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NJU7027 13 a/ch, rail-to-rail output dual cmos operational amplifier general description package outline the NJU7027 is a low power, dual cmos operational amplifier. it is tolerant to rf noise. the NJU7027 can operate from a single-supply voltage of +1.8v to +5.5v. in addition, this amplifier features rail-to-rail ou tput and low input bias current (1pa). because of these featur es, the NJU7027 is ideal for low side current sense amplifier. the very low supply current of the NJU7027 (13 a/ch) makes it suitable for battery-operated application. nju 7 027rb1 features ?low supply current 13 a/ch typ. (at v dd = 5v), 12 a/ch typ. (at v dd = 3v) 11 a/ch typ. (at v dd = 1.8v) ?low operating voltage vopr= 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 =100k ) v oh =4.8v min./ v ol =0.2v max. (at v dd = 5v, i o =1ma) ?package tvsp8 ?enhanced rf noise immunity ?cmos process application ?battery-operated application ?battery monitor ?current sensor ?photodiode amplification pin configuration (top view) 1 2 3 5 4 7 6 8 pin function 1. a output 2. a -input 3. a +input 4. gnd 5. b +input 6. b ?input 7. b output 8. v + - 1 - ver.2010-10-26
NJU7027 absolute maximum ratings ( ta = 2 5 ? c, unless otherwise noted.) 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 410 (note2) mw operating temperature range t opr -40 to +85 ? c storage temperature range t stg -55 to +125 ? c (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. 0 100 200 300 400 500 600 5 25456585105125 ambient temperature ta (oc) power dissipation pd (mw) pd=-4.1mw/oc(note2) figure1 power dissipation derating curve recommended operating condition ( ta = 2 5 ? c) parameter symbol rating unit supply voltage v dd 1.8 to 5.5 v - 2 - ver.2010-10-26
NJU7027 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 - 26 40 a input offset voltage v io vic=0v, r s =50 ? - 0.9 4 mv input offset voltage drift vio/ t - 1.5 - v/oc input bias current i b b - 1 - pa input offset current i io - 1 - pa open loop gain a v vo=0.5v to 4.5v, r l =100k ? 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 =100k ? to 2.5v 4.9 4.95 - v maximum output voltage 1 v ol 1 r l =100k ? to 2.5v - 0.05 0.1 v v oh 2 r l =100k ? to 0v 4.9 4.95 - v maximum output voltage 2 v ol 2 r l =100k ? to 0v - 0.02 0.05 v v oh 3 isource=1ma 4.8 4.85 - v maximum output voltage 3 v ol 3 isink=1ma - 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 =100k ? to 2.5v, c l =20pf, f=10khz - 160 - khz phase margin m r l =100k ? to 2.5v, c l =20pf - 80 - deg gain margin g m r l =100k ? to 2.5v, c l =20pf - 15 - db equivalent input noise voltage e n f=1khz - 50 - nv/ hz channel separation cs f=1khz - 120 - db slew rate sr g v =0db, r l =100k ? to 2.5v, c l =20pf, vin=3vpp (1v to 4v) (note4) (note5) - 0.05 - v/us power bandwidth pbw g v =6db, r f =50k ? , r g =50k ? , c l =20pf, vin=2.5vpp (1.25v to 3.75v), vo 4.8vpp (note6) - 5 - khz total harmonic distortion thd g v =6db, r f =50k ? , r g =50k ? , c l =20pf, vo=4vpp, f=100hz (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 . - 3 - ver.2010-10-26
