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