Table of Contents
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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
All Inputs (gain=0dB)
ADC
DAC
Headphone Amplifier Output@32
ADC
DAC
Headphone Amplifier Output@32
ADC
DAC
Headphone Amplifier Output@32
ADC
DAC
Power Supply Rejection
Total Out-of-Band Noise (28.8kHz~100kHz)
Amplifier Gain Step
Crosstalk Between Input Channels
Input Impedance (gain=0dB)
Amplified Output
Non-amplified Output
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.
Revised December 2011
Audio Characteristics
Parameter
SBC-FITPC3
Full-Scale Input Voltage
Full-Scale Output Voltage
S/N (A Weighted)
THD+N
Frequency Response
Output Impedance
CORE System Components
Min
Typical
Max
-
1.6
-
-
1.1
-
-
1.4
-
-
1.6
-
-
90
-
-
96
-
-
95
-
-
-84
-
-
-90
-
-
-80
-
10
-
0.45*Fs
0
-
0.45*Fs
-
-50
-
-
-60
-
-
1.5
-
-
-80
-
-
47
-
-
1
-
-
100
-
Unit
Vrms
Vrms
Vrms
Vrms
dB FSA
dB FSA
dB FSA
dB FS
dB FS
dB FS
Hz
Hz
dB
dB
dB
dB
KΩ
Ω
Ω
12
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