NJU7027 electrical characteristics dc character (v dd =3v, v ss =0v, ta = 2 5 ? c, unless otherwise noted.) parameter symbol test condition min. typ. max. unit supply current i dd no signal - 24 36 a input offset voltage v io vic=0v, r s =50 ? - 0.9 4 mv input offset voltage drift vio/ t - 1.5 - v/oc input bias current i b b - 1 - pa input offset current i io - 1 - pa open loop gain a v vo=0.5v to 2.5v, r l =100k ? to 1.5v 70 90 - db common mode rejection ratio cmr v icm =0v to 2.1v 65 80 - db supply voltage rejection ratio svr v dd =1.8v to 5.5v 70 90 - db v oh 1 r l =100k ? to 1.5v 2.9 2.95 - v maximum output voltage 1 v ol 1 r l =100k ? to 1.5v - 0.05 0.1 v v oh 2 r l =100k ? to 0v 2.9 2.95 - v maximum output voltage 2 v ol 2 r l =100k ? to 0v - 0.02 0.05 v v oh 3 isource=1ma 2.8 2.85 - v maximum output voltage 3 v ol 3 isink=1ma - 0.15 0.2 v common mode input voltage range v icm cmr 65db 0 - 2.1 v ac character (v dd =3v, v ss =0v, ta = 2 5 ? c, unless otherwise noted.) parameter symbol test condition min. typ. max. unit gain bandwidth product gbw r l =100k ? to 1.5v, c l =20pf, f=10khz - 150 - khz phase margin m r l =100k ? to 1.5v, c l =20pf - 80 - deg gain margin g m r l =100k ? to 1.5v, c l =20pf - 15 - db equivalent input noise voltage e n f=1khz - 50 - nv/ hz channel separation cs f=1khz - 115 - db slew rate sr g v =0db, r l =100k ? to 1.5v, c l =20pf, vin=1vpp (1v to 2v) (note4) (note5) - 0.05 - v/us power bandwidth pbw g v =6db, r f =50k ? , r g =50k ? , c l =20pf, vin=1.5vpp (0.75v to 2.25v), vo 2.8vpp (note6) - 8 - khz total harmonic distortion thd g v =6db, r f =50k ? , r g =50k ? , c l =20pf, vo=2vpp, f=100hz (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 . - 4 - ver.2010-10-26
NJU7027 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 - 22 34 a input offset voltage v io vic=0v, r s =50 ? - 0.9 4 mv input offset voltage drift vio/ t - 1.5 - v/oc input bias current i b b - 1 - pa input offset current i io - 1 - pa open loop gain a v vo=0.5v to 2.5v, r l =100k ? to 0.9v 70 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 =100k ? to 0.9v 1.7 1.75 - v maximum output voltage 1 v ol 1 r l =100k ? to 0.9v - 0.05 0.1 v v oh 2 r l =100k ? to 0v 1.7 1.75 - v maximum output voltage 2 v ol 2 r l =100k ? to 0v - 0.02 0.05 v v oh 3 isource=0.5ma 1.5 1.55 - v maximum output voltage 3 v ol 3 isink=0.5ma - 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 =100k ? to 0.9v, c l =20pf, f=10khz - 140 - khz phase margin m r l =100k ? to 0.9v, c l =20pf - 80 - deg gain margin g m r l =100k ? to 0.9v, c l =20pf - 15 - db equivalent input noise voltage e n f=1khz - 50 - nv/ hz channel separation cs f=1khz - 110 - db slew rate sr g v =0db, r l =100k ? to 1.5v, c l =20pf, vin=0.5vpp (0.3v to 0.8v) (note4) (note7) - 0.05 - v/us power bandwidth pbw g v =6db, r f =50k ? , r g =50k ? , c l =20pf, vin=0.9vpp (0v to 0.9v), vo 1.6vpp (note8) - 14 - khz total harmonic distortion thd g v =6db, r f =50k ? , r g =50k ? , c l =20pf, vo=1vpp, f=100hz (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.. - 5 - ver.2010-10-26
NJU7027 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 2-2:measurement circuit 2 figure 2-1:measurement circuit 1 figure 2-3:measurement circuit 3 figure 2-4:measurement circuit 4 - 6 - ver.2010-10-26
NJU7027 typical characteristics supply current vs. supply voltage (temperature) g v =0db 0 5 10 15 20 25 30 01234567 supply voltage [v] supply current [ a] ta=-40oc ta=-50oc ta=125oc ta=85oc ta=25oc supply current vs. temperature (supply voltage) g v =0db 0 5 10 15 20 25 30 -50 -25 0 25 50 75 100 125 ambient temperature [oc] supply current [ a] v dd =3v v dd =5.5v v dd =5v v dd =1.8v input offset voltage vs. common mode input voltage (temperature) v dd =3v -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 common mode in put voltage[v] input offset voltage[mv] ta=-40oc ta=25oc ta=85oc 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 75 100 125 150 ambient temperature[oc] input offset voltage[mv] v dd =5v v dd =1.8v v dd =3v input offset voltage drift distribution v dd =3v, v icm =0v, ta=-40 to 85oc, n=100 0 5 10 15 20 25 30 35 40 45 50 -4.5 -3.5 -2.5 -1.5 -0.5 0.5 1.5 2.5 3.5 4.5 input offset voltage drift [ v/oc] number of amplifier input offset voltage distribution v dd =3v, v icm =0v, ta=25oc, n=100 0 5 10 15 20 25 30 35 40 45 50 -4.5 -3.5 -2.5 -1.5 -0.5 0.5 1.5 2.5 3.5 4.5 input offset voltage[mv] number of amplifier - 7 - ver.2010-10-26
