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MAX9705 - 2.3W Ultra-Low-EMI Filterless Class D Audio Amplifier

Features

  • o Filterless Amplifier Passes FCC-Radiated Emissions Standards with 24in of Cable o Unique Spread-Spectrum Mode and Active Emissions Limiting (AEL) Achieves Better than 20dB Margin Under FCC Limits o Zero Dead Time (ZDT) H-Bridge Maintains Stateof-the-Art Efficiency and THD+N o Simple Master-Slave Setup for Stereo Operation o Up to 90% Efficiency o 2.3W into 4Ω (1% THD+N) o Low 0.02% THD+N (POUT = 1W, VDD = 5.0V) o High PSRR (75dB at 217Hz) o Integrated Click-and-Pop Suppression o Low Quiescent.

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Full PDF Text Transcription

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19-3405; Rev 3; 5/09 www.DataSheet4U.com KIT ATION EVALU LE B A IL A AV 2.3W, Ultra-Low-EMI, Filterless, Class D Audio Amplifier General Description Features o Filterless Amplifier Passes FCC-Radiated Emissions Standards with 24in of Cable o Unique Spread-Spectrum Mode and Active Emissions Limiting (AEL) Achieves Better than 20dB Margin Under FCC Limits o Zero Dead Time (ZDT) H-Bridge Maintains Stateof-the-Art Efficiency and THD+N o Simple Master-Slave Setup for Stereo Operation o Up to 90% Efficiency o 2.3W into 4Ω (1% THD+N) o Low 0.02% THD+N (POUT = 1W, VDD = 5.0V) o High PSRR (75dB at 217Hz) o Integrated Click-and-Pop Suppression o Low Quiescent Current (5.4mA) o Low-Power Shutdown Mode (0.
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