Datasheet > LM390

LM390

更新时间： 2024-11-17 22:51:51

品牌	Logo	应用领域
美国国家半导体 - NSC		电池放大器功率放大器
页数	文件大小	规格书
6页	165K
描述
LM390 1W Battery Operated Audio Power Amplifier

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数据手册

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LM390 数据手册

April 1995

LM390 1W Battery Operated Audio Power Amplifier

Self-centering output quiescent voltage

General Description

The LM390 Power Audio Amplifier is optimized for 6V, 7.5V,

9V operation into low impedance loads. The gain is internal-

ly set at 20 to keep the external part count low, but the

addition of an external resistor and capacitor between pins

2 and 6 wil increase the gain to any value up to 200. The

Variable voltage gain

Low distortion

Fourteen pin dual-in-line package

Applications

AM-FM radio amplifiers

Portable tape player amplifiers

Intercoms

inputs are ground referenced while the output is automati-

cally biased to one half the supply voltage.

Features

TV sound systems

Lamp drivers

Battery operation

1W output power

Line drivers

Minimum external parts

Ultrasonic drivers

Small servo drivers

Power converters

Excellent supply rejection

Ground referenced input

Equivalent Schematic and Connection Diagrams

Dual-In-Line Package

TL/H/7848–2

Order Number LM390N

See NS Package Number N14A

TL/H/7848–1

1995 National Semiconductor Corporation

TL/H/7848

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6

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