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NJM2769B

HEADPHONE AMPLIFIER for CD-ROM

Japan Radio Corporation  

NJM2769B

HEADPHONE AMPLIFIER for CD-ROM

GENERAL DESCRIPTION

The NJM2769B is a headphone amplifier designed for CD-

ROM.

It includes 6dB closed loop gain and mute circuit, requires

few external component.

The NJM2769B realizes very low turn-noise at mute mode.

It is suitable for CD-ROM, and other general audio

headphone amplifier application.

PACKAGE OUTLINE

NJM2769BM

NJM2769BRB1

FEATURES

Operating Voltage

Operating Current

Fixed Gain

Stereo Headphone Output

Internal Mute Circuit

Bipolar Technology

Package Outline

2.8 to 5.5V

2mA typ. at V+=5V

6dB typ.

DMP8,TVSP8

PIN CONFIGURATION

1

8

2

7

3

6

4

5

PIN FUNCTION

1.OUT1

2.MUTE

3.IN1

4.GND

5.IN2

6.BIAS

7.OUT2

8.V+

BLOCK DIAGRAM

8765

BIAS

MUTE

1234

-1-

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