LM4866LQ

更新时间： 2024-11-17 22:51:39

品牌	Logo	应用领域
美国国家半导体 - NSC		商用集成电路音频放大器
页数	文件大小	规格书
21页	641K
描述
2.2W Stereo Audio Amplifier

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中文翻译

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LM4866LQ 数据手册

October 2002

LM4866

2.2W Stereo Audio Amplifier

General Description

The LM4866 is a bridge-connected (BTL) stereo audio

power amplifier which, when connected to a 5V supply,

delivers 2.2W to a 4Ω load (Note 1) or 2.5W to a 3Ω load

(Note 2) with less than 1.0% THD+N.

Key Specifications

n P_Oat 1% THD+N

LM4866LQ, 3Ω, 4Ω loads

LM4866MTE, 3Ω, 4Ω loads

LM4866MTE, 8Ω load

LM4866MT, 8Ω load

2.5W(typ), 2.2W(typ)

1.1W(typ)

With the LM4866 packaged in the LLP, the customer benefits

include low thermal impedance, low profile, and small size.

This package minimizes PCB area and maximizes output

power.

1.1W(typ)

0.7µA(typ)

2.0V to 5.5V

n Shutdown current

n Supply voltage range

The LM4866 features an externally controlled, low-power

consumption shutdown mode, and thermal shutdown protec-

tion. It also utilizes circuitry to reduce “clicks and pops”

during device turn-on.

Features

n Stereo BTL amplifier mode

n “Click and pop” suppression circuitry

n Unity-gain stable

Boomer audio power amplifiers are designed specifically to

use few external components and provide high quality output

power in a surface mount package.

n Thermal shutdown protection circuitry

n TSSOP and Exposed-DAP LLP packages

Note 1: An LM4866MTE or LM4866LQ that has been properly mounted to

a circuit board will deliver 2.2W into 4Ω. The other package options for the

LM4866 will deliver 1.1W into 8Ω. See the Application Information sections

for further information concerning the LM4866MTE and LM4866LQ.

Applications

n Multimedia monitors

n Portable and desktop computers

n Portable televisions

Note 2: An LM4866MTE or LM4866LQ that has been properly mounted to a

circuit board will deliver 2.5W into 3Ω.

Typical Application

20018601

Note: Pin out shown for LLP package. Refer to the Connection Diagrams for the pinout of the TSSOP package.

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

DS200186

www.national.com

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与LM4866LQ相关器件

型号	品牌	获取价格	描述	数据表
LM4866LQ/NOPB	TI	获取价格	3.2W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC24, LLP-24
LM4866LQ/NOPB	ROCHESTER	获取价格	3.2W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC24, LLP-24
LM4866LQX/NOPB	NSC	获取价格	IC 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC24, LLP-24, Audio/Video Amplifier
LM4866MT	NSC	获取价格	2.2W Stereo Audio Amplifier
LM4866MT/NOPB	TI	获取价格	1.5W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 4.40 MM, TSSOP-20
LM4866MT/NOPB	ROCHESTER	获取价格	1.5W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 4.40 MM, TSSOP-20
LM4866MTE	NSC	获取价格	2.2W Stereo Audio Amplifier
LM4866MTE	ROCHESTER	获取价格	3.2W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 6.50 X 4.40 MM, 0.90 MM HEIGHT, EXPOSED PAD, TSS
LM4866MTEX	NSC	获取价格	IC 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 6.50 X 4.40 MM, 0.90 MM HEIGHT, EXPOSED PAD,
LM4866MTEX/NOPB	NSC	获取价格	IC 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20, 6.50 X 4.40 MM, 0.90 MM HEIGHT, PLASTIC, TSS

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