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LM4766 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM4766 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 19 page  LM4766 Overture™ Audio Power Amplifier Series Dual 40W Audio Power Amplifier with Mute General Description The LM4766 is a stereo audio amplifier capable of delivering typically 40W per channel with the non-isolated "T" package and 30W per channel with the isolated "TF" package of continuous average output power into an 8 Ω load with less than 0.1% (THD+N). The performance of the LM4766, 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, undervoltage, overloads, including thermal runaway and in- stantaneous temperature peaks. Each amplifier within the LM4766 has an independent smooth transition fade-in/out mute that minimizes output pops. The IC’s extremely low noise floor at 2µV and its extremely low THD+N value of 0.06% at the rated power make the LM4766 optimum for high-end stereo TVs or mini- component systems. Key Specifications j THD+N at 1kHz at 2 x 30W continuous average output power into 8 Ω 0.1% (max) j THD+N at 1kHz at continuous average output power of 2 x 30W into 8 Ω 0.009% (typ) Features n SPiKe Protection n Minimal amount of external components necessary n Quiet fade-in/out mute mode n Non-Isolated 15-lead TO-220 package n Wide Supply Range 20V - 78V Applications n High-end stereo TVs n Component stereo n Compact stereo Connection Diagram Plastic Package 10092802 Top View Non-Isolated TO-220 Package Order Number LM4766T See NS Package Number TA15A Isolated TO-220 Package Order Number LM4766TF See NS Package Number TF15B SPiKe™ Protection and Overture™ are trademarks of National Semiconductor Corporation. March 2006 © 2006 National Semiconductor Corporation DS100928 www.national.com |
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