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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM4782 датащи(PDF) 1 Page - National Semiconductor (TI) |
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LM4782 датащи(HTML) 1 Page - National Semiconductor (TI) |
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1 / 26 page  LM4782 Overture™ Audio Power Amplifier Series 3 Channel 25W Audio Power Amplifier with Mute and Standby General Description The LM4782 is a three channel audio amplifier capable of typically delivering 25W per channel of continuous average output power into an 8 Ω load with less than 0.5% THD+N from 20Hz - 20kHz. The LM4782 is fully protected utilizing National’s Self Peak Instantaneous Temperature (˚Ke) (SPiKe TM) protection cir- cuitry. SPiKe provides a dynamically optimized Safe Operat- ing Area (SOA). SPiKe protection completely safeguards the LM4782’s outputs against over-voltage, under-voltage, over- loads, shorts to the supplies or GND, thermal runaway and instantaneous temperature peaks. The advanced protection features of the LM4782 places it in a class above discrete and hybrid amplifiers. Each amplifier of the LM4782 has an independent smooth transition fade-in/out mute and a power conserving standby mode. The mute and standby modes can be controlled by external logic. The LM4782 can easily be configured for bridge or parallel operation for higher power and bi-amp solutions. Key Specifications j Output Power/Channel with 0.5% THD+N, 1kHz into 8 Ω 25W (typ) j THD+N at 3x15W into 8 Ω (20Hz - 20kHz) 0.2% (typ) j THD+N at 3x15W into 6 Ω (20Hz - 20kHz) 0.3% (typ) j THD+N at 3x15W into 4 Ω (20Hz - 20kHz) 0.4% (typ) j Mute Attenuation 115dB (typ) j PSRR 85dB (min) j Slew Rate 18V/µs (typ) Features n SPiKe Protection n Low external component count n Quiet fade-in/out mute mode n Low power standby mode n Wide supply range: 20V - 64V n Signal-to-Noise Ratio ≥ 98dB (ref. to P O = 1W) Applications n Audio amplifier for component stereo n Audio amplifier for compact stereo n Audio amplifier for home theater in a box (HTB) n Audio amplifier for self-powered speakers n Audio amplifier for high-end and HD TVs Typical Application SPiKe™ Protection and Overture™ are trademarks of National Semiconductor Corporation. 200811D2 FIGURE 1. Typical Audio Amplifier Application Circuit February 2004 © 2004 National Semiconductor Corporation DS200811 www.national.com |
Аналогичный номер детали - LM4782 |
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Аналогичное описание - LM4782 |
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