet w een t h e t w o d i gi t a l devi ce s, d e v i c e 1 a n d d e v i c e 2. signal output v cc2 device 2 signal input device 1 adg3231 a gnd y v cc2 v cc1 v cc1 03298-021 f i g u re 21. t y pic a l a p pli c at ion of t h e a d g3 23 1 l e vel t r an s l at or
adg3231 rev. a | page 10 of 12 outline dimensions 1 3 4 5 2 6 2. 90 bs c 1. 60 bs c 2. 80 b s c 1. 90 bs c 0. 95 b s c 0. 22 0. 08 10 4 0 0. 50 0. 30 0 . 1 5 ma x 1. 30 1. 15 0. 90 sea t i n g p l ane 1. 4 5 m a x 0. 60 0. 45 0. 30 pin 1 indicator compliant to jedec standards mo-178ab seating plane 0.60 0.57 0.53 12 8 max top view 0.34 max 0.27 nom 0.18 0.17 0.13 bo t t o m view 1.70 1.66 1.50 pin 1 1.30 1.20 1.10 1.70 1.65 1.50 1 3 5 6 2 4 0.10 nom 0.05 min 0.20 min 0.50 bsc 0.25 max 0.17 min 0.30 0.23 0.10 0.26 0.19 0.11 f i g u re 22. 6-l e ad s m a l l o u t l i n e t r ans i s t or p a ck ag e [so t - 23] (rj-6) di me nsio ns sho w n i n mi ll im e t e r s f i g u re 23. 6-l e ad s m a l l o u t l i n e t r ans i s t or p a ck ag e [so t - 66] (r y - 6-1) di me nsio ns sho w n i n mi ll im e t e r s ordering guide model temperature r a nge package desc ri p t i o n b r a n d i n g p a c k a g e o p t i o n adg3231brj-re el ? 40c to +85c s o t - 2 3 w 2 b r j - 6 adg3231brj-re el7 ? 40c to +85c s o t - 2 3 w 2 b r j - 6 adg3231brjz-reel 1 ? 40c to +85c s o t - 2 3 s o 2 r j - 6 adg3231brjz-reel7 1 ? 40c to +85c s o t - 2 3 s o 2 r j - 6 adg3231bryz- reel 1 ? 40c to +85c s o t - 6 6 s o 2 r y - 6 - 1 adg3231bryz- reel7 1 ? 40c to +85c s o t - 6 6 s o 2 r y - 6 - 1 1 z = pb-free part.
adg3231 rev. a | page 11 of 12 notes
adg3231 rev. a | page 12 of 12 notes ? 2004 analo g de vices, inc. all rights reserve d . tra d em arks and registered tra d ema r ks are the prop erty of their respective owners . c03298C0 C 12/04(a)

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