LM390 datasheet(1/6 Pages) NSC

Part #	LM390

Description	LM390 1W Battery Operated Audio Power Amplifier

PDF	6 Pages

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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TLH7848

April 1995

LM390 1W Battery Operated Audio Power Amplifier

General Description

The LM390 Power Audio Amplifier is optimized for 6V 75V

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

inputs are ground referenced while the output is automati-

cally biased to one half the supply voltage

Features

Y

Battery operation

Y

1W output power

Y

Minimum external parts

Y

Excellent supply rejection

Y

Ground referenced input

Y

Self-centering output quiescent voltage

Y

Variable voltage gain

Y

Low distortion

Y

Fourteen pin dual-in-line package

Applications

Y

AM-FM radio amplifiers

Y

Portable tape player amplifiers

Y

Intercoms

Y

TV sound systems

Y

Lamp drivers

Y

Line drivers

Y

Ultrasonic drivers

Y

Small servo drivers

Y

Power converters

Equivalent Schematic and Connection Diagrams

TLH7848 – 1

Dual-In-Line Package

TLH7848 – 2

Order Number LM390N

See NS Package Number N14A

C1995 National Semiconductor Corporation

RRD-B30M115Printed in U S A

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LM390 Datasheet(PDF) 1 Page - National Semiconductor (TI)

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