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low cost micropower, low noise cmos rail-to- rail, input/output operational amplifiers ad8613/ad8617/ad8619 rev. b information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed 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 patent 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 www.analog.com fax: 781.461.3113 ?2006 analog devices, inc. all rights reserved. features offset voltage: 2.2 mv max low input bias current: 1 pa max single-supply operation: 1.8 v to 5 v low noise: 22 nv/hz micropower: 38 a no phase reversal unity gain stable applications battery-powered instrumentation multipole filters current shunt sense sensors adc predrivers dac drivers/level shifters low power asic input or output amplifiers general description the ad8613/ad8617/ad8619 are single, dual, and quad micropower, rail-to-rail input and output amplifiers that feature low supply current, low input voltage, and low current noise. the parts are fully specified to operate from 1.8 v to 5.0 v single supply, or 0.9 v and 2.5 v dual supply. the combination of low noise, very low input bias currents, and low power consumption make the ad8613/ad8617/ad8619 especially useful in portable and loop-powered instrumentation. the ability to swing rail-to-rail at both the input and output enables designers to buffer cmos adcs, dacs, asics, and other wide output swing devices in low power, single-supply systems. the ad8613 is available in a 5-lead sc70 package and a 5-lead tsot-23 package. the ad8617 is available in 8-lead msop and 8-lead soic packages. the ad8619 is available in 14-lead tssop and 14-lead soic packages. pin configurations 1 2 3 5 4 v+ ?in out v? +in 05622-037 ad8613 top view (not to scale) figure 1. 5-lead sc70 and 5-lead tsot-23 out a 1 ?in a 2 +in a 3 v? 4 v+ 8 out b 7 ?in b 6 +in b 5 ad8617 top view (not to scale) 05622-001 figure 2. 8-lead msop 05622-002 out a 1 ?in a 2 +in a 3 v? 4 v+ 8 out b 7 ?in b 6 +in b 5 ad8617 top view (not to scale) figure 3. 8-lead soic_n 05622-035 1 2 3 4 5 6 7 ad8619 ?in a +in a v+ out b ?in b +in b out a 14 13 12 11 10 9 8 ?in d +in d v? out c ?in c +in c out d top view (not to scale) figure 4. 14-lead tssop 05622-036 out a 1 ?in a 2 +in a 3 v+ 4 out d 14 ?in d 13 +in d 12 v? 11 +in b 5 +in c 10 ?in b 6 ?in c 9 out b 7 out c 8 ad8619 top view (not to scale) figure 5. 14-lead soic_n
ad8613/ad8617/ad8619 rev. b | page 2 of 16 table of contents features .............................................................................................. 1 applications....................................................................................... 1 general description ......................................................................... 1 pin configurations ........................................................................... 1 revision history ............................................................................... 2 specifications..................................................................................... 3 absolute maximum ratings............................................................ 5 thermal resistance .......................................................................5 esd caution...................................................................................5 typical performance characteristics ..............................................6 outline dimensions ....................................................................... 12 ordering guide .......................................................................... 13 revision history 1/06rev. a to rev. b added ad8613 ...................................................................universal changes to features.......................................................................... 1 changes to table 1............................................................................ 3 changes to table 2............................................................................ 4 updated outline dimensions ....................................................... 12 changes to ordering guide .......................................................... 13 10/05rev. 0 to rev. a added ad8619 ...................................................................universal change to specifications section ....................................................3 updated outline dimensions....................................................... 12 changes to ordering guide .......................................................... 13 9/05revision 0: initial version
