BA3131 Ver la hoja de datos (PDF) - ROHM Semiconductor

Número de pieza

componentes Descripción

Fabricante

BA3131

Dual operational amplifier with switch,for audio use (3 inputs ×1 output ×2)

ROHM Semiconductor 

Standard ICs

!Measurement circuit

BA3131FS

C2

0.1µF

RK

50kΩ

RK

500kΩ

EK

C1

0.1µF

S1

Rs

50Ω

Rs

50Ω

VCC

VO

Ri

10kΩ

+

DUT

–

Ri

10kΩ

S3

S4

RK

500kΩ

C3

1000pF

15V

–

NULL

VF

+

– 15V

S2

Rf

50kΩ

RL1

RL2

2kΩ

10kΩ

VR

Vref

Vref

Vref

∗ C2 and C3 are used to prevent oscillation (adjustment required)

Fig.1

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