LM4877IBPX

更新时间： 2024-11-03 22:22:19

品牌	Logo	应用领域
美国国家半导体 - NSC		商用集成电路放大器功率放大器
页数	文件大小	规格书
14页	431K
描述
1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low

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LM4877IBPX 数据手册

February 2000

LM4877

1 Watt Audio Power Amplifier in micro SMD package

with Shutdown Logic Low

General Description

Key Specifications

The LM4877 is a bridge-connected audio power amplifier ca-

pable of delivering 1 W of continuous average power to an

8Ω load with less than .2% (THD) from a 5V power supply.

n Power Output at 0.2% THD

n Shutdown Current

1 W (typ)

0.01 µA (typ)

Boomer audio power amplifiers were designed specifically to

provide high quality output power with a minimal amount of

external components. Since the LM4877 does not require

output coupling capacitors or bootstrap capacitors. It is opti-

mally suited for low-power portable applications.

Features

n micro SMD package (see App. note AN-1112)

n 5V - 2V operation

n No output coupling capacitors or bootstrap capacitors.

n Unity-gain stable

n External gain configuration capability

The LM4877 features an externally controlled, low-power

consumption shutdown mode, as well as an internal thermal

shutdown protection mechanism.

The unity-gain stable LM4877 can be configured by external

gain-setting resistors.

Applications

n Cellular Phones

n Portable Computers

n Low Voltage Audio Systems

Typical Application

Connection Diagram

8 Bump micro SMD

DS101290-23

Top View

Order Number LM4877IBP, LM4877IBPX

See NS Package Number BPA08B6B

DS101290-1

FIGURE 1. Typical Audio Amplifier Application Circuit

Boomer^®is a registered trademark of National Semiconductor Corporation.

DS101290

www.national.com

12 3 4 5 6 7...14

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LM4878IBPX	NSC	获取价格	1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low
LM4878IBPX/NOPB	TI	获取价格	1W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8, MICRO, SMD-8
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