- 1 - NJU7058 ve r .2012-04-27 rail-to-rail output quad cmos operational amplifier general description the NJU7058 is a quad 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 NJU7058 can operate from a single-supply voltage of +1.8v to +5.5v. in addition, this amplifier f eatures rail-to-rail output and low input bias current (1pa). features low operating voltage 1.8v to 5.5v voltage noise 15nv/ hz (typ.) (at v dd = 5v, f=1khz) 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) package ssop14 enhanced rf noise immunity cmos process application sensor amplifiers photodiode amplifiers low noise signal processing applications microphone amplifiers battery-operated application pin configuration (top view) package outline NJU7058 v (ssop14) pin function 1. output 1 8. output 3 2. -input 1 9. -input 3 3. +input 1 10. +input 3 4. v dd 11. v ss 5. +input 2 12. +input 4 6. -input 2 13. -input 4 7. output 2 14. output 4 1 2 3 4 14 13 12 11 5 6 7 10 9 8 1 23 4 (top view)
NJU7058 - 2 - ver.2012-04-27 absolute maximum ratings (note1) for supply voltage less than +7v, the absol ute 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 p d 400[ssop14] (note2) mw operating temperature range t opr -40 to +85 ? c storage temperature range t stg -55 to +125 ? c 0 100 200 300 400 500 -25 0 25 50 75 100 125 ambient temperature ta (c) power dissipation pd (mw) ssop14 figure. power dissipation curve
NJU7058 - 3 - ver.2012-04-27 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 - 1.1 1.7 ma 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 channel separation cs f=1khz - 120 - db 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 .
NJU7058 - 4 - ver.2012-04-27 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 - 0.9 1.5 ma 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 1.3v, r l =10k ? to 0.9v 65 90 - 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 channel separation cs f=1khz - 110 - db 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..
NJU7058 - 5 - ver.2012-04-27 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
NJU7058 - 6 - ver.2012-04-27 electrical characteristics input offset voltage vs temperature (supply voltage) v icm =v dd /2 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 -50 -25 0 25 50 75 100 125 ambient temperature[oc] input offset voltage[mv] v dd =5v v dd =1.8v supply current vs temperature gv=0db 0 200 400 600 800 1000 1200 1400 -50 -25 0 25 50 75 100 125 ambient temperature[oc] supply current[a] v dd =5v v dd =1.8v input offset voltage distribution v dd =5v, v icm =0v, ta=25oc, n=60 0 5 10 15 20 25 30 35 -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 -7-6-5-4-3-2-11234567 input offset voltage drift [v/oc] number of amplifier supply current vs supply voltage gv=0db 0 200 400 600 800 1000 1200 1400 01234567 supply voltage[v] supply current[a] ta=85oc ta=25oc ta=-40oc 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
NJU7058 - 7 - ver.2012-04-27 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 rejection ratio [db] v dd =5v v dd =1.8v 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 0.01 0.1 1 10 100 output current [ma] output voltage [v] ta=85oc ta=25oc ta=-40oc ta=85oc ta=25oc ta=-40oc output voltage vs output current (temperature) v dd =1.8v, v icm =0.9v 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0.01 0.1 1 10 output current [ma] output voltage [v] ta=85oc ta=25oc ta=-40oc ta=85oc ta=25oc ta=-40oc open-loop gain vs temperature v out =0.5v 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] 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] total harmonic distortion +noise [%] f=1khz f=500hz f=100hz
NJU7058 - 8 - ver.2012-04-27 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/phasevs.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] gain[db] -180 -120 -60 0 60 120 180 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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