GENERAL DESCRIPTION
The SSM2603 is a low power, high quality stereo audio codec for portable digital audio applications with one set of stereo programmable gain amplifier (PGA) line inputs and one monaural microphone input. It features two 24-bit analog-to-digital converter (ADC) channels and two 24-bit digital-to-analog (DAC) converter channels.

FEATURES
   Stereo, 24-bit analog-to-digital and digital-to-analog converters
   DAC SNR: 100 dB (A-weighted), THD: −80 dB at 48 kHz, 3.3 V
   ADC SNR: 90 dB (A-weighted), THD: −80 dB at 48 kHz, 3.3 V
   Highly efficient headphone amplifier
   Stereo line input and monaural microphone input
   Low power
      7 mW stereo playback (1.8 V/1.5 V supplies)
      14 mW record and playback (1.8 V/1.5 V supplies)
   Low supply voltages
      Analog: 1.8 V to 3.6 V
      Digital core: 1.5 V to 3.6 V
      Digital I/O: 1.8 V to 3.6 V
   256/384 oversampling rate in normal mode; 250/272
      over-sampling rate in USB mode
   Audio sampling rates: 8 kHz, 11.025 kHz, 12 kHz, 16 kHz,
      22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz,
      and 96 kHz
   28-lead, 5 mm × 5 mm LFCSP (QFN) package

APPLICATIONS
   Mobile phones
   MP3 players
   Portable gaming
   Portable electronics
   Educational toys