GENERAL DESCRIPTION

The AD1989B audio codec and SoundMAX® software provides superior HD audio quality that exceeds Vista Premium performance. The AD1989B has ten 101 dB DACs and six 92 dB ADCs, three stereo headphone ports, C/LFE swapping, digital and analog PCBeep, and two independent S/PDIF outputs, making the AD1989B the right choice for PCs where performance and a rich feature set are primary considerations.

FEATURES

Ten 192 kHz, 101 dB DACs

7.1 surround sound plus independent headphone

All independent sample rates, 8 kHz through 192 kHz

Selectable stereo mixer on outputs

16-, 20-, and 24-bit resolution

Six 192 kHz, 92 dB ADCs

Simultaneous record of up to 3 stereo channels

All independent sample rates, 8 kHz through 192 kHz

16-, 20-, and 24-bit resolution

S/PDIF output

2 independent transmitters, second S/PDIF can support

external HDMI interface

Supports 44.1 kHz through 192 kHz sample rates

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

Digital PCM gain control

S/PDIF input

Supports 44.1 kHz through 192 kHz sample rates

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

Digital PCM gain control

Auto synchronizes to source sample rate

Dedicated auxiliary pins

Stereo CD/auxiliary I/O port w/GND sense

MONO_OUT pin for internal speaker with EAPD support

Microsoft Vista Premium® logo compliant

Support up to 9 audio jacks

Impedance and presence detection; retasking

5 adjustable microphone bias pins

Digital and analog PCBeep

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

Multiple EAPD pins for external circuit control

3.3 V analog and digital supply voltages

1.5 V and 3.3 V HD Audio link signaling

Advanced power management modes