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LM1876 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM1876 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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LM1876 Overture™ Audio Power Amplifier Series Dual 20W Audio Power Amplifier with Mute and Standby Modes General Description The LM1876 is a stereo audio amplifier capable of delivering typically 20W per channel of continuous average output power into a 4 Ω or 8Ω load with less than 0.1% (THD + N). Each amplifier 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 LM1876, 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 safeguarded at the output against overvoltage, un- dervoltage, overloads, including thermal runaway and in- stantaneous temperature peaks. Key Specifications j THD+N at 1 kHz at 2 x 15W continuous average output power into 4 Ω or 8Ω: 0.1% (max) j THD+N at 1 kHz at continuous average output power of 2 x 20W into 8 Ω: 0.009% (typ) j Standby current: 4.2 mA (typ) Features n SPiKe Protection n Minimal amount of external components necessary n Quiet fade-in/out mute mode n Standby-mode n Isolated 15-lead TO-220 package n Non-Isolated 15-lead TO-220 package Applications n High-end stereo TVs n Component stereo n Compact stereo Typical Application Note: Numbers in parentheses represent pinout for amplifier B. *Optional component dependent upon specific design requirements. Connection Diagram SPiKe™ Protection and Overture™ are trademarks of National Semiconductor Corporation. DS012072-1 FIGURE 1. Typical Audio Amplifier Application Circuit Plastic Package DS012072-2 Top View Isolated Package Order Number LM1876TF See NS Package Number TF15B Non-Isolated Package Order Number LM1876T See NS Package Number TA15A February 1998 © 1999 National Semiconductor Corporation DS012072 www.national.com |
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