Acer AS8950G manual Audio Codec and Amplifier Specification

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.

1-50 Hardware Specifications and Configurations