unisonic technologies co., ltd LV2460/2461 preliminary linear integrated circuit www.unisonic.com.tw 1 of 8 copyright ? 2018 unisonic technologies co., ltd qw-r105-056.c family of low-power rail-to-rail input/output operational amplifiers with shutdown ? description the utc LV2460/2461 is a low-power rail-to-rail input/output op amplifier with low supply current (500ua) and low voltage (2.7-6v), that can be designed into a wide range of applications. the utc LV2460 offers a shutdown terminal, which places the amplifier in an ultralow supply current mode (i cc = 0.3 a). the utc LV2460/2461 have a guaranteed 1.6 v/s slew rate and low supply current. rail-to-rail output and high output current make the ic's ideal for buffering analog-to-digital converters. and the input common-mode voltage range includes ground and v cc . besides, they are also able to drive large capacitive loads. good ac performance can be prov ided because of 6.4mhz of bandwidth and 1.6 v/ s of slew rate. furthermore, low input noise voltage (11nv/ hz ) and low input offset voltage (100 v) make good dc performance. ? features * rail-to-rail output swing * gain bandwidth product: 6.4 mhz * 48ma output drive capability * supply current: 500 a * input offset voltage: 100 v * input noise voltage: 11nv/ hz * slew rate: 1.6v/ s * universal operational amplifier * micropower shutdown mode (LV2460) 0.3 a ? ordering information ordering number lead free halogen free package packing LV2460l-ag6-r LV2460g-ag6-r sot-26 tape reel lv2461l-af5-r lv2461g-af5-r sot-25 tape reel
LV2460/2461 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 8 www.unisonic.com.tw qw-r105-056.c ? marking LV2460 lv2461 2460 123 4 5 6 3 2 1 2461 5 4 ? pin configuration 3 2 1 4 5 in+ gnd out v cc in- lv2461 6 5 4 1 2 3 shdn in- gnd v cc out in+ LV2460 ? pin description pin no. LV2460 lv2461 pin name description 1 1 out output 2 2 gnd ground 3 3 in+ positive input 4 4 in- negative input 5 - shdn shutdown 6 5 v cc supply power
LV2460/2461 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 8 www.unisonic.com.tw qw-r105-056.c ? block diagram for LV2460 1 2 3 6 4 out gnd in+ in- v cc 5 shdn for lv2461 1 2 3 5 4 out gnd in+ in- v cc
LV2460/2461 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 8 www.unisonic.com.tw qw-r105-056.c ? internal simple circuit for LV2460 for lv2461
LV2460/2461 preliminary linear integrated circuit unisonic technologies co., ltd 5 of 8 www.unisonic.com.tw qw-r105-056.c ? absolute maximum rating (t a = 25c, unless otherwise specified) parameter symbol ratings unit supply voltage (note 1) v cc 6 v differential input voltage v id -0.2 ~ v cc +0.2 v output current i o 175 ma t a 25c sot-25 385 power dissipation t a 25c sot-26 p d 425 mw operating free-air temperature t a -40 ~ +125 c junction temperature t j +150 c storage temperature t stg -60 ~ +150 c notes: 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. 2. all voltage values, except differential voltages, are with respect to gnd. ? thermal data parameter symbol ratings unit sot-25 324 c/w junction to ambient sot-26 ja 294 c/w sot-25 55 c/w junction to case sot-26 jc 55 c/w ? recommended opwraing conditions parameter symbol ratings unit single supply 2.7 ~ 6 v supply voltage split supply v cc 1.35 ~ 3 v common-mode input voltage v icr 0 ~ v cc v operating free-air temperature t a -40 ~ +125 c v ih_min 2 v shutdown on/off voltage level (note 1) v il_max 0.7 v note: relative to voltage on the gnd terminal of the device.
