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LM4871LDX/NOPB

更新时间： 2024-11-09 20:25:59
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器商用集成电路
页数 文件大小 规格书
16页 461K
描述
IC 3 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8, LLP-8, Audio/Video Amplifier

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中文翻译

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LM4871LDX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：VSON, SOLCC8,.15,32Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.03标称带宽：20 kHz
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：S-XDSO-N8
JESD-609代码：e3长度：4 mm
湿度敏感等级：3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：3 W封装主体材料：UNSPECIFIED
封装代码：VSON封装等效代码：SOLCC8,.15,32
封装形状：SQUARE封装形式：SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：0.8 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：NO LEAD
端子节距：0.8 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：4 mm
Base Number Matches：1

LM4871LDX/NOPB 数据手册

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January 2003  
LM4871  
3W Audio Power Amplifier with Shutdown Mode  
General Description  
Key Specifications  
n PO at 10% THD+N, 1kHz  
The LM4871 is a mono bridged audio power amplifier ca-  
pable of delivering 3W of continuous average power into a  
3Ω load with less than 10% THD when powered by a 5V  
power supply (Note 1). To conserve power in portable appli-  
n
n
LM4871LD: 3Ω , 4Ω loads  
All other LM4871 packages: 8Ω load  
3W (typ), 2.5W (typ)  
1.5W (typ)  
0.6µA (typ)  
2.0V to 5.5V  
n Shutdown current  
n Supply voltage range  
n THD at 1kHz at 1W continuous average output power  
into 8Ω  
cations, the LM4871’s micropower shutdown mode (IQ  
0.6µA, typ) is activated when VDD is applied to the SHUT-  
DOWN pin.  
=
0.5% (max)  
Boomer audio power amplifiers are designed specifically to  
provide high power, high fidelity audio output. They require  
few external components and operate on low supply volt-  
ages from 2.0V to 5.5V. Since the LM4871 does not require  
output coupling capacitors, bootstrap capacitors, or snubber  
networks, it is ideally suited for low-power portable systems  
that require minimum volume and weight.  
Features  
n No output coupling capacitors, bootstrap capacitors, or  
snubber circuits required  
n Unity-gain stable  
n LLP, MSOP, SO, or DIP packaging  
n External gain configuration capability  
n Pin compatible with the LM4861  
Additional LM4871 features include thermal shutdown pro-  
tection, unity-gain stability, and external gain set.  
Note 1: An LM4871LD that has been properly mounted to a circuit board will  
deliver 3W into 3Ω (at 10% THD). The other package options for the LM4871  
will deliver 1.5W into 8Ω (at 10% THD). See the Application Information  
sections for further information concerning the LM4871LD, LM4871MM,  
LM4871M, and the LM4871N.  
Applications  
n Portable computers  
n Desktop computers  
n Low voltage audio systems  
Connection Diagrams  
MSOP, Small Outline, and DIP Package  
LLP Package  
10000802  
Top View  
Order Number LM4871MM, LM4871M, or LM4871N  
See NS Package Number MUA08A, M08A, or N08E  
10000839  
Top View  
Order Number LM4871LD  
See NS Package Number LDC08A  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS100008  
www.national.com  
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