alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 10



Manufacturer Part Number
7.1+2 Channel High-performance Hda Codec With Content Protection
Realtek Semiconductor Corporation
2.1. Hardware Features
7.1+2 Channel High-Performance HDA Codec
With Content Protection
High-performance DACs with 106dB dynamic range (A-Weight), ADCs with 101dB dynamic range
Meets performance requirements for Microsoft WLP 3.0 Premium desktop and mobile PCs
Ten DAC channels support 16/20/24-bit PCM format for 7.1 sound playback, plus 2 channels of
concurrent independent stereo sound output (multiple streaming) through the front panel output
There stereo ADCs support 16/20/24-bit PCM format, one for stereo microphone, one for legacy
mixer recording
All DACs and ADCs supports 44.1k/48k/96k/192kHz sample rate
16/20/24-bit S/PDIF-OUT supports 44.1k/48k/96k/192kHz sample rate
16/20/24-bit S/PDIF-IN supports 44.1k/48k/96k/192kHz sample rate
Supports 444.1k/48k/96k/192kHz ADAT® digital output
Up to four channels of microphone array input are supported for AEC/BF application
High-quality analog differential CD input
Supports external PCBEEP input and built-in digital BEEP generator
Software selectable 2.5V/3.75V VREFOUT
Two jack detection pins each designed to detect up to 4 jacks
Supports legacy analog mixer architecture
Software selectable boost gain (+10/+20/+30dB) for analog microphone input
All analog jacks are stereo input and output re-tasking for analog plug & play
Built-in headphone amplifiers for each re-tasking jack
Two GPIOs (General Purpose Input and Output) for customized applications, and digital GPI
Volume Control
Supports anti-pop mode when analog power AVDD is on and digital power is off.
Supports stereo digital microphone interface for improved voice quality
Content Protection for Full Rate lossless Audio content playback (with selected versions of
48-pin LQFP ‘Green’ package
ALC885 Series
Rev. 1.1