njm14558 dual operational amplifier general description package outline the njm14558 is dual operational amplifier, which can operate from 2v supply. the features are low offset voltage, low bias current and low current consumption. the package lineup is dip, dmp and others compact, which is son (small package on leadless), so that the njm14558 is suitable for portable audio and any kind of signal amplifier. features operating voltage (2.0v to 7.0v) input offset voltage (3mv max.) slew rate (2.5v/ s typ.) bipolar technology package outline dip8,dmp8,emp8,ssop8, vsp8,sip8 pin configuration a b 1 8 2 7 3 6 4 5 a b 12345678 njm 1 4558/ 1 4558m/ 1 4558e njm 1 4558l njm 1 4558v/ 1 4558r equivalent circuit ( 1 /2 shown) v + v - output - input +input pin function 1 . a output 2. a -input 3. a +input 4. v - 5. b +input 6. b -input 7. b output 8. v + njm 1 4558d njm 1 4558m njm 1 4558e njm 1 4558v njm 1 4558r njm 1 4558l
njm14558 abosolute maximum ratings (ta=25 c) parameter symbol ratings unit supply voltage v + /v - 7.5 v differential input voltage v id 1 4 v input voltage v ic 7 (note) v power dissipation p d (dip8) 500 (dmp8) 300 (emp8) 300 (ssop8) 250 (vsp8) 320 (sip8) 800 mw operating temperature range topr - 40 to +85 c storage temperature range tstg - 40 to + 1 25 c (note) for supply voltage less electrical characteristics ( v + /v - =5v, ta=25 c) parameter symbol test condition min. typ. max. unit operating voltage vopr 2 - 7 v input offset voltage v io r s 1 0k ? - 0.5 3 mv input offset current i io - 5 50 na input bias current i b - 70 250 na input resistance r in 0.3 5 - m ? large signal voltage gain a v r l 2k ? ,v o =3v 86 1 00 - db maximum output voltage swing (+) v om + r l 2k ? 3.5 4.0 - v maximum output voltage swing (-) v om - r l 2k ? - - 3.5 - 3.0 v input common mode voltage range v icm 3.0 4.0 - v common mode rejection ratio cmr r s 1 0k ? 70 90 - db supply voltage rejection ratio svr r s 1 0k ? 76.5 90 - db operating current i cc - 2.7 4.5 ma slew rate sr - 2.5 - v/ s equivalent input noise voltage v ni riaa,r s =2.2k ? ,30khz:lpf - 1 .4 - vrms gain bandwidth product gb - 5 - mhz
njm14558 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.
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