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
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