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
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