GENERAL DESCRIPTION

The AD1882 audio codec and SoundMAX® software provides superior HD audio quality that exceeds Vista Premium performance. The AD1882 has six DACs and four ADCs, two stereo headphone ports, C/LFE swapping, digital and analog PCBeep, and S/PDIF output, making the AD1882 the right choice for desktop PCs where performance is the primary consideration. The jack retasking feature on this product supports various configurations including platforms for 5.1 on 5 or 3 jacks, and front panel jack retasking.

FEATURES

  2 stereo headphone amplifiers

  Microsoft Vista Premium logo for notebook and desktop 95 dB audio outputs, 90 dB audio inputs

  Internal 32-bit arithmetic for greater accuracy

  Impedance and presence detection on all jack pins

  Digital synthesis PCBeep

  C/LFE channel swapping

  2 general-purpose digital I/O (GPIO) pins

  Advanced power management modes

  EAPD control for internal speakers

  48-lead, Pb-free LFCSP_VQ package

SIX 96 kHz DACs

  3 independent stereo DAC pairs

  Independent 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz sample rates 16-, 20-, and 24-bit PCM resolution

  Selectable stereo mixer on outputs

FOUR 96 kHz ADCs

  2 independent stereo ADC pairs

  Simultaneous record of up to 4 channels

  Independent 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz sample rates 16-, 20-, and 24-bit resolution

S/PDIF OUTPUT

  Supports 44.1 kHz, 48, kHz 88.2 kHz, and 96 kHz sample rates

  16-, 20-, and 24-bit data widths; PCM and AC3 formats

  Digital PCM gain control

DEDICATED AUXILIARY PINS

  Stereo CD input w/GND sense

  Mono out pin for internal speakers or telephony

  Analog PCBeep input pin