Rainbow-electronics BA3131FS User Manual

BA3131FSStandard ICsDual operational amplifier with switch,for audio use (3 inputs × 1 output × 2)BA3131FSThe BA3131FS contains two built-in circuits

BA3131FSStandard ICs!!!!Absolute maximum ratings (Ta=25°C)Parameter Symbol Limits UnitPower supply voltage VPower dissipation 750∗mWOperating temperat

BA3131FSStandard ICs!!!!Measurement circuitRKRK50kΩ500kΩRK500kΩ0.1µFC20.1µF1000pFC1C315VEKVF– 15V–++–DUTNULLVCCVOS1RiRi10kΩRs50Ω10kΩRs50ΩVrefVrefVRVre

BA3131FSStandard ICs!!!!Measurement conditions (Figure 1)Measurement Item EK EquationInput offset voltage 8 — ON ON OFF OFF 1Input offset current 8 —

BA3131FSStandard ICs!!!!Measurement circuitsVref–+AVccIqFig.2 Iq Vref+–Vref VrefVVcc1V2kor10kΩVoHFig. 3 Maximum out

BA3131FSStandard ICs+–VrefVrefVcc100kΩ0.47µF3.3µF1k47µF2.2kΩ 56kΩ100kΩB.P.F20Hz ~ 30kHzVonVn =Von1 ÷100 × 101 × 1033Fig. 8 Input conversion noise volt

BA3131FSStandard ICs!!!!Application example2011921831741651561471381291110Aamp: Gv = 20dBBamp: Gv = 10dBCamp: Gv = 0dBOUT2Vcc = 8VC7 C8 C9 C10100µ 0

BA3131FSStandard ICs!!!!Operation notes(1) Pin 13 is the reference output pin, from which 1 / 2 Vcc is output. The value for the bypass capacitor shou

BA3131FSStandard ICs!!!!Electrical characteristic curvesDISTN (THD + Vn) (%) FREQUENCY: f (Hz)0.0050.010.050.10.512050100 500 1k 5k 10k 20kVcc = 8VGv