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1.65 v to 3.6 v , single - channel level translator in sot - 23 package data sheet adg3231 rev. c document feedback information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is ass umed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or p atent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. one technology way, p.o. box 9106, norwood, ma 02062 - 9106, u.s.a. tel: 781.329.4700 ? 2003 C 2012 analog devic es, inc. all rights reserved. technical support www.analog.com features operates from 1.65 v to 3.6 v supply rails unidirectional signal path up/down level translation ultracompact 6 - lead sot - 23 package output short - circuit protection lv ttl - /cmos - compatible inputs applications level translation in pdas handsets mp3 players functional block dia gram a gnd y v cc1 v cc2 03298-001 figure 1. general description the adg323 1 is a single - channel level translator designed on a submicron process that is guaranteed to operate over the 1.65 v to 3.6 v supply range. the device c an be used in applications requiring communication between digital devices operating from multiple supply voltages. the logic levels on each side of the device are set by the two supply voltages, v cc1 for a and v cc2 for y. the signal path is unidirectional , meaning data can flow only from a to y. the adg3231 can operate with any combination of v cc1 and v cc2 supply voltages within the 1.65 v to 3.6 v range, allowing the part to perform either up (v cc1 < v cc2 ) or down (v cc1 > v cc2 ) level translation. the out put stage is protected against current overload, which can occur when the y pin is accidentally shorted to the v cc2 or gnd rails. the adg3231 is available in the sot - 23 (2.8 mm 2.9 mm 1.3 mm) ultracompact package , making the part ideal for applicatio ns where space is critical. product highlights 1. up/down level translation. 2. guaranteed to operate with any supply combination within the 1.65 v to 3.6 v range. 3. output short - circuit protection. 4. available in ultracompact sot - 23 package .
adg3231 data sheet rev. c | page 2 of 12 table of contents features .............................................................................................. 1 applications ....................................................................................... 1 functional block diag ram .............................................................. 1 general description ......................................................................... 1 product highlights ........................................................................... 1 revision histor y ............................................................................... 2 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 his tory 9 / 12 rev. b to rev. c removed sot - 66 package (throughout) ..................................... 1 updated outline dimensions ....................................................... 10 changes to ordering guide .......................................................... 10 5 /06 rev. a to rev. b deleted figure 11 and figure 12 ..................................................... 7 changes to ordering guide .......................................................... 10 12/04 rev. 0 to rev. a updated format .................................................................. universa l added sot - 66 package ..................................................... universal change to data sheet title .............................................................. 1 changes to features, applications, general description and product highlights sections ..................................................... 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 ch anges to figure 13 through figure 20 ........................................ 7 changes to theory of operation section ....................................... 9 updated outline dimensions ....................................................... 10 changes to ordering guide .......................................................... 10 5/03 revision 0: initial version
