- 1 - nju7056 ver.2012-10-30 rail-to-rail output single cmos operational amplifier general description package outline the nju7056 is a single cmos operational amplifier that feature low noise as v ni =15nv/ hz (at v dd = 5v, f=1khz). it is tolerant to rf noise. the nju7056 can operate from a single-supply voltage of +1.8v to +5.5v. in addition, this amplifier features rail-to-rail output and low input bias current (1pa). features voltage noise 15nv/ hz (typ.) (at v dd = 5v, f=1khz) low operating voltage 1.8v to 5.5v rail-to-rail output v oh =4.9v min./ v ol =0.1v max. (at v dd = 5v, r l =10k ? ) v oh =4.8v min./ v ol =0.2v max. (at v dd = 5v, i o =2ma) enhanced rf noise immunity cmos process package sot-23 ? 5, sc88a application sensor amplifiers photodiode amplifiers low noise signal processing applications microphone amplifiers battery-operated application pin configuration nju7 0 5 6f (sot ? 23 ? 5) nju7056f 3 (sc88a) pin function 1: +input 2: gnd 3: -input 4: output 5: vdd 1 2 3 5 4 (top view)
nju7056 - 2 - ver.2012-10-30 absolute maximum ratings (note1) for supply voltage less than +7v, the absolute maximum rating is equal to the supply voltage. (note2) eia/jedec standard test board (76.2 x 114.3 x 1.6mm, 2layers, fr-4) mounting. (note3) do not exceed ?power dissipation: p d ? in which power dissipation in ic is shown by the absolute maximum rating. see figure ?power dissipation curve? when ambient temperature is over 25 ? c. recommended operating condition ( ta = 2 5 ? c) parameter symbol rating unit supply voltage v dd 1.8 to 5.5 v parameter symbol ratings unit supply voltage v dd +7 v input common mode voltage v icm v ss -0.3 to v dd +0.3 v differential input voltage v id 7 (note1) v power dissipation (note3) p d 390[sot ? 23 ? 5],280[sc88a] (note2) mw operating temperature range t opr -40 to +85 ? c storage temperature range t stg -55 to +125 ? c power dissipation curve 0 100 200 300 400 500 0 20406080100 ambient temperature ta (oc) power dissipation p d (mw) sot-23-5 sc88a
nju7056 - 3 - ver.2012-10-30 electrical characteristics dc character (v dd =5v, v ss =0v, ta = 2 5 ? c, unless otherwise noted.) parameter symbol test condition min. typ. max. unit supply current i dd no signal - 260 420 a input offset voltage v io vic=0v, r s =50 ? - 1 4 mv input offset voltage drift ? vio/ ? t - 0.7 - v/oc input bias current i b - 1 - pa input offset current i io - 1 - pa open loop gain a v vo=0.5v to 4.5v, r l =10k ? to 2.5v 70 90 - db common mode rejection ratio cmr v icm =0v to 4.1v 65 80 - db supply voltage rejection ratio svr v dd =1.8v to 5.5v 70 90 - db v oh 1 r l =10k ? to 2.5v 4.9 4.95 - v maximum output voltage 1 v ol 1 r l =10k ? to 2.5v - 0.05 0.1 v v oh 2 r l =10k ? to 0v 4.9 4.95 - v maximum output voltage 2 v ol 2 r l =10k ? to 0v - 0.02 0.05 v v oh 3 isource=2ma 4.8 4.85 - v maximum output voltage 3 v ol 3 isink=2ma - 0.15 0.2 v common mode input voltage range v icm cmr 65db 0 - 4.1 v ac character (v dd =5v, v ss =0v, ta = 2 5 ? c, unless otherwise noted.) parameter symbol test condition min. typ. max. unit gain bandwidth product gbw r l =10k ? to 2.5v, c l =20pf, f=100khz - 2.1 - mhz phase margin m r l =10k ? to 2.5v, c l =20pf - 80 - deg gain margin g m r l =10k ? to 2.5v, c l =20pf - 10 - db equivalent input noise voltage e n f=1khz - 15 - nv/ hz slew rate sr g v =0db, r l =10k ? to 2.5v, c l =20pf, vin=3vpp (1v to 4v) (note4) (note5) - 0.8 - v/us total harmonic distortion thd g v =6db, r f =50k ? , r g =50k ? , c l =20pf, vo=4vpp, f=1khz (note6) - 0.01 - % (note4) slew rate is defined by the lower value of the rise or fall. (note5) see figure2-1 for test circuit. (note6) see figure2-3 for test circuit .
