Datasheet > GP34119

GP34119

更新时间： 2024-11-13 03:39:47

品牌	Logo	应用领域
其他 - ETC		音频放大器
页数	文件大小	规格书
8页	551K
描述
LOW POWER AUDIO AMPLIFIER

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中文翻译

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数据手册

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GP34119 数据手册

ISSUED DATE :2005/02/18

REVISED DATE :

GTM

CORPORATION

GP34119

L O W P O W E R A U D I O A M P L I F I E R

Description

The GP34119 is a low power audio amplifier integrated circuit intended (primarily) for telephone applications, such as in speakerphones. It

provides differential speaker outputs to maximize output swing at low supply voltages (2.0V minimum). Coupling capacitors to the speaker

are not required. Open loop gain is 80 dB, and the closed loop gain is set with two external resistors. A Chip Disable pin permits powering

down and/or muting the input signal.

Features

Wide Operating Supply Voltage Range (2.0V to 16V), Allows Telephone Line Powered Applications

Low Quiescent Supply Current (2.7mA Typ) for Battery Powered Applications

Chip Disable Input to Power Down the IC

Low Power-Down Quiescent Current (65uA Typ)

Drives a Wide Range of Speaker Loads (8.0Өʳ and Up)

Output Power Exceeds 250 mW with 32Өʳ Speaker

Low Total Harmonic Distortion (0.5% Typ)

Gain Adjustable from <0 dB to >46 dB for Voice Band

Requires Few External Components

Package Dimensions

GAUGE PLANE

Millimeter

REF.

Min.

Max.

0.5334

Min.

Max.

0.279

10.16

7.112

8.255

0.203

9.017

6.096

7.620

0.381

2.921

0.356

1.143

0.762

0.203

4.953

0.559

0.508

1.778

1.143

0.356

SEATING PLANE

2.540 BSC

SECTION Z - Z

10.92

3.810

2.921

DIP-8

Block Diagram and Simplified Application & Pin Configuration

GP34119

Page: 1/8

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