General Description

The MAX9775/MAX9776 combine a high-efficiency Class D, stereo/mono audio power amplifier with a mono DirectDrive™ receiver amplifier and a stereo DirectDrive headphone amplifier.

Features

♦ Unique Spread-Spectrum Modulation and Active Emissions Limiting Significantly Reduces EMI

♦ 3D Stereo Enhancement (MAX9775 Only)

♦ Up to 3 Stereo Inputs

♦ 1.5W Stereo Speaker Output (4Ω, VDD = 5V)

♦ 50mW Mono Receiver/Stereo Headphone Outputs (32Ω, VDD = 3.3V)

♦ High PSRR (68dB at 217Hz)

♦ 79 Efficiency (VDD = 3.3V, RL = 8Ω, POUT = 470mW)

♦ I2C Control—Input Configuration, Volume Control, Output Mode

♦ Click-and-Pop Suppression

♦ Low Total Harmonic Distortion (0.03 at 1kHz)

♦ Current-Limit and Thermal Protection

Applications

    Cell Phones

    Portable Multimedia Players

    Handheld Gaming Consoles