Acer Aspire Z3801 Acer Aspire Z3801 Desktop Service Guide - Page 40

Audio Codec and Amplifier Item Audio Controller Features Amplifier Features Specification 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 speaker load (5V power is supplied)  No external output L-C filter required  Speaker amplifier power supplies from 3.3V to 5V  10A Shut Down current 1-30 Hardware Specifications and Configurations