ad8613/ad8617/ad8619 rev. b | page 3 of 16 specifications electrical characteristics @ v s = 5 v, v cm = v s /2, t a = 25c, unless otherwise noted. table 1. parameter symbol conditions min typ max unit input characteristics offset voltage v os ?0.3 v < v cm < +5.3 v 0.4 2.2 mv ?40c < t a < +125c, ?0.3 v < v cm < +5.2 v 2.2 mv offset voltage drift ?v os /?t ?40c < t a < +125c 1 4.5 v/c ad8613 2.5 7.0 v/c input bias current i b 0.2 1 pa ?40c < t a < +85c 110 pa ?40c < t a < +125c 780 pa input offset current i os 0.1 0.5 pa ?40c < t a < +85c 50 pa ?40c < t a < +125c 250 pa common-mode rejection ratio cmrr 0 v < v cm < 5 v 95 db ?40c < t a < +125c 68 db large signal voltage gain a vo r l = 10 k, 0.5 v < v o < 4.5 v 235 500 v/mv input capacitance c diff 1.9 pf c cm 2.5 pf output characteristics output voltage high v oh i l = 1 ma 4.95 4.98 v ?40c to +125c 4.9 v i l = 10 ma 4.7 v ?40c to +125c 4.50 v output voltage low v ol i l = 1 ma 20 30 mv ?40c to +125c 50 mv i l = 10 ma 190 275 mv ?40c to +125c 335 mv short-circuit current i sc 80 ma closed-loop output impedance z out f = 10 khz, a v = 1 15 power supply power supply rejection ratio psrr 1.8 v < v s < 5 v 67 94 db ?40c < t a < +125c 64 db supply current/amplifier i sy v o = v s /2 38 a ?40c ad8613/ad8617/ad8619 rev. b | page 4 of 16 electrical characteristics @ v s = 1.8 v, v cm = v s /2, t a = 25c, unless otherwise noted. table 2. parameter symbol conditions min typ max unit input characteristics offset voltage v os ?0.3 v < v cm < +1.9 v 0.4 2.2 mv ?0.3 v < v cm < +1.8 v; ?40c < t a < +125c 2.2 mv offset voltage drift ?v os /?t ?40c < t a < +125c 1 8.5 v/c ad8613 3.7 9.0 v/c input bias current i b 0.2 1 pa ?40c < t a < +85c 110 pa ?40c < t a < +125c 780 pa input offset current i os 0.1 0.5 pa ?40c < t a < +85c 50 pa ?40c < t a < +125c 250 pa common-mode rejection ratio cmrr 0 v < v cm < 1.8 v 58 86 db ?40c < t a < +125c 55 db large signal voltage gain a vo r l = 10 k, 0.5 v < v o < 1.3 v 85 1000 v/mv input capacitance c diff 2.1 pf c cm 3.8 pf output characteristics output voltage high v oh i l = 1 ma 1.65 1.73 v ?40c to +125c 1.6 v output voltage low v ol i l = 1 ma 44 60 mv ?40c to +125c 80 mv short-circuit current i sc 7 ma closed-loop output impedance z out f = 10 khz, a v = 1 15 power supply power supply rejection ratio psrr 1.8 v < v s < 5 v 67 94 db supply current/amplifier i sy v o = v s /2 38 a ?40c ad8613/ad8617/ad8619 rev. b | page 5 of 16 absolute maximum ratings t a = 25c, unless otherwise noted . table 3. parameter rating supply voltage 6 v input voltage v ss ? 0.3 v to v dd + 0.3 v differential input voltage 6 v output short-circuit duration to gnd observe derating curve storage temperature range ?65c to +150c lead temperature (soldering, 60 sec) 300c operating temperature range ?40c to +125c junction temperature range ?65c to +150c stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only; functional operation 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. absolute maximum ratings apply at 25c, unless otherwise noted. thermal resistance ja is specified for the worst-case conditions, that is, a device soldered in a circuit board for surface-mount packages. table 4. thermal characteristics package type ja jc unit 5-lead tsot-23 (uj-5) 207 61 c/w 5-lead sc70 (ks-5) 376 126 c/w 8-lead msop (rm-8) 210 45 c/w 8-lead soic_n (r-8) 158 43 c/w 14-lead soic_n (r-14) 120 36 c/w 14-lead tssop (ru-14) 180 35 c/w esd caution esd (electrostatic discharge) sensitive device. electros tatic charges as high as 4000 v readily accumulate on the human body and test equipment and can discharge wi thout detection. although this product features proprietary esd protection circuitry, permanent dama ge may occur on devices subjected to high energy electrostatic discharges. therefore, proper esd precautions are recommended to avoid performance degradation or loss of functionality.
