Acer Aspire 5230 Service Manual 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
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
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future requirement
Ten DAC channels support 16/20/24-bit PCM format for 7.1 sound
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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
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simultaneously.
All DACs supports 16/20/24-bit, 44.1k/48k/96k/192kHz sample rate
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All ADCs supports 16/20/24-bit, 44.1k/48k/96k/192kHz sample rate
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Two independent S/PDIF-OUT converters support 16/20/24-bit,44.1k/
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48k/88.2k/96k/192kHz sample rate
High-quality analog differential CD input
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Supports external PCBEEP input, built-in digital BEEP generator, and
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pass through function in D3 mode.
Software selectable 2.5V/3.75V/4.7V VREFOUT
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Two jack detection pins each designed to detect up to 4 jacks
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Extra jack detection pin for CD input when it is used as an optional line
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level input, S/PDIF input and output
Support legacy analog mixer architecture
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Wide range (-80dB ~ +42dB) volume control with 1.5dB resolution of
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analog to analog mixer gain
Software selectable boost gain (+10/+20/+30dB) for analog
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microphone input
All analog jacks are stereo input and output re-tasking for analog plug
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& play
Built-in headphone amplifiers for each re-tasking jack
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Two GPIOs (General Purpose Input and Output) for customized
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applications
Supports Anti-pop mode when analog power AVDD is on and digital
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power is off
Support stereo digital microphone interface to improve voice quality
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Integrates high pass filter to cancel DC offset generated from digital
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microphone
48-pin LQFP 'Green' package
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Support low voltage IO for HDA Link (1.5V~3.3V)
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Specification
Specification
Chapter 1