[NUVOTON]

GENERAL DESCRIPTION
The NAU8401 is a low power, high quality audio output system for portable applications. In addition to precision 24-bit stereo DACs, this device integrates a broad range of additional functions to simplify implementation of complete audio systems. The NAU8401 includes drivers for speaker, headphone, and stereo line outputs, and integrates mixing of the DAC outputs with analog input signals.

FEATURES
◾ DAC: 94dB SNR and -84dB THD (“A” weighted)
◾ Integrated BTL speaker driver: 1W into 8Ω
◾ Integrated head-phone driver: 40mW into 16Ω
◾ Integrated line inputs and line outputs
◾ On-chip high resolution Fractional-N PLL
◾ Integrated DSP with specific functions:
   • 5-band equalizer
   • 3-D audio enhancement
   • Automatic level control
   • Audio level limiter/dynamic range compressor
◾ Standard audio interfaces: PCM and I2S
◾ Serial control interfaces with read/write capability
◾ Supports audio sample rates from 8kHz to 48kHz

APPLICATIONs
◾ Personal Navigation Devices
◾ Personal Media Players
◾ Personal Navigation Devices
◾ Portable Game Players
◾ Portable TVs