Datasheet > NJM2772

NJM2772

更新时间： 2024-11-08 22:51:47

品牌	Logo	应用领域
NJRC		放大器便携式
页数	文件大小	规格书
4页	59K
描述
LOW-VOLTAGE HEADPHONE AMPLIFIER for PORTABLE-AUDIO

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NJM2772 数据手册

NJM2772

LOW-VOLTAGE HEADPHONE AMPLIFIER for PORTABLE-AUDIO

■ GENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJM2772 is a low voltage headphone amplifier for

portable audio.

The NJM2772 includes mute circuit, center amplifier and

beep input, reduce the external parts, standby circuit and

center amplifier with ON/OFF, applies to low current

consumption. The mute function reduces the turn-noise at

standby mode.

NJM2772V

The NJM2772 is suitable for portable MD, CD, and others

portable audio system with headphone amplifier.

■ FEATURES

■ Operating Voltage

■ Operating Current

V⁺=1.8-4.5V

1.2mA typ. @Center Amp. Off

2.0mA typ. @Center Amp. On

18µA typ.

6mWmin. @R_L=16Ω, THD=10%

11.5dB typ.

■ Low Standby Current

■ High Output Power

■ Fixed Gain

■ Package Outline

■ Bipolar Technology

SSOP14

■ PIN CONFIGURATION & BLOCK DIAGRAM

Pin Function

1.STBY

2.INA

3.CenterSW

4.V_REF

STBY

DNC

PA-A

OUTA

V⁺

INA

CenterSW

5. BEEP

6.INB

7.MUTE

8.MuteTC

9.OUTB

10.GND

11.OUTC

12. V⁺

PA-C

Vref

OUTC

GND

Vref

BEEP

INB

PA-B

OUTB

MuteTC

13.OUTA

14.DNC

MUTE

Note)DNC(14pin):Do not connect

- 1 -

12 3 4

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