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参数资料
| 型号： | LM4700T |
| 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, PZFM11 |
| 封装： | TO-220, 11 PIN |
| 文件页数： | 1/19页 |
| 文件大小： | 997K |
| 代理商： | LM4700T |
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
8
load with less than 0.1% THD+N.
The LM4700 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 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 ov-
ervoltage, undervoltage, overloads, including thermal run-
away 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
Isolated 11-lead TO-220 package
n
Wide supply range 20V - 66V
Applications
n
Component stereo
n
Compact stereo
Typical Application
SPiKe Protection and Overture are trademarks of National Semiconductor Corporation.
01236901
*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
August 2000
LM4700
Overture
Audio
Power
Amplifier
Series
30W
Audio
Power
Amplifier
with
Mute
and
Standby
Modes
2004 National Semiconductor Corporation
DS012369
www.national.com
相关PDF资料 |
PDF描述 |
|---|---|
| LM4700TF/NOPB | 30 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| LM4701MWC | 30 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM4730TA/NOPB | 14 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| LM4731TA/NOPB | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| LM4752MDC | 7 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4700T/NOPB | 制造商:Texas Instruments 功能描述: |
| LM4700TF | 制造商:Texas Instruments 功能描述:IC AMP + MUTE 30W 4700 TO-220-11 |
| LM4700TF | 制造商:Texas Instruments 功能描述:IC AMP + MUTE 30W 4700 TO-220-11 |
| LM4700TF/NOPB | 功能描述:IC AMP AUDIO PWR 30W AB TO220-11 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) |
| LM4701 | 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 |
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