LM1876

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SNAS097C – MAY 1999 – REVISED APRIL 2013

LM1876 Overture™ Audio Power Amplifier Series

Dual 20W Audio Power Amplifier with Mute and Standby Modes

Check for Samples: LM1876

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FEATURES

DESCRIPTION

The LM1876 is a stereo audio amplifier capable of

23

•

SPiKe Protection

delivering typically 20W per channel of continuous

•

Minimal Amount of External Components

average output power into a 4

Ω or 8Ω load with less

Necessary

than 0.1% THD+N.

•

Quiet Fade-In/Out Mute Mode

Each amplifier has an independent smooth transition

•

Standby-Mode

fade-in/out mute and a power conserving standby

mode which can be controlled by external logic.

•

Isolated 15-Lead TO-220 Package (PFM)

•

Non-Isolated 15-lead TO-220 Package

The performance of the LM1876, utilizing its Self

Peak Instantaneous Temperature (°Ke) ( SPiKe™)

•

Wide Supply Range 20V - 64V

protection circuitry, places it in a class above discrete

and hybrid amplifiers by providing an inherently,

APPLICATIONS

dynamically protected Safe Operating Area (SOA).

•

High-End Stereo TVs

SPiKe

protection

means

that

these

parts

are

safeguarded

at

the

output

against

overvoltage,

•

Component Stereo

undervoltage, overloads, including thermal runaway

•

Compact Stereo

and instantaneous temperature peaks.

KEY SPECIFICATIONS

•

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

averageoutput power into 4

Ω or 8Ω: 0.1%

(max)

•

THD+N at 1kHz at continuous average output

power of 2 x 20W into 8

Ω: 0.009% (typ)

•

Standby current: 4.2mA (typ)

Connection Diagram

Figure 1. Plastic Package- Top View

Isolated Package (PFM)

See Package Number NDB0015B

Non-Isolated Package

See Package Number NDL0015A

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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Overture, SPiKe are trademarks of dcl_owner.

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All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 1999–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.