data sheet adg3231 rev. c | page 3 of 12 specifications v cc1 = v cc2 = 1.65 v to 3.6 v, gnd = 0 v. all specifications t min to t max , unless otherwise noted. temperature range for the b version is ?40c to +85c. table 1. parameter symbol conditions min typ 1 max unit logic inputs/outputs input high voltage 2 v ih v cc1 = 3.0 v to 3.6 v 1.35 v v cc1 = 2.3 v to 2.7 v 1.35 v 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 cc1 = 2.3 v to 2.7 v 0.7 v v cc1 = 1.65 v to 1.95 v 0.35 v cc1 v output high voltage v oh i oh = C100 a, v cc2 = 3.0 v to 3.6 v 2.4 v i oh = C100 a, v cc2 = 2.3 v to 2.7 v 2.0 v i oh = C100 a, 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 i oh = ?4 ma, 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 ol = 100 a, v cc2 = 3.0 v to 3.6 v 0.4 v i ol = 100 a, v cc2 = 2.3 v to 2.7 v 0.4 v i ol = 100 a, v cc2 = 1.65 v to 1.95 v 0.45 v i ol = 4 ma, v cc2 = 2.3 v to 2.7 v 0.4 v i ol = 4 ma, v cc2 = 1.65 v to 1.95 v 0.45 v i ol = 8 ma, v cc2 = 3.0 v to 3.6 v 0.4 v switching characteristics 2 propagation delay, t pd a to y t phl , t plh 3.3 v 0.3 v, c l = 30 pf, see figure 2 4 6.5 ns propagation delay, t pd a to y t phl , t plh 2.5 v 0.2 v, c l = 30 pf, see figure 2 4.5 6.5 ns propagation delay, t pd a to y t phl , t plh 1.8 v 0.15 v, c l = 30 pf, see figure 2 6.5 10.25 ns 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 requirements power supply voltages v cc1 1.65 3.6 v v cc2 1.65 3.6 v quiescent power 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 all typical values are at v cc1 = v cc2 , t a = 25c, unless otherwise noted. 2 guaranteed by design, not subject to production test. input 0v v cc2 0v v cc1 50% 50% t plh t phl output 03298-020 figure 2. timing diagram
adg3231 data sheet rev. c | page 4 of 12 absolute maximum rat in gs t a = 25c, unless otherwise noted. table 2 . parameter rating 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 current 25 ma operating temperature range industrial (b version) ? 40c to +85c storage temperature range ? 65c to +150c junction temperature 150c ja thermal impedance 6 -le ad sot - 23 229c/w lead temperature, soldering (10 sec ) 300c ir reflow, peak temperature (<20 sec ) 235c stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only; functional ope ration of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. only one absolut e maximum rating may be applied at any one time. esd caution
data sheet adg3231 rev. c | page 5 of 12 pin configurations a nd function descript ions 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 figure 3 . sot - 23 table 3 . pin function descriptions pin number mnemonic description 1 v cc1 supply voltage 1. can be any supply voltage from 1.65 v to 3.6 v. 2 nc not internally connected. 3 a digital input referred to v cc1 . 4 gnd device ground pin. 5 y digital output referred to v cc2 . 6 v cc2 supply voltage 2. can be any supply voltage from 1.65 v to 3.6 v.
adg3231 data sheet rev. c | page 6 of 12 typical performance characteristics 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 figure 4. i cc1 vs. v cc1 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 figure 5. i cc2 vs. v cc2 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 0 10 20 30 50 40 60 70 80 03298-006 figure 6. i cc1 vs. temperature 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 0 10 20 30 50 40 60 70 80 03298-007 figure 7. i cc2 vs. temperature v cc1 = v cc2 = 3.3v v cc1 = v cc2 = 1.8v t a = 25c frequency (hz) i cc1 ( a) 80 70 50 60 40 0 10 20 30 10k 100k 1m 10m 100m 03298-008 figure 8. i cc1 vs. frequency v cc1 = v cc2 = 3.3v v cc1 = v cc2 = 1.8v t a = 25c frequency (hz) i cc2 (a) 2000 1800 1400 1600 1200 0 200 400 600 800 1000 10k 100k 1m 10m 100m 03298-009 figure 9. i cc2 vs. frequency
