AD1883
AD1883 is High Definition Audio SoundMAX Codec manufactured by Analog Devices.
FEATURES
Microsoft Vista Premium Logo for notebook 90+ d B audio outputs, 85 d B 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, Ro Hs pliant 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 k Hz, 11.025 k Hz, 16 k Hz, 22.05 k Hz, 32 k Hz, 44.1 k Hz, 48 k Hz, 88.2 k Hz, 96 k Hz, 176.4 k Hz, and 192 k Hz sample rates 16-, 20-, and 24-bit resolution
S/PDIF OUTPUT
Supports 44.1 k Hz, 48 k Hz, 88.2 k Hz, 96 k Hz, 176.4 k Hz, and 192 k Hz 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 k Hz DACs/ADCs
2 independent stereo DAC/ADC pairs Simultaneous record of 2 stereo channels Simultaneous playback of 2 stereo channels Independent 8 k Hz, 11.025 k Hz, 16 k Hz, 22.05 k Hz, 32 k Hz, 44.1 k Hz, 48 k Hz, 88.2 k Hz, 96 k Hz, 176.4 k Hz, and 192 k Hz 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 PORT E PORT F PCBEEP
S/PDIF-OUT
⌺ ⌺
DIGITAL PCBEEP
⌺
ADC0
PORT B PORT C
ADC1 DIGITAL MICROPHONE
DM_1/2 DM_2 DM_CLK
Figure 1. Functional Block Diagram Rev. 0
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