Datasheet > LM4877ITPX/NOPB

LM4877ITPX/NOPB

更新时间： 2024-01-23 15:35:51

品牌	Logo	应用领域
德州仪器 - TI		放大器商用集成电路
页数	文件大小	规格书
15页	481K
描述
IC,AUDIO AMPLIFIER,SINGLE,BGA,8PIN,PLASTIC

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技术参数
数据手册

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LM4877ITPX/NOPB 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	FBGA, BGA8,3X3,20	Reach Compliance Code：	compliant
风险等级：	5.84	商用集成电路类型：	AUDIO AMPLIFIER
JESD-30 代码：	S-PBGA-B8	JESD-609代码：	e1
湿度敏感等级：	1	功能数量：	1
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	FBGA	封装等效代码：	BGA8,3X3,20
封装形状：	SQUARE	封装形式：	GRID ARRAY, FINE PITCH
电源：	2.6/5 V	认证状态：	Not Qualified
子类别：	Audio/Video Amplifiers	最大压摆率：	7 mA
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Tin/Silver/Copper (Sn/Ag/Cu)	端子形式：	BALL
端子节距：	0.5 mm	端子位置：	BOTTOM
Base Number Matches：	1

LM4877ITPX/NOPB 数据手册

October 2002

LM4877

1 Watt Audio Power Amplifier in micro SMD package

with Shutdown Logic Low

General Description

Features

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

n 5V - 2V operation

The LM4877 is a bridge-connected audio power amplifier

capable of delivering 1 W of continuous average power to an

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

n No output coupling capacitors or bootstrap capacitors.

n Unity-gain stable

n External gain configuration capability

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 op-

timally suited for low-power portable applications.

Applications

n Cellular Phones

n Portable Computers

n Low Voltage Audio Systems

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.

Key Specifications

n Power Output at 0.2% THD

n Shutdown Current

1W (typ)

0.01µA (typ)

Typical Application

10129001

FIGURE 1. Typical Audio Amplifier Application Circuit

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

DS101290

www.national.com

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