General Description

The MAX9742 stereo Class D audio power amplifier delivers up to 2 x 16W into 4Ω loads. The MAX9742 features high-power efficiency (92 with 8Ω loads), eliminating the need for a bulky heatsink and conserving power. The MAX9742 operates from a 20V to 40V single supply or a ±10V to ±20V dual supply. Features include fully differential inputs, comprehensive clickand-pop suppression, low-power shutdown mode, and an externally adjustable gain. Short-circuit and thermal overload protection prevent the device from being damaged during a fault condition.

Features

♦ 2 x 16W Output Power (RL = 4Ω, THD+N = 10)

♦ High Efficiency: Up to 92 with RL = 8Ω

♦ Mute and Shutdown Modes

♦ Differential Inputs Suppress Common-Mode Noise

♦ Adjustable Gain

♦ Integrated Click-and-Pop Suppression

♦ Low 0.06 THD+N at 3.5W, RL = 8Ω

♦ Output Short-Circuit and Thermal Protection

♦ Available in Space-Saving, 6mm x 6mm, 36-Pin TQFN Package

Applications

    CRT TVs

    Flat-Panel Display TVs

    Audio Docking Stations

    Multimedia Monitors