LM4861MWA

更新时间： 2024-10-26 13:09:23

品牌	Logo	应用领域
美国国家半导体 - NSC		放大器功率放大器
页数	文件大小	规格书
8页	222K
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LM4861MWA 数据手册

May 1997

LM4861

1.1W Audio Power Amplifier with Shutdown Mode

General Description

Key Specifications

The LM4861 is a bridge-connected audio power amplifier ca-

pable of delivering 1.1W of continuous average power to an

8Ω load with 1% (THD) using a 5V power supply.

n THD at 1 kHz at 1W continuous

average output power into 8Ω

1.0% (max)

1.5W (typ)

0.6 µA (typ)

n Output power at 10% THD+N

at 1 kHz into 8Ω

Boomer audio power amplifiers were designed specifically to

provide high quality output power with a minimal amount of

external components using surface mount packaging. Since

the LM4861 does not require output coupling capacitors,

bootstrap capacitors, or snubber networks, it is optimally

suited for low-power portable systems.

n Shutdown Current

Features

n No output coupling capacitors, bootstrap capacitors, or

snubber circuits are necessary

The LM4861 features an externally controlled, low-power

consumption shutdown mode, as well as an internal thermal

shutdown protection mechanism.

n Small Outline (SO) packaging

n Compatible with PC power supplies

n Thermal shutdown protection circuitry

n Unity-gain stable

The unity-gain stable LM4861 can be configured by external

gain-setting resistors.

n External Gain Configuration Capability

Applications

n Personal computers

n Portable consumer products

n Self-powered speakers

n Toys and games

Typical Application

Connection Diagram

Small Outline Package

DS011986-2

Top View

Order Number LM4861M

See NS Package Number M08A

DS011986-1

FIGURE 1. Typical Audio Amplifier Application Circuit

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

DS011986

www.national.com

12 3 4 5 6 7 8

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与LM4861MWA相关器件

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LM4861MX	TI	获取价格	LM4861 1.1W Audio Power Amplifier with Shutdown Mode
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