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LM4876M

更新时间： 2024-11-03 22:51:39
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
9页 251K
描述
1.1W Audio Power Amplifier with Shutdown Logic Low

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LM4876M 数据手册

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February 2000  
LM4876  
1.1W Audio Power Amplifier with Shutdown Logic Low  
General Description  
Key Specifications  
The LM4876 is a bridge-connected audio power amplifier ca-  
pable of delivering typically 1.1W of continuous average  
n THD at 1 kHz at 1W continuous  
average output power into 8Ω  
%
0.5 (max)  
%
power to an 8Ω load with 0.5 (THD) from a 5V power sup-  
%
n Output power at 10 THD+N  
ply.  
1.5W (typ)  
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. Since the LM4876 does not require  
output coupling capacitors, bootstrap capacitors, or snubber  
networks, it is optionally suited for low-power portable sys-  
tems.  
n Shutdown Current  
0.01 µA (typ)  
Features  
n No output coupling capacitors, bootstrap capacitors, or  
snubber circuits are necessary  
n Small Outline packaging  
n Unity-gain stable  
The LM4876 features an externally controlled, low-power  
consumption shutdown mode, which is achieved by driving  
pin 1 with logic low. Additionally, the LM4876 features an in-  
ternal thermal shutdown protection mechanism.  
n External gain configuration capability  
n Pin compatible with LM4861 and LM4871  
The LM4876 is unity-gain stable and can be configured by  
external gain-setting resistors.  
Applications  
n Mobile Phones  
n Portable Computers  
n Desktop Computers  
n Low Voltage Audio Systems  
Typical Application  
Connection Diagram  
Small Outline Package  
DS101299-2  
Top View  
Order Number LM4876M  
See NS Package Number M08A  
DS101299-1  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2000 National Semiconductor Corporation  
DS101299  
www.national.com  
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LM4876M 替代型号

型号 品牌 替代类型 描述 数据表
LM4876M/NOPB NSC

完全替代

 IC 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8, SOIC-8, Audio/Video Amplifier
LM4876M TI

类似代替

 LM4876 1.1W Audio Power Amplifier with Logic Low

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 		LM4876 1.1W Audio Power Amplifier with Logic Low Shutdown

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