General Description

The MAX97003 audio subsystem combines a mono speaker amplifier with a stereo headphone amplifier. The headphone and speaker amplifiers have independent volume and on/off controls. The four inputs are configurable as two differential or four single-ended inputs.

Features

♦ 2.7V to 5.5V Speaker Supply Voltage

♦ 1.8V Headphone Supply Voltage

♦ 1.0W Speaker Output (VPVDD = 4.2V, ZSPK = 8I + 68µH, 1 THD+N)

♦ 32mW/Channel Headphone Output (RHP = 32I)

♦ Active Emissions Limiting for Enhanced EMI Reduction

♦ Efficient Class H Headphone Amplifier

♦ Ground-Referenced Headphone Outputs

♦ Headphone Ground Sense

♦ 2 Stereo Single-Ended/Mono Differential Inputs

♦ Integrated Expander/Noise Gate for Low Output Noise

♦ Integrated DRC (Speaker Outputs)

♦ Integrated Distortion Limiter (Speaker Outputs)

♦ Extensive Click-and-Pop Reduction Circuitry

♦ TDMA Noise Free

♦ 2.0mm x 2.4mm, 20-Bump WLP Package (0.4mm Pitch)

Applications

   Cell Phones

   Portable Media Players