
8
The audio system of the SBC-FitPC2i is implemented using Realtek ALC662 – a 5.1
channel high-definition audio codec chip in a 2-channel mode.
• The line stereo output connects to the on-board audio jack (P9).
• The line-in and microphone inputs are connected together to a 3.5mm audio jack (P4).
Audio Specifications:
Parameter Min Typ Max Units
Full Scale Input Voltage
All Inputs (gain=0dB)
All ADC
-
-
1.6
1.4
-
-
Vrms
Vrms
Full Scale Output Voltage
All DAC
-
1.4
-
Vrms
S/N (A Weighted)
Headphone amp
ADC
DAC
-
-
-
98
90
98
-
-
-
dB FSA
dB FSA
dB FSA
THD+N
Headphone amp (32 Ohm load)
ADC
DAC
-
-
-
-75
-85
-92
-
-
-
dB FS
dB FS
dB FS
Frequency Response
ADC, DAC
20000
-
-
Hz
Crosstalk Between Output Channels
1kHz
20 kHz
-
-
-90
-80
-
-
dB
dB
Input Impedance (gain=0dB) 40
kOhm
Output Impedance
Line Output
-
100
-
Ohm
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