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Audio Codec and Amplifier
Item Specification
Audio Controller Realtek ALC669X-GR
Features
High performance DACs with digital >110dB and analog
98dB (A-weighting) signal-to noise]
High performance ADCs with digital > 100dB and analog
90dB (A-Weighting) signal-to noise ratio
Six DAC channels support 16/20/24-bit PCM format for 5.1
sound playback
Two stereo ADCs support 16/20/24-bit PCM format, multiple
stereo recording
All DACs supports 44.1k/48k/96k/192kHz sample rate
All ADCs supports 44.1k/48k/96k/192kHz sample rate
Primary 16/20/24-bit SPDIF-OUT supports
32k/44.1k/48k/88.2k/96k/192kHz sample rate
Secondary 16/20/24-bit SPDIF-OUT supports
32k/44.1k/48k/88.2k/96k/192kHz sample rate
Analog jacks (port-A, B, C, E and G) support stereo input and
output re-tasking
Port-B/C/E/F with software selectable boost gain
(+10/+20/+30dB) for analog microphone input
Supports external PCBEEP input and built-in digital BEEP
generator
Software selectable 2.5V/3.2V VREFOUT
Supports legacy analog mixer architecture
Four channels of digital microphone array input for voice
applications
Two jack detection pins each designed to detect up to 4 jacks
plugging
1.0dB/step playback volume control
1.5dB/step recording volume control
High pass filter to cancel DC offset from AD converter
Jack detection function is supported when device is in power
down mode (D3)
2 GPIOs (General Purpose Input and Output) for customized
applications. GPIO0 and
GPIO1 share
pin with digital microphone
Supports anti-pop mode when analog power AVDD is on and
digital power is off.