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LM2876

更新时间： 2024-11-22 22:51:55
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器功率放大器
页数 文件大小 规格书
19页 568K
描述
Overture⑩ Audio Power Amplifier Series High-Performance 40W Audio Power Amplifier w/Mute

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August 1995  
Ovture  
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 8Ω load with 0.1% (THD + N) from 20 Hz–20 kHz.  
Features  
n 40W continuous average output power into 8Ω  
n 75W instantaneous peak output power capability  
n Signal-to-Noise Ratio ≥ 95 dB(min)  
The performance of the LM2876, utilizing its Self Peak In-  
n An input mute function  
™
stantaneous Temperature (˚Ke) (SPiKe ) Protection Cir-  
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 |VEE| + |VCC| ≤ 12V, thus  
eliminating turn-on and turn-off transients  
n 11-lead TO-220 package  
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 95 dB(min) with a typical low noise floor of  
2.0 µV. It exhibits extremely low (THD + N) values of 0.06%  
at the rated output into the rated load over the audio spec-  
trum, and provides excellent linearity with an IMD (SMPTE)  
typical rating of 0.004%.  
Applications  
n Component stereo  
n Compact stereo  
n Self-powered speakers  
n Surround-sound amplifiers  
n High-end stereo TVs  
Typical Application  
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  
™
™
Overture and SPiKe Protection are trademarks of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS011775  
www.national.com  
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 		Overture Audio Power Amplifier Series High-Performance 40W Audio Power Amplifier w/Mute
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 		IC 40 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC7, WAFER, Audio/Video Amplifier
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 		Overture⑩ Audio Power Amplifier Series High-P
LM2876T/NOPB TI

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 		IC,AUDIO AMPLIFIER,SINGLE,BIPOLAR,ZIP,11PIN,PLASTIC
LM2876TF NSC

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 		Overture⑩ Audio Power Amplifier Series High-P
LM2876TF/NOPB NSC

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 		IC 40 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM11, ISOLATED, TO-220, 11 PIN, Audio/Video Amplifi
LM2876TF/NOPB TI

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 		具有静音功能的高性能 40 瓦音频功率放大器 | NDA | 11 | -20 to 85

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