LM4861

更新时间： 2024-10-26 12:46:35

品牌	Logo	应用领域
德州仪器 - TI		放大器功率放大器
页数	文件大小	规格书
20页	919K
描述
LM4861 1.1W Audio Power Amplifier with Shutdown Mode

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LM4861 数据手册

LM4861

www.ti.com

SNAS095C –MAY 1997–REVISED MAY 2013

LM4861

1.1W Audio Power Amplifier with Shutdown Mode

Check for Samples: LM4861

FEATURES

DESCRIPTION

The LM4861 is a bridge-connected audio power

amplifier capable of delivering 1.1W of continuous

average power to an 8Ω load with 1% THD+N using

a 5V power supply.

•

No output coupling capacitors, bootstrap

capacitors, or snubber circuits are necessary

•

Small Outline (SOIC) packaging

Compatible with PC power supplies

Thermal shutdown protection circuitry

Unity-gain stable

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.

External gain configuration capability

APPLICATIONS

•

Personal computers

Portable consumer products

Self-powered speakers

Toys and games

The LM4861 features an externally controlled, low-

power consumption shutdown mode, as well as an

internal thermal shutdown protection mechanism.

The unity-gain stable LM4861 can be configured by

external gain-setting resistors for differential gains of

up to 10 without the use of external compensation

components. Higher gains may be achieved with

suitable compensation.

KEY SPECIFICATIONS

•

THD+N for 1kHz at 1W continuous average

output power into 8Ω 1.0% (max)

Output power at 10% THD+N at 1kHz into 8Ω

1.5 W (typ)

Shutdown Current 0.6µA (typ)

Connection Diagram

Figure 1. 8-Lead SOIC - Top View

See D Package

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...20

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与LM4861相关器件

型号	品牌	获取价格	描述	数据表
LM4861_03	NSC	获取价格	1.1W Audio Power Amplifier with Shutdown Mode
LM4861M	NSC	获取价格	1.1W Audio Power Amplifier with Shutdown Mode
LM4861M	TI	获取价格	LM4861 1.1W Audio Power Amplifier with Shutdown Mode
LM4861M/NOPB	TI	获取价格	Boomer Series: 1.1W Audio Amplifier with Shutdown Mode 8-SOIC -40 to 85
LM4861MDA	TI	获取价格	暂无描述
LM4861M-NOPB	TI	获取价格	LM4861 1.1W Audio Power Amplifier with Shutdown Mode
LM4861MWA	NSC	获取价格	暂无描述
LM4861MWA	TI	获取价格	1.1W, 1 CHANNEL, AUDIO AMPLIFIER, UUC, WAFER
LM4861MX	TI	获取价格	LM4861 1.1W Audio Power Amplifier with Shutdown Mode
LM4861MX/NOPB	NSC	获取价格	IC 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8, 0.150 INCH, SOIC-8, Audio/Video Amplifier

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