AD1883| Datasheet

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High Definition Audio SoundMAX Codec AD1883
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

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

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

H D A U D I O I N T E R F A C E

DAC0 DAC1

PORT A PORT D MONO OUT

S/PDIF-OUT

PORT E PORT F

DIGITAL PCBEEP

PCBEEP PORT B

ADC0

PORT C

ADC1 DIGITAL MICROPHONE

DM_1/2 DM_2 DM_CLK

AD1883

Figure 1. Functional Block Diagram Rev. 0
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