Audio Codec And Amplifier - Acer Aspire Z3801 Service Manual

Audio Codec and Amplifier

Item
Audio Controller
Features
Amplifier
Features
1-30
Realtek ALC272X-GR
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

Realtek ALC105
Single-Ended stereo analog input

BTL (Bridge-Tied Load) output provide up to 5W per channel

driving capability into 8
No external output L-C filter required

Speaker amplifier power supplies from 3.3V to 5V


10 A Shut Down current

Hardware Specifications and Configurations
Specification

speaker load (5V power is supplied)