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LM4881M PDF预览

LM4881M

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
页数 文件大小 规格书
11页 416K
描述
Dual 200 mW Headphone Amplifier with Shutdown Mode

LM4881M 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5标称带宽:20 kHz
商用集成电路类型:AUDIO AMPLIFIER谐波失真:0.1%
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.902 mm湿度敏感等级:1
信道数量:2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:0.3 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):235
认证状态:Not Qualified座面最大高度:1.753 mm
子类别:Audio/Video Amplifiers最大压摆率:6 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.7 V
表面贴装:YES技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
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:30
宽度:3.9 mmBase Number Matches:1

LM4881M 数据手册

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September 1997  
LM4881  
Dual 200 mW Headphone Amplifier with Shutdown Mode  
General Description  
Key Specifications  
The LM4881 is a dual audio power amplifier capable of deliv-  
ering 200 mW of continuous average power into an 8load  
with 0.1% (THD) from a 5V power supply.  
n THD at 1 kHz at 125 mW  
continuous average output  
power into 8Ω  
0.1% (max)  
0.02% (typ)  
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 LM4881 does not require bootstrap capacitors or snub-  
ber networks, it is optimally suited for low-power portable  
systems.  
n THD at 1 kHz at 75 mW continuous  
average output power into 32Ω  
n Output power at 10 THD+N  
%
at 1 kHz into 8Ω  
300 mW (typ)  
0.7 µA (typ)  
n Shutdown Current  
The LM4881 features an externally controlled, low power  
consumption shutdown mode which is virtually clickless and  
popless, as well as an internal thermal shutdown protection  
mechanism.  
Features  
n MSOP surface mount packaging  
n Unity-gain stable  
The unity-gain stable LM4881 can be configured by external  
gain-setting resistors.  
n External gain configuration capability  
n Thermal shutdown protection circuitry  
n No bootstrap capacitors, or snubber circuits are  
necessary  
Applications  
n Headphone Amplifier  
n Personal Computers  
n Microphone Preamplifier  
Typical Application  
Connection Diagrams  
MSOP Package  
DS100005-2  
SOP and DIP Package  
DS100005-1  
*Refer to the Application Information Section for information concerning  
proper selection of the input and output coupling capacitors.  
DS100005-38  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Top View  
Order Number LM4881MM, LM4881M, or LM4881N  
See NS Package Number MUA08A, M08A, or N08E  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS100005  
www.national.com  

LM4881M 替代型号

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