nju7056 - 4 - ver.2012-10-30 electrical characteristics dc character (v dd =1.8v, v ss =0v, ta = 2 5 ? c, unless otherwise noted.) parameter symbol test condition min. typ. max. unit supply current i dd no signal - 220 380 a input offset voltage v io vic=0v, r s =50 ? - 1 4 mv input offset voltage drift ? vio/ ? t - 0.8 - v/oc input bias current i b - 1 - pa input offset current i io - 1 - pa open loop gain a v vo=0.5v to 2.5v, r l =10k ? to 0.9v 65 80 - db common mode rejection ratio cmr v icm =0v to 0.9v 65 80 - db supply voltage rejection ratio svr v dd =1.8v to 5.5v 70 90 - db v oh 1 r l =10k ? to 0.9v 1.7 1.75 - v maximum output voltage 1 v ol 1 r l =10k ? to 0.9v - 0.05 0.1 v v oh 2 r l =10k ? to 0v 1.7 1.75 - v maximum output voltage 2 v ol 2 r l =10k ? to 0v - 0.02 0.05 v v oh 3 isource=1ma 1.5 1.55 - v maximum output voltage 3 v ol 3 isink=1ma - 0.25 0.3 v common mode input voltage range v icm cmr 65db 0 - 0.9 v ac character (v dd =1.8v, v ss =0v, ta = 2 5 ? c, unless otherwise noted.) parameter symbol test condition min. typ. max. unit gain bandwidth product gbw r l =10k ? to 0.9v, c l =20pf, f=100khz - 1.7 - mhz phase margin m r l =10k ? to 0.9v, c l =20pf - 80 - deg gain margin g m r l =10k ? to 0.9v, c l =20pf - 13 - db equivalent input noise voltage e n f=1khz - 18 - nv/ hz slew rate sr g v =0db, r l =10k ? to 1.5v, c l =20pf, vin=0.5vpp (0.3v to 0.8v) (note4) (note7) - 0.6 - v/us total harmonic distortion thd g v =6db, r f =50k ? , r g =50k ? , c l =20pf, vo=1vpp, f=1khz (note8) - 0.01 - % (note4) slew rate is defined by the lower value of the rise or fall. (note7) see figure2-2 for test circuit. (note8) see figure2-4 for test circuit..
nju7056 - 5 - ver.2012-10-30 measurement circuits v dd r f r g vout vin c l v dd 2 v dd r f r g vout vin c l v dd vout vin c l r l v dd vout vin c l v dd 2 r l figure 2-1:measurement circuit 1 figure 2-2:measurement circuit 2 figure 2-3:measurement circuit 3 figure 2-4:measurement circuit 4
nju7056 - 6 - ver.2012-10-30 electrical characteristics supply current vs. temperature gv=0db 0 50 100 150 200 250 300 350 400 -50 -25 0 25 50 75 100 125 ambient temperature [oc] supply current [a] v dd =5v v dd =1.8v supply current vs. supply voltage gv=0db 0 50 100 150 200 250 300 350 01234567 supply voltage [v] supply current[a] ta=85oc ta=25oc ta=-40oc input offset voltage vs. temperature (supply voltage) v icm =v dd /2 -4 -3 -2 -1 0 1 2 3 4 -50 -25 0 25 50 75 100 125 ambient temperature[oc] input offset voltage [mv] v dd =5v v dd =1.8v input offset voltage vs. common mode input voltage (temperature) v dd =5v -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -2-10123456 common mode input voltage [v] input offset voltage [mv] ta=85oc ta=25oc ta=-40oc input offset voltage distribution v dd =5v, v icm =0v, ta=25oc n=60 0 5 10 15 20 25 30 35 40 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 input offset voltage [mv] number of amplifier input offset voltage drift distribution v dd =5v, v icm =0v, ta=-40oc 85oc n=60 0 5 10 15 20 25 30 35 40 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 input offset voltage drift [v/oc] number of amplifier
nju7056 - 7 - ver.2012-10-30 electrical characteristics svr vs. temperature v dd =1.8v 5.5v 0 20 40 60 80 100 120 140 -50 -25 0 25 50 75 100 125 ambient temperature [oc] supply voltage rejection ratio [db] cmr vs. temperature (supply voltage) v icm =0v vdd-0.9v 0 20 40 60 80 100 120 140 -50 -25 0 25 50 75 100 125 ambient temperature [oc] common mode reiection ratio [db] v dd =5v v dd =1.8v open-loop gain vs temperature v out =0.5v to v dd -0.5, r l =10k ? 0 20 40 60 80 100 120 140 -50 -25 0 25 50 75 100 125 ambient temperature [oc] open-loop gain [db] v dd =5v v dd =1.8v thd + noise vs. output voltage v dd =5v, gv=6db, r g =5k ? , r f =5k ? , ta=25oc 0.0001 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 output voltage [vrms] tatal harmonic distortion + noise[%] f=1khz f=500hz f=100hz output voltage vs. output current (temperature) v dd =1.8v, v icm =0.9 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0.001 0.01 0.1 1 10 output current [ma] out voltage [v] ta=85oc ta=25oc ta=-40oc ta=85oc ta=25oc ta=-40oc output voltage vs. output current (temperature) v dd =5v, v icm =2.5v 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0.001 0.01 0.1 1 10 100 output current [ma] output voltage [v] ta=85oc ta=25oc ta=-40oc ta=85oc ta=25oc ta=-40oc
nju7056 - 8 - ver.2012-10-30 electrical characteristics [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. equivalent input noise voltage vs. frequency v dd =5v, g v =20db, r f =100k ? , r s =100 ? , ta=25oc 0 20 40 60 80 100 120 140 160 180 200 1 10 100 1k 10k frequency [hz] equivalent input noise voltage [nv/ hz] pulse response (load capacitance) v dd =5v, g v =0db, r l =10k ? , ta=25oc 2s/div. 1v/div. input output c l =20pf c l =200pf c l =300pf pulse response (load capacitance) v dd =5v, g v =0db, r l =10k ? , ta=25oc 2s/div. 1v/div. input output c l =20pf c l =200pf c l =300pf gain/phase vs. frequency (load capacitance) v dd =5v, gv=40db, r f =100k ? , ta=25oc -60 -40 -20 0 20 40 60 100 1k 10k 100k 1m 10m frequency [hz] voltage gain [db] -180 -120 -60 0 phase [deg] c l =20pf c l =100pf c l =300pf c l =300pf c l =100pf c l =20pf gain phase
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