Spatial Reference Manual
Page 35 of 158
Version 4.4
04/06/2019
8.7
Electrical Specifications
Parameter
Minimum
Typical
Maximum
Power Supply
Input Supply Voltage
5 V
36 V
Input Protection Range
-60 V
60 V
RS232
Tx Voltage Low
-5.7 V
-5 V
Tx Voltage High
5 V
6.2 V
Tx Short Circuit Current
±35 mA
±70 mA
Rx Threshold Low
0.8 V
1.3 V
Rx Threshold High
1.7 V
2.5 V
GPIO
Output Voltage Low
0 V
0.3 V
Output Voltage High
4.8 V
5 V
Input Voltage
-20 V
20 V
Input Threshold Low
1.5 V
Input Threshold High
3.5 V
Output Current
5 mA
GNSS Antenna
Active Antenna Supply Voltage
2.9 V
3 V
3.1 V
Antenna Supply Current
75 mA
Table 12: Electrical specifications
