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参数资料
| 型号： | LM4701MWC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 30 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | WAFER |
| 文件页数： | 1/17页 |
| 文件大小： | 579K |
| 代理商： | LM4701MWC |
LM4701
Overture Audio Power Amplifier Series
30W Audio Power Amplifier with
Mute and Standby Modes
General Description
The LM4701 is an audio power amplifier capable of deliver-
ing typically 30W of continuous average output power into an
8
load with less than 0.1% THD+N.
The LM4701 has an independent smooth transition fade-in/
out mute and a power conserving standby mode which can
be controlled by external logic.
The performance of the LM4701, 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.
Key Specifications
n
THD+N at 1kHz at continuous average output power of
25W into 8
:
0.1% (max)
n
THD+N from 20Hz to 20kHz at 30W of continuous
average output power into 8
:
0.08% (typ)
n
Standby current:
2.1mA (typ)
Features
n
SPiKe Protection
n
Minimal amount of external components necessary
n
Quiet fade-in/out mute function
n
Power conserving standby-mode
n
Non-Isolated 9-lead TO-220 package
n
Wide supply range 20V - 66V
Applications
n
TVs
n
Component stereo
n
Compact stereo
Typical Application
Connection Diagram
SPiKe Protection and Overture are trademarks of National Semiconductor Corporation.
DS100835-1
*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
Plastic Package
DS100835-2
Top View
Order Number LM4701T
See NS Package Number TA9A
For Staggered Lead Non-Isolated Package
Only a 9-Pin Package
August 2000
LM4701
Overture
Audio
Power
Amplifier
Series
30W
Audio
Power
Amplifier
with
Mute
and
Standby
Modes
2000 National Semiconductor Corporation
DS100835
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4701T | 制造商:NSC 制造商全称:National Semiconductor 功能描述:LM4701 Overture⑩ Audio Power Amplifier Series 30W Audio Power Amplifier with Mute and Standby Modes |
| LM4701T/NOPB | 功能描述:IC AMP AUDIO PWR 30W AB TO220-9 RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Overture™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4701T/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| LM4702 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:LM4702 Overture Audio Power Amplifier Series Stereo High Fidelity 200 Volt* Driver with Mute |
| LM4702A | 制造商:NSC 制造商全称:National Semiconductor 功能描述:LM4702 Overture Audio Power Amplifier Series Stereo High Fidelity 200 Volt* Driver with Mute |
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