Datasheet > LM2878

LM2878

更新时间： 2024-11-22 22:51:55

品牌	Logo	应用领域
美国国家半导体 - NSC		音频放大器
页数	文件大小	规格书
8页	177K
描述
LM2878 Dual 5 Watt Power Audio Amplifier

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LM2878 数据手册

December 1994

LM2878 Dual 5 Watt Power Audio Amplifier

General Description

Features

Wide operating range 6V–32V

The LM2878 is a high voltage stereo power amplifier de-

signed to deliver 5W/channel continuous into 8X loads. The

amplifier is ideal for use with low regulation power supplies

due to the absolute maximum rating of 35V and its superior

power supply rejection. The LM2878 is designed to operate

with a low number of external components, and still provide

flexibility for use in stereo phonographs, tape recorders, and

AM-FM stereo receivers. The flexibility of the LM2878 al-

lows it to be used as a power operational amplifier, power

comparator or servo amplifier. The LM2878 is internally

compensated for all gains greater than 10, and comes in an

11-lead single-in-line package (SIP). The package has been

redesigned, resulting in the slightly degraded thermal char-

acteristics shown in the figure Device Dissipation vs Ambi-

ent Temperature.

5W/channel output

60 dB ripple rejection, output referred

70 dB channel separation, output referred

Low crossover distortion

AC short circuit protected

Internal thermal shutdown

Applications

Stereo phonographs

AM-FM radio receivers

Power op amp, power comparator

Servo amplifiers

Typical Applications

Frequency Response

of Bass Tone Control

TL/H/7934–2

TL/H/7934–1

FIGURE 1. Stereo Phonograph Amplifier with Bass Tone Control

1995 National Semiconductor Corporation

TL/H/7934

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

12 3 4 5 6 7 8

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