NJU7027 typical characteristics cmr vs. temperature (supply voltage) v icm =0v to v dd -0.9v 0 20 40 60 80 100 120 -50 -25 0 25 50 75 100 125 ambient temperature [oc] common mode rejection ratio [db] v dd =5v v dd =3v v dd =1.8v svr vs. temperature v dd =1.8v to 5.5v 0 20 40 60 80 100 120 -50 -25 0 25 50 75 100 125 ambient temperature [oc] supply voltage rejection ratio [db] gain vs. temperature v o =0.5v to v dd -0.5v, r l =100k ? to v dd /2 0 20 40 60 80 100 120 -50 -25 0 25 50 75 100 125 ambient temperature [oc] voltage gain [db] v dd =5v v dd =3v v dd =1.8v output voltage vs. output current (temperature) v dd =5v, v cm =2.5v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.001 0.01 0.1 1 10 100 output current [ma] output voltage [v] ta=85oc ta=-40oc ta=25oc ta=85oc ta=-40oc ta=25oc output voltage vs. output current (temperature) v dd =3v, v cm =1.5v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.001 0.01 0.1 1 10 100 output current [ma] output voltage [v] ta=85oc ta=-40oc ta=25oc ta=85oc ta=-40oc ta=25oc output voltage vs. output current (temperature) v dd =1.8v, v cm =0.9v 0.0 0.3 0.6 0.9 1.2 1.5 1.8 0.001 0.01 0.1 1 10 100 output current [ma] output voltage [v] ta=85oc ta=-40oc ta=25oc ta=85oc ta=-40oc ta=25oc - 8 - ver.2010-10-26
NJU7027 typical characteristics closed-loop gain/phase vs. frequency (supply voltage) r f =1m ? , r g =1k ? , r l =100k ? , c l =20pf, ta=25oc -60 -40 -20 0 20 40 60 100 1k 10k 100k 1m 10m frequency[hz] voltage gain [db] -180 -120 -60 0 60 120 180 phase[deg] v dd =5v v dd =5v v dd =3v v dd =1.8v v dd =3v v dd =1.8v gain phase open-loop gain/phase vs. frequency (load capacitance) v dd =3v, r f =1m ? , r g =1k ? , r l =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 60 120 180 phase[deg] gain phase c l =20pf c l =100pf c l =150pf c l =150pf c l =20pf c l =100pf thd+noise vs. output voltage v dd =3v, gv=6db, r f =50k ? , c l =20pf bw=10hz-500khz, ta=25oc 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 output voltage [vrms] total harmonic distortion+noise [%] f=100hz f=20hz voltage noise vs. frequency v dd =3v, g v =40db, r f =100k ? , r g =1k ? , ta=25oc 0 25 50 75 100 125 150 175 200 1 10 100 1k 10k frequency [hz] equivalent input noise voltage [nv/ hz] channel separation vs. frequency v dd =3v, g v =-100, r s =1k, r l =open, v o =0.5vrms, ta=25oc -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 10 100 1k 10k 100k frequency [hz] channel separation [db] a to b b to a - 9 - ver.2010-10-26
NJU7027 typical characteristics pulse response (load capacitance) v dd =3v, gv=0db, r l =100k ? , ta=25oc -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 10 s/div. 0.5v/div. -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 c l =120pf c f =100pf c l =20pf input output pulse response (load capacitance) v dd =3v, gv=0db, r l =100k ? , ta=25oc -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 10 s/div. 0.5v/div. -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 c l =120pf c l =100pf c l =20pf input output - 10 - ver.2010-10-26
NJU7027 memo [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. - 11 - ver.2010-10-26

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