LM831 datasheet(1/14 Pages) NSC

Part #	LM831

Description	LM831 Low Voltage Audio Power Amplifier

PDF	14 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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1 / 14 page

TLH6754

December 1994

LM831 Low Voltage Audio Power Amplifier

General Description

The LM831 is a dual audio power amplifier optimized for

very low voltage operation The LM831 has two indepen-

dent amplifiers giving stereo or higher power bridge (BTL)

operation from two- or three-cell power supplies

The LM831 uses a patented compensation technique to re-

duce high-frequency radiation for optimum performance in

AM radio applications This compensation also results in

lower distortion and less wide-band noise

The input is direct-coupled to the LM831 eliminating the

usual coupling capacitor Voltage gain is adjustable with a

single resistor

Features

Y

Low voltage operation 18V to 60V

Y

High power 440 mW 8X BTL 3V

Y

Low AM radiation

Y

Low noise

Y

Low THD

Applications

Y

Portable tape recorders

Y

Portable radios

Y

Headphone stereo

Y

Portable speakers

Typical Application

Dual Amplifier with Minimum Parts

TLH6754 – 1

AVe46 dBBWe250 Hz to 35 kHz

POUT e 220 mWChRL e 4X

C1995 National Semiconductor Corporation

RRD-B30M115Printed in U S A

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LM831 Datasheet(PDF) 1 Page - National Semiconductor (TI)

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