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