LM1876_03 Datasheet

IC型号：
LM1876_03
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National Semiconductor [Dual 20W Audio Power Amplifier with...
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LM1876 Overture

鈩?/div>

Audio Power Amplifier Series

Dual 20W Audio Power Amplifier with Mute and Standby Modes

July 2003

LM1876

Overture

鈩?/div>

Audio Power Amplifier Series

Dual 20W Audio Power Amplifier with Mute and Standby

Modes

General Description

The LM1876 is a stereo audio amplifier capable of delivering

typically 20W per channel of continuous average output

power into a 4鈩?or 8鈩?load with less than 0.1% THD+N.

Each amplifier has an independent smooth transition fade-

in/out mute and a power conserving standby mode which

can be controlled by external logic.

The performance of the LM1876, utilizing its Self Peak In-

stantaneous Temperature (藲Ke) (SPiKe

鈩?/div>

) protection cir-

cuitry, places it in a class above discrete and hybrid amplifi-

ers by providing an inherently, dynamically protected Safe

Operating Area (SOA).

SPiKe

protection means that these

parts are safeguarded at the output against overvoltage,

undervoltage, overloads, including thermal runaway and in-

stantaneous temperature peaks.

Key Specifications

THD+N at 1kHz at 2 x 15W continuous average

output power into 4鈩?or 8鈩?

THD+N at 1kHz at continuous average

0.1% (max)

0.009% (typ)

4.2mA (typ)

output power of 2 x 20W into 8鈩?

Standby current:

Features

SPiKe protection

Minimal amount of external components necessary

Quiet fade-in/out mute mode

Standby-mode

Isolated 15-lead TO-220 package

Non-Isolated 15-lead TO-220 package

Wide supply range 20V - 64V

Applications

High-end stereo TVs

Component stereo

Compact stereo

Connection Diagram

Plastic Package

01207202

Top View

Isolated Package

Order Number LM1876TF

See NS Package Number TF15B

Non-Isolated Package

Order Number LM1876T

See NS Package Number TA15A

SPiKe

鈩?/div>

Protection and

Overture

鈩?/div>

are trademarks of National Semiconductor Corporation.

漏 2003 National Semiconductor Corporation

DS012072

www.national.com

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