Product Summary

The ALC883 is a High Definition Audio (HDA) codec. It is compliant with Microsoft’s UAA (Universal Audio Architecture). The ALC883 provides 10 DAC channels that simultaneously support 7.1 sound playback, plus 2 channels of independent stereo sound output (multiple streaming) through the front panel stereo output. Flexible mixing, mute, and fine gain control functions provide a complete integrated audio solution for home entertainment PCs. The applications of the ALC883 include Desktop multimedia PCs, Entertainment PCs for digital home application and Information appliances (IA) e.g., set-top-box.

Parametrics

ALC883 absolute maximum ratings: (1)Power Supplies: Digital,DVDD: 3.0 to 3.6V; 3.3V typ; (2)Analog, AVDD: 3.5 to 5.25V; 5.0V typ; (3)Ambient Operating Temperature, Ta: 0 - +70℃; (4)Storage Temperature, Ts: +125℃.

Features

ALC883 features: (1)High-performance DACs with 95dB SNR (A-Weighting), ADCs with 85dB SNR (A-Weighting); (2)Meets performance requirements for audio on PC2001 systems and Microsoft WLP 2.x; (3)Ten DAC channels support 16/20/24-bit PCM format for 7.1 sound playback, plus 2 channels of independent stereo sound output (multiple streaming) through the front panel output; (4)2 stereo ADCs support 16/20/24-bit PCM format, one for stereo microphone, one for legacy mixer recording; (5)All DACs supports 44.1K/48K/96K/192kHz sample rate; (6)All ADCs support 44.1K/48K/96K sample rate; (7)16/20/24-bit S/PDIF-OUT supports 44.1K/48K/96/192kHz sample rate; (8)16/20/24-bit S/PDIF-IN supports 44.1K/48K/96 sample rate; (9)Up to four channels of microphone array input are supported for AEC/BF application; (10)High-quality analog differential CD input; (11)Supports external PCBEEP input and built-in digital BEEP generator; (12)Software selectable 2.5V/3.75V VREFOUT; (13)Two jack detection pins each designed to detect up to 4 jacks.

Diagrams

ALC883 block diagram

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