CompuLab SBC-FITPC3, Справочное руководство

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CORE System Components
Revised December 2011 SBC-FITPC3
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3.4.1 Analog Audio
The Fit-PC3 analog audio sub-system features a stereo line output and a stereo line input
implemented with the ALC888S-VC2 codec.
Analog line output is routed to the audio jack P5. Analog line input is routed to the audio jack P4.
Table 3 Audio Characteristics
Parameter Min Typical Max Unit
Full-Scale Input Voltage
All Inputs (gain=0dB) - 1.6 - Vrms
ADC - 1.1 - Vrms
Full-Scale Output Voltage
DAC - 1.4 - Vrms
Headphone Amplifier Output@32 - 1.6 - Vrms
S/N (A Weighted)
ADC - 90 - dB FSA
DAC - 96 - dB FSA
Headphone Amplifier Output@32 - 95 - dB FSA
THD+N
ADC - -84 - dB FS
DAC - -90 - dB FS
Headphone Amplifier Output@32 - -80 - dB FS
Frequency Response
ADC 10 - 0.45*Fs Hz
DAC 0 - 0.45*Fs Hz
Power Supply Rejection - -50 - dB
Total Out-of-Band Noise (28.8kHz~100kHz) - -60 - dB
Amplifier Gain Step - 1.5 - dB
Crosstalk Between Input Channels - -80 - dB
Input Impedance (gain=0dB) - 47 - K Ω
Output Impedance
Amplified Output - 1 - Ω
Non-amplified Output - 100 - Ω
3.4.2 S/PDIF Output
The S/PDIF output is implemented with the ALC888S-VC2 codec. SPDIF-OUT converter supports
16/20/24-bit, 44.1k/48k/88.2k/96k/192kHz sample rates. The S/PDIF output signal is routed to audio
jack P5.
3.4.3 S/PDIF Input
The S/PDIF input is implemented with the ALC888S-VC2 codec. SPDIF-IN converter supports
44.1k/48k/96k/192kHz sample rates. The S/PDIF input signal is routed to audio jack P4.