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Audio Codec and Amplifier
Item Specification
Audio Controller Audio Controller
Features Two stereo DAC support 16/20/24-bit PCM for two independent
playback (multiple streaming)
Two stereo ADC supports 16/20/24-bit PCM format for two
independent recording
All DACs support independent 44.1k/48k/96k/192kHz sample
rate
All ADCs support independent 44.1k/48k/96k/192kHz sample
rate
Two independent SPDIF outputs support 16/20/24-bit format
and 44.1k/48k/88.2k/96k/192kHz rate
Supports line level mono output
Supports analog PCBEEP input, and features an integrated
digital BEEP generator
Support two stereo digital microphone input for microphone
array AEC/BF application
Supports legacy analog mixer architecture
Supports two GPIO (General Purpose Input/Output) pins (pin
sharing with digital microphone interface)
Supports EAPD (External Amplifier Power Down) control for
external amplifier
Supports anti-pop mode when analog power AVDD is on and
digital power is off
Supports 1.5V~3.3V scalable I/O for HD Audio link
48-pin LQFP 'Green' package
Amplifier Realtek ALC105
Features Single-Ended stereo analog input
BTL (Bridge-Tied Load) output provide up to 3W per channel
driving capability into 8 speaker load (5V power is supplied)
No external output L-C filter required
Speaker amplifier power supplies from 3.3V to 5V
10µA Shut Down current
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