參數(shù)資料
型號(hào)： LM2876MWC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 40 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC7
封裝： WAFER
文件頁(yè)數(shù)： 1/22頁(yè)
文件大?。?/td> 611K
代理商： LM2876MWC
LM2876
Overture Audio Power Amplifier Series
High-Performance 40W Audio Power Amplifier w/Mute
General Description
The LM2876 is a high-performance audio power amplifier
capable of delivering 40W of continuous average power to
an 8
load with 0.1% THD+N from 20Hz–20kHz.
The performance of the LM2876, 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 LM2876 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
40W continuous average output power into 8
n
75W 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 - 72V
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.
DS011775-1
* 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
LM2876
Overture
Audio
Power
Amplifier
Series
High-Performance
40W
Audio
Power
Amplifier
w/Mute
2000 National Semiconductor Corporation
DS011775
www.national.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2876T 制造商:Texas Instruments 功能描述:AMP AUDIO + MUTE 75W 2876 SIL-11
LM2876T 制造商:Texas Instruments 功能描述:AMP AUDIO + MUTE 75W 2876 SIL-11
LM2876T/NOPB 功能描述:IC AMP AUDIO PWR 40W AB TO220-11 RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Overture™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
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LM2876TF NOPB 制造商:Texas Instruments 功能描述:Audio Amp Speaker 1-CH Mono 40W Class-AB 11-Pin(11+Tab) TO-220 Rail
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