ad8613/ad8617/ad8619 rev. b | page 6 of 16 typical performance characteristics v sy = 5 v or 2.5 v, unless otherwise noted. 1800 0 ?2000 1900 05622-003 input offset voltage ( v) number of amplifiers 1600 1400 1200 1000 800 600 400 200 ?1700 ?1400 ?1100 ?800 ?500 ?200 100 400 700 1000 1300 1600 v sy = 5.5v ?0.5v < v cm < +5.5v t a = 25c figure 6. input offset voltage distribution 40 0 01 0 05622-004 tcv os ( v/c) number of amplifiers 35 30 25 20 15 10 5 123456789 ?40c < t a < 125c v cm = 2.5v figure 7. input offset voltage drift distribution 2000 ?2000 ?0.5 5.5 05622-005 input common-mode voltage (v) input offset voltage ( v) 1500 1000 500 0 ?500 ?1000 ?1500 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 v sy = 5v t a = 25c figure 8. input offset voltage vs. input common-mode voltage 400 0 25 150 05622-006 temperature (c) input bias current (pa) 350 300 250 200 150 100 50 50 75 100 125 v sy = 5v and 1.8v figure 9. input bias current vs. temperature 50 0 05 05622-007 supply voltage (v) t a = 25c 40 30 20 10 1234 figure 10. supply current vs. supply voltage 50 0 ?40 05622-008 temperature (c) supply current/amplifier ( a) 40 30 20 10 ?10205080110 v sy = 2.5v, 1.35v, 0.9v figure 11. supply current vs. temperature
ad8613/ad8617/ad8619 rev. b | page 7 of 16 1k 0.01 0.001 10 05622-009 load current (ma) output saturation voltage (mv) 0.01 0.1 1 0.1 1 10 100 v sy = 5v t a = 25oc source v sy ? v oh sink v ol figure 12. output saturation voltage vs. load current 40 0 ?40 125 05622-010 temperature (c) output saturation voltage (mv) 30 20 10 ?25?105 203550658095110 v sy = 5v v sy ? v oh @ 1ma v ol @ 1ma figure 13. output saturation voltage vs. temperature (i l = 1 ma) 350 0 ?40 125 05622-011 temperature (c) output saturation voltage (mv) ?25?105 203550658095110 v sy = 5v v ol @ 10ma 300 250 200 150 100 50 v dd ? v oh @ 10ma figure 14. output saturation voltage vs. temperature (i l = 10 ma) 60 ?20 1k 1m 05622-012 frequency (hz) open-loop gain (db) ?45 0 45 90 135 open-loop phase shift (degrees) 10k 100k 50 40 30 20 10 0 ?10 v sy = 2.5v and 0.9v r l = 100k c l = 20pf m figure 15. open-loop gain and phase vs. frequency 120 0 100 1m 05622-013 frequency (hz) cmrr (db) 1k 10k 100 80 60 40 20 100k v sy = 5v and 2.7v t a = 25c figure 16. cmrr vs. frequency 120 0 100 1m 05622-014 frequency (hz) psrr (db) 1k 10k 100k 100 80 60 40 20 v sy = 2.5v and 1.35v t a = 25c figure 17. psrr vs. frequency
ad8613/ad8617/ad8619 rev. b | page 8 of 16 1k 0 100 1m 05622-015 frequency (hz) output impedance ( ) 1k 10k 100k 100 10 1 v sy = 5v and 1.8v a v = 10 a v = 1 a v = 100 figure 18. closed-loop outp ut impedance vs. frequency 50 0 10 1000 05622-016 load capacitance (pf) small signal overshoot (%) ?os +os 100 45 40 35 30 25 20 15 10 5 v sy = 5v t a = 25c figure 19. small signal overshoot vs. load capacitance 05622-017 time (4 s/div) v sy = 5v, 2.7v, 1.8v a v = 1 r l = 10k c l = 200pf voltage (50mv/div) figure 20. small signal transient response 05622-018 time (20 s/div) v sy = 5v a v = 1 r l = 10k c l = 200pf voltage (1v/div) figure 21. large signal transient response 05622-019 time (20 s/div) v sy = 2.5v a v = ?50 v out (v) v in (mv) ?2.5 0 0 100 figure 22. positive overload recovery 05622-020 time (20 s/div) v sy = 2.5v a v = ?50 v out (v) v in (mv) 0 2.5 ?100 0 figure 23. negative overload recovery
