General Description
The MAX9715 high-efficiency, stereo, Class D audio power amplifier provides up to 2.8W per channel into a 4Ω speaker with a 5V supply. Maxim’s second-generation Class D technology features robust output protection, high efficiency, and high power-supply rejection (PSRR) while eliminating the need for output filters. Selectable gain settings, +10.5dB or +9.0dB, adjust the amplifier gain to suit the audio input level and speaker load.

Features
♦ 5V Single-Supply Operation
♦ Spread-Spectrum Modulator Reduces EMI
♦ 2.8W, Class D, Stereo Speaker Amplifier (4Ω)
♦ Filterless Class D Requires No LC Output Filter
♦ High PSRR (71dB at 1kHz)
♦ 86% Efficiency (RL = 8Ω, POUT = 1W)
♦ Low-Power Shutdown Mode
♦ Integrated Click-and-Pop Suppression
♦ Low Total Harmonic Distortion: 0.06% at 1kHz
♦ Short-Circuit and Thermal Protection
♦ Internal Gain, +9.0dB or +10.5dB
♦ Available in Space-Saving Package
   16-Pin Thin QFN-EP (5mm x 5mm x 0.8mm)

Applications
   High-End Notebook Audio
   LCD Projectors
   Portable Audio
   Multimedia Docking Stations