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LM4700MWC

更新时间： 2024-11-16 21:16:55
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
15页 526K
描述
IC 30 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC, WAFER, Audio/Video Amplifier

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LM4700MWC 技术参数

生命周期：Obsolete包装说明：, WAFER
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.82
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：X-XUUC-N
信道数量：1功能数量：1
最高工作温度：85 °C最低工作温度：-20 °C
标称输出功率：30 W封装主体材料：UNSPECIFIED
封装等效代码：WAFER封装形状：UNSPECIFIED
封装形式：UNCASED CHIP峰值回流温度（摄氏度）：NOT SPECIFIED
电源：+-28 V认证状态：Not Qualified
子类别：Audio/Video Amplifiers最大压摆率：40 mA
最大供电电压 (Vsup)：64 V最小供电电压 (Vsup)：20 V
表面贴装：YES技术：BIPOLAR
温度等级：OTHER端子形式：NO LEAD
端子位置：UPPER处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

LM4700MWC 数据手册

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August 2000  
Ovture  
LM4700  
™
Overture Audio Power Amplifier Series  
30W Audio Power Amplifier with  
Mute and Standby Modes  
General Description  
The LM4700 is an audio power amplifier capable of deliver-  
ing typically 30W of continuous average output power into an  
8Ω load with less than 0.1% THD+N.  
Key Specifications  
n THD+N at 1kHz at continuous average output power of  
25W into 8Ω: 0.1% (max)  
n THD+N from 20Hz to 20kHz at 30W of continuous  
average output power into 8Ω:  
n Standby current:  
0.08% (typ)  
2.1mA (typ)  
The LM4700 has an independent smooth transition fade-in/  
out mute and a power conserving standby mode which can  
be controlled by external logic.  
Features  
n SPiKe Protection  
The performance of the LM4700, utilizing its Self Peak In-  
™
stantaneous Temperature (˚Ke) (SPiKe ) protection cir-  
cuitry, places it in a class above discrete and hybrid amplifi-  
ers by providing an inherently, dynamically protected Safe  
Operating Area (SOA). SPiKe protection means that these  
parts are completely safeguarded at the output against over-  
voltage, undervoltage, overloads, including thermal runaway  
and instantaneous temperature peaks.  
n Minimal amount of external components necessary  
n Quiet fade-in/out mute function  
n Power conserving standby-mode  
n Isolated 11-lead TO-220 package  
n Wide supply range 20V - 66V  
Applications  
n Component stereo  
n Compact stereo  
Typical Application  
Connection Diagram  
Isolated Plastic Package  
DS012369-2  
Top View  
Order Number LM4700TF or LM4700T  
See NS Package Number TF11B for Staggered Lead  
Isolated Package  
See TA11B for Staggered Lead Non-Isolated Package  
DS012369-1  
*
Optional components dependent upon specific design requirements. Refer  
to the External Components Description section for a component functional  
description.  
FIGURE 1. Typical Audio Amplifier Application Circuit  
™
™
SPiKe Protection and Overture are trademarks of National Semiconductor Corporation.  
© 2000 National Semiconductor Corporation  
DS012369  
www.national.com  
1234567...15

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