data sheet adg3231 rev. c | page 7 of 12 t lh, low-to-high transition t hl, high-to-low transition v cc1 = 3.3v v cc2 = 1.8v t a = 25c 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 figure 10 . rise/fall time vs. capacitive load (3.3 v to 1.8 v level tran slation) t lh, low-to-high transition t hl, high-to-low transition v cc1 = 1.8v v cc2 = 3.3v t a = 25c 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 figure 11 . rise/fall time vs. capacitive load (1.8 v to 3.3 v level translation) t plh, low-to-high transition t phl, high-to-low transition v cc1 = 3.3v v cc2 = 3.3v t a = 25c data rate 10mbps capacitive load (pf) propagation delay (ns) 8 0 5 2 3 4 1 6 7 22 32 42 62 52 72 82 92 102 03298-014 figure 12 . propagation delay vs. capacitive load t phl, a to y t plhl, a to y t a = 25c v cc1 = v cc2 supply voltage (v) propagation delay (ns) 8.0 0 2.0 4.0 6.0 1.5 2.0 2.5 3.0 3.5 4.0 03298-015 figure 13 . propagation delay vs. supply voltage t phl, a to y t plh, a to y v cc1 = v cc2 = 3.3v temperature (c) propagation delay (ns) 4.0 0 1.0 2.0 3.0 ?40 ?20 0 20 40 60 80 03298-016 figure 14 . propagation delay vs. temperature y 3.3v 1.8v a 3 2 03298-017 t a = 25c data rate = 10mhz figure 15 . input/output v cc1 = 3.3 v, v cc2 = 1.8 v
adg3231 data sheet rev. c | page 8 of 12 y 3.3v a 2 1 3 03298-018 t a = 25c data rate = 10mhz 1.8v figure 16 . input/output v cc1 = 1.8 v, v cc2 = 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 figure 17 . output voltage vs. sink and source current
data sheet adg3231 rev. c | page 9 of 12 theory of operation the adg3231 is a single - channel level translator designed on a submicron process that is guaranteed to operate over the 1.65 v to 3.6 v supply range. th e device can be used in applications requiring communication between digital devices operating from multiple supply voltages. the logic levels on each side of the device are set by the two supply voltages, v cc1 for a , and v cc2 for y. the signal path is uni directional, meaning data can flow only from a to y. the adg3231 can operate with any combination of v cc1 and v cc2 supply voltages within the 1.65 v to 3.6 v range, allowing the part to perform either up (v cc1 < v cc2 ) or down (v cc1 > v cc2 ) level translati on. by limiting the c urrent delivered into the load, for example, ~1.7 ma with v cc2 = 3.6 v, t he output stage is protected against current overload , which can occur when the y pin is accidentally shorted to the v cc2 or gnd rails . the short - circuit prote ction circuitry works by limiting the output current when the output voltage exceeds v ol (a = 0 logic) or is less than v oh (a = 1 logic) threshold values specified for the v cc2 supply voltage used. figure 18 shows a typical appl ication for the adg3231 where the device performs level translation from v cc1 - compatible levels to v cc2 - compatible levels to allow proper communication between the two digital devices, device 1 and device 2. signal output v cc2 device 2 signal input device 1 adg3231 a gnd y v cc2 v cc1 v cc1 03298-021 figure 18 . typical application of the adg3231 level translator
adg3231 data sheet rev. c | page 10 of 12 outline dimensions compliant to jedec standards mo-178-a b 10 4 0 seating plane 1.90 bsc 0.95 bsc 0.60 bsc 6 5 1 2 3 4 3.00 2.90 2.80 3.00 2.80 2.60 1.70 1.60 1.50 1.30 1.15 0.90 0.15 max 0.05 min 1.45 max 0.95 min 0.20 max 0.08 min 0.50 max 0.30 min 0.55 0.45 0.35 pin 1 indicator 12-16-2008-a figure 19 . 6 - lead small outline transistor package [sot - 23] (rj - 6) dimensions shown in millimeters ordering guide model 1 temperature range package description pa ckage option branding adg3231brj - reel7 ? 40c to +85c 6- lead sot - 23 rj -6 w2b adg3231brjz - reel ? 40c to +85c 6- lead sot - 23 rj -6 w2b # adg3231brjz - reel7 ? 40c to +85c 6- lead sot - 23 rj -6 w2b # 1 z = rohs compliant p art, # denotes lead - free may be top or b ottom marked.
data sheet adg3231 rev. c | page 11 of 12 notes
adg3231 data sheet rev. c | page 12 of 12 notes ? 2003 C 2012 analog dev ices, inc. all rights reserved. trademarks and registered trademarks are the property of their respective owners. % 03298 -0- 9/12(c)

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