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MAX9736 - Mono/Stereo High-Power Class D Amplifier

Description

The MAX9736A/B Class D amplifiers provide high-performance, thermally efficient amplifier solutions.

The MAX9736A delivers 2 x 15W into 8Ω loads, or 1 x 30W into a 4Ω load.

The MAX9736B delivers 2 x 6W into 8Ω loads or 1 x 12W into a 4Ω load.

Features

  • Wide 8V to 28V Supply Voltage Range.
  • Spread-Spectrum Modulation Enables Low EMI Solution.
  • Passes CE EMI Limits with Low-Cost Ferrite Bead/Capacitor Filter.
  • Low BOM Cost, Pin-for-Pin Compatible Family.
  • High 67dB PSRR at 1kHz Reduces Supply Cost.
  • 88% Efficiency Eliminates Heatsink.
  • Thermal and Output Current Protection.
  • < 1µA Shutdown Mode.
  • Mute Function.
  • Space-Saving, 7mm x 7mm x 0.8mm, 32-Pin TQFN Package.

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Full PDF Text Transcription

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19-3108; Rev 1; 10/08 KIT ATION EVALU E L B AVAILA Mono/Stereo High-Power Class D Amplifier MAX9736 General Description The MAX9736A/B Class D amplifiers provide high-performance, thermally efficient amplifier solutions. The MAX9736A delivers 2 x 15W into 8Ω loads, or 1 x 30W into a 4Ω load. The MAX9736B delivers 2 x 6W into 8Ω loads or 1 x 12W into a 4Ω load. These devices are pinfor-pin compatible, allowing a single audio design to work across a broad range of platforms, simplifying design efforts, and reducing PCB inventory. Both devices operate from 8V to 28V and provide a high PSRR, eliminating the need for a regulated power supply. The MAX9736 offers up to 88% efficiency at 12V supply.
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