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LM4876 PDF预览

LM4876

更新时间: 2024-02-16 16:34:50
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

LM4876 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:SOP, SOP8,.25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.1标称带宽:20 kHz
商用集成电路类型:AUDIO AMPLIFIER谐波失真:0.5%
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:1
信道数量: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标称输出功率:1.5 W
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:2.6/5 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Audio/Video Amplifiers
最大压摆率:10 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

LM4876 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 8  
%
0.5 (max)  
%
power to an 8load 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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