GENERAL DESCRIPTION
The AD1883 audio codec and SoundMAX® software provide superior high definition audio quality that exceeds Vista Premium performance for notebooks. The AD1883 has two 192 kHz DAC pairs, two 192 kHz ADC pairs, a S/PDIF output, a 2-channel digital microphone interface, and digital and analog PCBeep. These features make the AD1883 the right choice for notebook PCs that meet Microsoft Vista Premium performance as well as desktop PCs that meet Microsoft Vista Basic performance.

FEATURES
  Microsoft Vista Premium Logo for notebook 90+ dB audio outputs, 85 dB audio inputs WLP 3.0 and 4.0
  2 stereo headphone amplifiers
  Internal 32-bit arithmetic for greater accuracy
  Impedance and presence detection on all jacks
  Full analog mixer with DAC inputs
  3 independent microphone bias pins
  Digital and analog PCBeep
  3 general-purpose digital I/O (GPIO) pins
  3.3 V analog supply voltage
  1.7 V to 1.9 V or 3.3 V digital supply voltages
  1.5 V or 3.3 V HD Audio link signaling voltage
  Advanced power management modes
  48-lead, RoHs compliant LFCSP_VQ package

192 kHz DACs/ADCs
  2 independent stereo DAC/ADC pairs
  Simultaneous record of 2 stereo channels
  Simultaneous playback of 2 stereo channels
  Independent 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz sample rates
  16-, 20-, and 24-bit resolution
  Selectable stereo mixer on outputs

STEREO DIGITAL MICROPHONE INTERFACE
  2 digital microphone channels
  Supports 1 or 2 microphones per pin
  Selectable clock rates of 1.5 MHz, 2.0 MHz, and 3.0 MHz
  Mono and stereo array support
  8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz sample rates
  16-, 20-, and 24-bit resolution

S/PDIF OUTPUT
  Supports 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz sample rates
  16-, 20-, and 24-bit data; PCM and AC3 formats
  Digital PCM gain control

AUXILIARY PINS
  Stereo CD/auxiliary I/O port with ground sense
  Stereo auxiliary/dock I/O port
  Mono out pin for internal speakers or telephony