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LM4734 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM4734 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 28 page LM4734, LM4734TABD www.ti.com SNAS239A – MAY 2004 – REVISED MARCH 2006 LM4734 3 Channel 20W Audio Power Amplifier with Mute and Standby Check for Samples: LM4734, LM4734TABD 1 FEATURES DESCRIPTION The LM4734 is a three channel audio amplifier 2 • Low External Component Count capable of typically delivering 20W per channel of • Quiet Fade-In/Out Mute Mode continuous average output power into a 4 Ω or 8Ω • Low Power Standby Mode load with less than 10% THD+N from 20Hz - 20kHz. • Wide Supply Range: 20V - 60V The LM4734 has short circuit protection and a thermal shut down feature that is activated when the APPLICATIONS die temperature exceeds 150°C. The LM4734 also has an under voltage lock out feature for click and • Audio Amplifier for Component Stereo pop free power on and off. • Audio Amplifier for Compact Stereo Each amplifier of the LM4734 has an independent • Audio Amplifier for Home Theater in a Box smooth transition fade-in/out mute and a power (HTB) conserving standby mode. The mute and standby • Audio Amplifier for High-End and HD TVs modes can be controlled by external logic. The LM4734 has a wide supply operating supply KEY SPECIFICATIONS range from ±10V - ±30V allowing for lower cost • Output Power/Channel with 10% THD+N, 1kHz unregulated power supplies to be used. into 4 Ω or 8Ω: 20W (typ) The LM4734 can easily be configured for bridge or • THD+N at 3x1W into 8 Ω, 1kHz: 0.03% (typ) parallel operation for higher power and bi-amp solutions. • Mute Attenuation: 110dB (typ) • PSRR: 64dB (typ) • Slew Rate: 18V/ μs (typ) Typical Application Figure 1. Typical Audio Amplifier Application Circuit 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2006, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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Mô tả tương tự - LM4734_14 |
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