FEATURES
   AC ’97 2.3 COMPATIBLE FEATURES
   S/PDIF Output, 20 Bits Data Format, Supporting
      48 kHz and 44.1 kHz Sample Rates
   Integrated Stereo Headphone Amplifier
   Variable Sample Rate Audio
   External Audio Power-Down Control
   Greater than 90 dB Dynamic Range
   Stereo Full-Duplex Codec
   20-Bit PCM DAC
   3 Analog Line-Level Stereo Inputs for
      Line-In, AUX, and CD
   Mono Line-Level Phone Input
   Dual MIC Input with Built-In Programmable Preamp
   High Quality CD Input with Ground Sense
   Mono Output for Speakerphone or Internal Speaker
      Power Management Support
   48-Lead LQFP Package, Lead-Free Package Available

ENHANCED FEATURES
   Stereo MIC Preamps Support
   Built-In Digital Equalizer Function for Optimized
      Speaker Sound
   Full-Duplex Variable Sample Rates from 7040 Hz to
      48 kHz with 1 Hz Resolution
   Jack Sense Pins Provide Automatic Output Switching
   Software Programmed VREFOUT Output for Biasing
      Microphone and External Power Amp
   Low Power 3.3 V Operation for Analog and
      Digital Supplies
   Multiple Codec Configuration Options