Acer Aspire 5230 Aspire 5230 Service Guide - Page 34

Audio Interface Item Audio Controller Features Battery Item Vendor & model name Battery Type Pack capacity Number of battery cell Package configuration Normal voltage Charge voltage 24 Specification Realtek ALC268S for High Definition Audio Codec • High-performance DACs with 97dB SNR (A-Weighting), ADCs with 90dB SNR (A-Weighting) • Meets premium performance requirements for Microsoft WLP 3.0x and future requirement • Ten DAC channels support 16/20/24-bit PCM format for 7.1 sound playback, plus 2channels of independent stereo sound output (multiple streaming) through the front panel output • 2 stereo ADCs support 16/20/24-bit PCM format recording simultaneously. • All DACs supports 16/20/24-bit, 44.1k/48k/96k/192kHz sample rate • All ADCs supports 16/20/24-bit, 44.1k/48k/96k/192kHz sample rate • Two independent S/PDIF-OUT converters support 16/20/24-bit,44.1k/ 48k/88.2k/96k/192kHz sample rate • High-quality analog differential CD input • Supports external PCBEEP input, built-in digital BEEP generator, and pass through function in D3 mode. • Software selectable 2.5V/3.75V/4.7V VREFOUT • Two jack detection pins each designed to detect up to 4 jacks • Extra jack detection pin for CD input when it is used as an optional line level input, S/PDIF input and output • Support legacy analog mixer architecture • Wide range (-80dB ~ +42dB) volume control with 1.5dB resolution of analog to analog mixer gain • Software selectable boost gain (+10/+20/+30dB) for analog microphone input • All analog jacks are stereo input and output re-tasking for analog plug & play • Built-in headphone amplifiers for each re-tasking jack • Two GPIOs (General Purpose Input and Output) for customized applications • Supports Anti-pop mode when analog power AVDD is on and digital power is off • Support stereo digital microphone interface to improve voice quality • Integrates high pass filter to cancel DC offset generated from digital microphone • 48-pin LQFP 'Green' package • Support low voltage IO for HDA Link (1.5V~3.3V) Specification Chapter 1