LV2460/2461 preliminary linear integrated circuit unisonic technologies co., ltd 6 of 8 www.unisonic.com.tw qw-r105-056.c ? electrical characteristics (t a =25c, unless otherwise specified) v cc =3v parameter symbol test conditions min typ max unit input offset voltage v io v cc =3v, v ic =1.5v, v o =1.5v, r s =50 ? 500 2000 v input offset current i io v cc =3v, v ic =1.5v, 2.8 7 na input bias current i ib v o =1.5v, r s =50 ? 4.4 14 na i oh = -2.5ma 2.9 v high-level output voltage v oh i oh =-10ma 2.7 v v ic =1.5v, i ol =2.5ma 0.1 v low-level output voltage v ol v ic =1.5v, i ol =10ma 0.3 v sourcing 50 ma short-circuit output current i os sinking 40 ma output current i o measured 1v form rail 40 ma large-signal differential voltage amplification a vd r l =10k ? , v o(pp) =1v 90 105 db differential input resistance r i(d) t a =25c 10 9 ? common-mode input capacitance c i(c) f=10khz, t a =25c 7 pf closed-loop output impedance z o f=100khz, a v =10, t a =25c 33 ? common-mode rejection ratio cmrr v icr =0~3v, r s =50 ? 66 80 db v cc =2.7~6v, v ic =v cc /2, no load 80 85 db supply voltage rejection ratio ( ? v cc / ? v io ) k svr v cc =3~5v, v ic =v cc /2, no load 85 95 db supply current i cc v o =1.5v, no load 0.5 0.575 ma supply current in shutdown(LV2460) i cc( shdn ) shdn <0.7v 0.3 a slew rate at unity gain sr v o(pp) =0.8v, r l =10k ? , c l =160pf 0.9 1.6 v/ s f=100hz 16 equivalent input noise voltage v n f=1khz 11 nv/ hz equivalent input noise current i n f=1khz 0.13 pa/ hz a v =1 0.006 % a v =10 0.02 % total harmonic distortion plus noise thd+n v o(pp) =2v, r l =10k ? , f=1khz a v =100 0.08 % gain-bandwidth product f=10 khz, c l =160pf, r l =10k ? 5.2 mhz 0.1% 1.47 s v (step)pp =2v,r l =10k ? , a v = -1, c l =10pf 0.01% 1.78 s 0.1% 1.77 s setting time t s v (step)pp =2v,r l =10k ? a v = -1, c l =56pf, 0.01% 1.98 s phase margin at unity gain m 44 gain margin r l =10k ? , c l =160pf 7 db
LV2460/2461 preliminary linear integrated circuit unisonic technologies co., ltd 7 of 8 www.unisonic.com.tw qw-r105-056.c ? electrical characteristics (cont.) v cc =5v parameter symbol test conditions min typ max unit input offset voltage v io v cc =5v, v ic =2.5v, v o =2.5v, r s =50 ? 500 2000 v input offset current i io v cc =5v, v ic =2.5v, v o =2.5v, r s =50 ? 0.3 7 na input bias current i ib 1.3 14 na i oh =-2.5ma 4.9 v high-level output voltage v oh i oh =-10ma 4.8 v v ic =2.5v, i ol =2.5ma 0.1 v low-level output voltage v ol v ic =2.5v, i ol =10ma 0.2 v sourcing 145 ma short-circuit output current i os sinking 100 ma output current i o measured 1v form rail 48 ma large-signal differential voltage amplification a vd v ic =2.5v, r l =10k ? , v o =1~4v 92 109 db differential input resistance r i(d) t a =25c 10 9 ? common-mode input capacitance c i(c) f=10khz, t a =25c 7 pf closed-loop output impedance z o f=100khz, a v =10, t a =25c 29 ? common-mode rejection ratio cmrr v icr =0~5v, r s =50 ? 71 85 db v cc =2.7~6v, v ic =v cc /2, no load 80 85 db supply voltage rejection ratio ( ? v cc / ? v io ) k svr v cc =3~5v, v ic =v cc /2, no load 85 95 db supply current i cc v o =2.5v, no load 0.55 0.65 ma supply current in shutdown(LV2460) i cc( shdn ) shdn <0.7v 1 a slew rate at unity gain sr 0.9 1.6 v/ s f=100hz 14 equivalent input noise voltage v n f=1khz 11 nv/ hz equivalent input noise current i n f=1khz 0.13 pa/ hz a v =1 0.004 % a v =10 0.01 % total harmonic distortion plus noise thd+n v o(pp) =4v, r l =10k ? , f=1khz a v =100 0.04 % gain-bandwidth product f=10 khz, c l =160pf, r l =10k ? 6.4 mhz 0.1% 1.53 s v (step)pp =2v,r l =10k ? , a v = -1, c l =10pf 0.01% 1.83 s 0.1% 3.13 s setting time t s v (step)pp =2v,r l =10k ? , a v = -1, c l =56pf 0.01% 3.33 s phase margin at unity gain m 45 gain margin r l =10k ? , c l =160pf 7 db
LV2460/2461 preliminary linear integrated circuit unisonic technologies co., ltd 8 of 8 www.unisonic.com.tw qw-r105-056.c ? typical application circuit + - v o r f r1 v i r g c1 single-pole low-pass filter 3db of ig 1 f= 2r1c1 vr1 =(1+ )( ) vr1+sr1c1 C f 3db g r 1 f= ,r= 1 2rc (2 - ) q C utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. utc reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof.
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