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參數(shù)資料
| 型號(hào)： | LM3886MWC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 68 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封裝： | WAFER |
| 文件頁數(shù)： | 1/23頁 |
| 文件大小： | 796K |
| 代理商： | LM3886MWC |
LM3886
Overture Audio Power Amplifier Series
High-Performance 68W Audio Power Amplifier w/Mute
General Description
The LM3886 is a high-performance audio power amplifier
capable of delivering 68W of continuous average power to a
4
load and 38W into 8 with 0.1% THD+N from
20Hz–20kHz.
The performance of the LM3886, 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 LM3886 maintains an excellent signal-to-noise ratio of
greater than 92dB with a typical low noise floor of 2.0V. It
exhibits extremely low THD+N values of 0.03% at the rated
output into the rated load over the audio spectrum, and pro-
vides excellent linearity with an IMD (SMPTE) typical rating
of 0.004%.
Features
n
68W cont. avg. output power into 4
at V
CC = ±28V
n
38W cont. avg. output power into 8
at V
CC = ±28V
n
50W cont. avg. output power into 8
at V
CC = ±35V
n
135W instantaneous peak output power capability
n
Signal-to-Noise Ratio
≥ 92dB
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.
DS011833-1
*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
LM3886
Overture
Audio
Power
Amplifier
Series
High-Performance
68W
Audio
Power
Amplifier
w/Mute
2000 National Semiconductor Corporation
DS011833
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3886T | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM3886T | 制造商:Texas Instruments 功能描述:IC AMP AUDIO + MUTE 68W |
| LM3886T/NOPB | 功能描述:音頻放大器 HIGH-PERF 68W AUDIO PWR AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM3886T/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| LM3886TF | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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