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LM4861MX/NOPB PDF预览

LM4861MX/NOPB

更新时间: 2024-11-21 11:06:23
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管消费电路商用集成电路音频放大器视频放大器
页数 文件大小 规格书
20页 919K
描述
1.1W 单声道、模拟输入 AB 类音频放大器 | D | 8 | -40 to 85

LM4861MX/NOPB 数据手册

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LM4861  
www.ti.com  
SNAS095C MAY 1997REVISED MAY 2013  
LM4861  
1.1W Audio Power Amplifier with Shutdown Mode  
Check for Samples: LM4861  
1
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.  
2
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 81.0% (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  
1
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.  
2
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.  
Copyright © 1997–2013, Texas Instruments Incorporated  

LM4861MX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM4861M/NOPB TI

完全替代

Boomer Series: 1.1W Audio Amplifier with Shutdown Mode 8-SOIC -40 to 85
LM4861M TI

类似代替

LM4861 1.1W Audio Power Amplifier with Shutdown Mode
LM4861MX TI

类似代替

LM4861 1.1W Audio Power Amplifier with Shutdown Mode

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