ad8613/ad8617/ad8619 rev. b | page 9 of 16 05622-021 time (20 s/div) v sy = 2.5v a v = 1 r l = 10k v in = 6v p-p voltage (1v/div) v in v out figure 24. no phase reversal 05622-022 time (1s/div) v sy = 5v and 2.7v voltage noise (1 v/div) figure 25. 0.1 hz to 10 hz input voltage noise 1000 1 1 10000 05622-023 frequency (hz) input voltage noise (nv/ hz) 10 100 1000 10 100 v sy = 5v t a = 25oc 1/f corner @ 100hz figure 26. voltage noise density 140 0 100 1m 05622-024 frequency (hz) channel separation (db) 20 40 60 80 100 120 1k 10k 100k v sy = 5v figure 27. channel separation
ad8613/ad8617/ad8619 rev. b | page 10 of 16 v s = 1.8 v or 0.9 v, unless otherwise noted. 450 0 ?2000 1900 05622-025 input offset voltage ( v) number of amplifiers 400 350 300 250 200 150 100 50 ?1700 ?1400 ?1100 ?800 ?500 ?200 100 400 700 1000 1300 1600 v sy = 1.8v 0v < v cm < 1.8v t a = 25c figure 28. input offset voltage distribution 2000 ?2000 ?0.5 input common-mode voltage (v) input offset voltage ( v) 2.2 1500 ?1500 ?1000 ?500 0 500 1000 ?0.2 0.1 0.4 0.7 1.0 1.3 1.6 1.9 v sy = 1.8v t a = 25c 05622-026 figure 29. input offset voltage vs. input common-mode voltage 1000 0.01 0.001 10 05622-027 load current (ma) output saturation voltage (mv) 0.01 0.1 1 0.1 1 10 100 v sy ?v oh source v sy = 1.8v t a = 25oc sink v ol figure 30. output saturation voltage vs. load current 80 0 ?40 125 05622-028 temperature (c) output saturation voltage (mv) 60 40 20 ?25?105 203550658095110 v sy = 1.8v v sy ?v oh @ 1ma v oh @ 1ma figure 31. output saturation voltage vs. temperature (i l = 1 ma) 100 0 100 1m 05622-029 frequency (hz) cmrr (db) 20 40 60 80 1k 10k 100k v sy = 1.8v t a = 25c figure 32. cmrr vs. frequency 120 0 100 1m 05622-030 frequency (hz) psrr (db) 20 40 60 80 100 1k 10k v sy = 1.8v t a = 25c figure 33. psrr vs. frequency
ad8613/ad8617/ad8619 rev. b | page 11 of 16 40 0 10 1k 05622-031 load capacitance (pf) small signal overshoot (%) 10 20 30 100 +os ?os v sy = 1.8v t a = 25c figure 34. small signal overshoot vs. load capacitance 05622-032 time (20 s/div) v sy = 1.8v a v = 1 r l = 10k c l = 200pf voltage (500mv/div) figure 35. large signal transient response 05622-033 time (1s/div) v sy = 1.8v voltage (1 v/div) figure 36. 0.1 hz to 10 hz input voltage noise 1k 1 1 10k 05622-034 frequency (hz) input voltage noise (nv/ hz) 10 100 1k 10 100 v sy = 1.8v t a = 25c 1/f corner @ 100hz figure 37. voltage noise density
