NJM2783 Ver la hoja de datos (PDF) - Japan Radio Corporation

Número de pieza

componentes Descripción

Fabricante

NJM2783

Monaural Microphone Amplifier with ALC

Japan Radio Corporation  

NJM2783

"CONTROL TERMINAL EXPLANATION

GAIN SW (13 pin)

MODE

0dB

+20dB

STATUS

L

H

NOTE

The gain of microphone amplifier is not increased.

The gain of microphone amplifier is increased +20dB.

"TEST CIRCUIT

V+

VIN

0.47µF VIL

VIH

1µF

RSENSE

10µF

10µF

V+

14

13

12

11

10

9

8

IN

GAIN SW INT

SENSE

VREF

V+

GND

Detector

Bias

GAIN1

1

GAIN2

2

RG2

RG1

10µF

DET

3

OUT

4

BUFFIN

5

BUFFGAIN BUFFOUT

6

7

0.47µF

1µF

4.7µF

4.7µF

VR

10kΩ

V

4.7kΩ

–4–

Version 7.0E

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