Denmark - Logic IO RTCU NX-200 Technical Manual

RTCU NX-200 Technical Manual V1.00
Advanced Automotive M2MI/IoT Gateway
3 pin SPK Out
Pin Name
Tip SPK_OUT_P
Ring SPK_OUT_N
Sleeve N.A.
3 pin MIC In
Pin Name
Tip MIC_BIAS
Ring MIC_IN
Sleeve GND
The specifications on the audio interface connectors are as following:
Parameter
Impedance
Output power
Headphone impedance
Full -scale input voltage
Mic. bias voltage
Logic IO ApS.
Holmboes Allé 14
8700 Horsens

Denmark

Description
Differential speaker positive (+) output
Differential speaker negative (-) output
Not connected internally
Description
Bias voltage to the microphone
Audio signal from the microphone
Signal ground
Min.
4
-
-
16
-
-
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Typ. Max. Unit
- - Ω
- 2.1 W
- 1.4 W
- - Ω
- 0.74 Vrms
2.5 - V
Description
@ 4 ohm 50pF load
@ 8 ohm 50pF load
AC coupled
±10%
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