ad8613/ad8617/ad8619 rev. b | page 12 of 16 outline dimensions compliant to jedec standards mo-187-aa 0.80 0.60 0.40 8 0 4 8 1 5 pin 1 0.65 bsc seating plane 0.38 0.22 1.10 max 3.20 3.00 2.80 coplanarity 0.10 0.23 0.08 3.20 3.00 2.80 5.15 4.90 4.65 0.15 0.00 0.95 0.85 0.75 figure 38. 8-lead mini small outline package [msop] (rm-8) dimensions shown in millimeters 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-ab coplanarity 0.10 14 8 7 1 6.20 (0.2441) 5.80 (0.2283) 4.00 (0.1575) 3.80 (0.1496) 8.75 (0.3445) 8.55 (0.3366) 1.27 (0.0500) bsc seating plane 0.25 (0.0098) 0.10 (0.0039) 0.51 (0.0201) 0.31 (0.0122) 1.75 (0.0689) 1.35 (0.0531) 8 0 0.50 (0.0197) 0.25 (0.0098) 1.27 (0.0500) 0.40 (0.0157) 0.25 (0.0098) 0.17 (0.0067) 45 figure 39. 14-lead standard small outline package [soic_n] narrow body (r-14) dimensions shown in millimeters and (inches) 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 (0.1968) 4.80 (0.1890) 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 figure 40. 8-lead standard small outline package [soic_n] narrow body (r-8) dimensions shown in millimeters and (inches) 4.50 4.40 4.30 14 8 7 1 6.40 bsc pin 1 5.10 5.00 4.90 0.65 bsc seating plane 0.15 0.05 0.30 0.19 1.20 max 1.05 1.00 0.80 0.20 0.09 8 0 0.75 0.60 0.45 coplanarity 0.10 compliant to jedec standards mo-153-ab-1 figure 41. 14-lead thin shrink small outline package [tssop] (ru-14) dimensions shown in millimeters
ad8613/ad8617/ad8619 rev. b | page 13 of 16 compliant to jedec standards mo-203-aa 0.30 0.15 0 . 1 0 m a x 1.00 0.90 0.70 0.46 0.36 0.26 seating plane 0.22 0.08 1.10 0.80 4 5 123 pin 1 0.65 bsc 2.20 2.00 1.80 2.40 2.10 1.80 1.35 1.25 1.15 0.10 coplanarity 0.40 0.10 figure 42. 5-lead thin shrink small outline transistor package [sc70] (ks-5) dimensions shown in millimeters * compliant to jedec standards mo-193-ab with the exception of package height and thickness. pin 1 1.60 bsc 2.80 bsc 1.90 bsc 0.95 bsc 0.20 0.08 0.60 0.45 0.30 8 4 0 0.50 0.30 0.10 max seating plane * 1.00 max * 0.90 0.87 0.84 2.90 bsc 54 12 3 figure 43. 5-lead thin small outline transistor package [tsot-23] (uj-5) dimensions shown in millimeters ordering guide model temperature range package description package option branding AD8613AKSZ-R2 1 ?40c to +125c 5-lead sc70 ks-5 a0y ad8613aksz-reel 1 ?40c to +125c 5-lead sc70 ks-5 a0y ad8613aksz-reel7 1 ?40c to +125c 5-lead sc70 ks-5 a0y ad8613aujz-r2 1 ?40c to +125c 5-lead tsot-23 uj-5 a0y ad8613aujz-reel 1 ?40c to +125c 5-lead tsot-23 uj-5 a0y ad8613aujz-reel7 1 ?40c to +125c 5-lead tsot-23 uj-5 a0y ad8617armz-r2 1 ?40c to +125c 8-lead msop rm-8 a0t ad8617armz-reel 1 ?40c to +125c 8-lead msop rm-8 a0t ad8617arz 1 ?40c to +125c 8-lead soic_n r-8 ad8617arz-reel 1 ?40c to +125c 8-lead soic_n r-8 ad8617arz-reel7 1 ?40c to +125c 8-lead soic_n r-8 ad8619aruz 1 ?40c to +125c 14-lead tssop ru-14 ad8619aruz-reel 1 ?40c to +125c 14-lead tssop ru-14 ad8619arz 1 ?40c to +125c 14-lead soic_n r-14 ad8619arz-reel 1 ?40c to +125c 14-lead soic_n r-14 ad8619arz-reel7 1 ?40c to +125c 14-lead soic_n r-14 1 z = pb-free part.
ad8613/ad8617/ad8619 rev. b | page 14 of 16 notes
ad8613/ad8617/ad8619 rev. b | page 15 of 16 notes
ad8613/ad8617/ad8619 rev. b | page 16 of 16 notes ?2006 analog devices, inc. all rights reserved. trademarks and registered trademarks are the property of their respective owners. d05622-0-1/06(b)

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