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参数资料
| 型号： | LM3876MDC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 56 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | DIE |
| 文件页数： | 1/22页 |
| 文件大小： | 613K |
| 代理商： | LM3876MDC |
LM3876
Overture
Audio Power Amplifier Series
High-Performance 56W Audio Power Amplifier w/Mute
General Description
The LM3876 is a high-performance audio power amplifier
capable of delivering 56W of continuous average power to
an 8
load with 0.1% THD+N from 20Hz–20kHz.
The performance of the LM3876, utilizing its Self Peak In-
stantaneous Temperature (Ke) (SPiKe) protection cir-
cuitry, puts it in a class above discrete and hybrid amplifiers
by providing an inherently, dynamically protected Safe Oper-
ating Area (SOA). SPiKe protection means that these parts
are completely safeguarded at the output against overvolt-
age, undervoltage, overloads, including shorts to the sup-
plies, thermal runaway, and instantaneous temperature
peaks.
The LM3876 maintains an excellent signal-to-noise ratio of
greater than 95dB (min) with a typical low noise floor of
2.0V. It exhibits extremely low THD+N values of 0.06% at
the rated output into the rated load over the audio spectrum,
and provides excellent linearity with an IMD (SMPTE) typical
rating of 0.004%.
Features
n
56W continuous average output power into 8
n
100W instantaneous peak output power capability
n
Signal-to-Noise Ratio
≥ 95 dB(min)
n
An input mute function
n
Output protection from a short to ground or to the
supplies via internal current limiting circuitry
n
Output over-voltage protection against transients from
inductive loads
n
Supply under-voltage protection, not allowing internal
biasing to occur when |V
EE|+|VCC| ≤ 12V, thus
eliminating turn-on and turn-off transients
n
11-lead TO-220 package
n
Wide supply range 20V - 94V
Applications
n
Component stereo
n
Compact stereo
n
Self-powered speakers
n
Surround-sound amplifiers
n
High-end stereo TVs
Typical Application
Overture and SPiKe Protection are trademarks of National Semiconductor Corporation.
DS011832-1
*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
August 2000
LM3876
Overture
Audio
Power
Amplifier
Series
High-Performance
56W
Audio
Power
Amplifier
w/Mute
2000 National Semiconductor Corporation
DS011832
www.national.com
相关PDF资料 |
PDF描述 |
|---|---|
| LM387N | VIDEO PREAMPLIFIER, PDIP8 |
| LM387V | 2 CHANNEL, VIDEO PREAMPLIFIER, PDIP8 |
| LM3886DWF | 68 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM3886MWC | 68 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM3909N | SPECIALTY CONSUMER CIRCUIT, PDIP8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM3876T | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM3876T | 制造商:National Semiconductor Corporation 功能描述:56W W/Mute, 1 Channel Lm3876T IC Audio Amp |
| LM3876T/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM3876TF | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM3876TF NOPB | 制造商:Texas Instruments 功能描述:8MHz Class-AB Bulk |
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