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LM4811 PDF预览

LM4811

更新时间: 2024-02-20 13:58:28
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器
页数 文件大小 规格书
18页 723K
描述
Dual 105mW Headphone Amplifier with Digital Volume

LM4811 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SON, SOLCC10,.11,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.55商用集成电路类型:VOLUME CONTROL CIRCUIT
JESD-30 代码:R-PDSO-N10湿度敏感等级:1
功能数量:2端子数量:10
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SON
封装等效代码:SOLCC10,.11,20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
子类别:Audio/Video Amplifiers最大压摆率:3 mA
表面贴装:YES温度等级:INDUSTRIAL
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

LM4811 数据手册

 浏览型号LM4811的Datasheet PDF文件第2页浏览型号LM4811的Datasheet PDF文件第3页浏览型号LM4811的Datasheet PDF文件第4页浏览型号LM4811的Datasheet PDF文件第5页浏览型号LM4811的Datasheet PDF文件第6页浏览型号LM4811的Datasheet PDF文件第7页 
December 2002  
LM4811  
Dual 105mW Headphone Amplifier with Digital Volume  
Control and Shutdown Mode  
General Description  
Key Specifications  
n THD+N at 1kHz, 105mW continuous average output  
The LM4811 is a dual audio power amplifier capable of  
delivering 105mW per channel of continuous average power  
into a 16load with 0.1% (THD+N) from a 5V power supply.  
power into 16Ω  
n THD+N at 1kHz, 70mW continuous average power into  
32Ω  
0.1% (typ)  
0.1% (typ)  
0.3µA (typ)  
Boomer audio power amplifiers were designed specifically to  
provide high quality output power with a minimal amount of  
external components. Since the LM4811 does not require  
bootstrap capacitors or snubber networks, it is optimally  
suited for low-power portable systems.  
n Shutdown Current  
Features  
n Digital volume control range from +12dB to −33dB  
n LD and MSOP surface mount packaging  
n "Click and Pop" suppression circuitry  
n No bootstrap capacitors required  
The LM4811 features a digital volume control that sets the  
amplifier’s gain from +12dB to −33dB in 16 discrete steps  
using a two−wire interface.  
The unity-gain stable LM4811 also features an externally  
controlled, active-high, micropower consumption shutdown  
mode. It also has an internal thermal shutdown protection  
mechanism.  
n Low shutdown current  
Applications  
n Cellular Phones  
n MP3, CD, DVD players  
n PDA’s  
n Portable electronics  
Connection Diagrams  
LD Package  
MSOP Package  
20006102  
Top View  
Order Number LM4811MM  
See NS Package Number MUB10A  
20006162  
Top View  
Order Number LM4811LD  
See NS Package Number LDA10A  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2002 National Semiconductor Corporation  
DS200061  
www.national.com  

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