Acer Aspire Z1100 Acer Aspire Z1100 Desktop Service Guide - Page 38

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 3W per channel driving capability into 4 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 Audio Interface Item Audio Controller Audio onboard or optional Mono or Stereo Compatibility Sampling rate Specification ALC272 supports Azalia function Onboard Mono HD audio Interface Sample rate up to 192Khz resolution VSR (Variable Sampling Rate) 1-28 Hardware Specifications and Configurations