Parameter
Minimum
Typical
Maximum
Rx Threshold High
1.5 V
2.0 V
RS422
Tx Differential Output
1.5 V
Tx Short Circuit Current
±250 mA
Rx Differential Threshold
-0.2 V
-0.05 V
GPIO when set to 5 V
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
1PPS when set to 5 V
Output Voltage Low
0 V
0.3 V
Output Voltage High
4.5 V
5 V
Output Current
50 mA
GPIO when set to 3.3 V
Output Voltage Low
0 V
0.3 V
Output Voltage High
3 V
3.3 V
Output Current
5 mA
Input Voltage
-5 V
5 V
Input Threshold Low
0.8 V
Input Threshold High
2 V
1PPS when set to 3.3 V
Output Voltage Low
0 V
0.1 V
Output Voltage High
3 V
3.3 V
Output Current
50 mA
GNSS Antenna
Active Antenna Supply Voltage
4.5 V
4.6 V
Antenna Supply Current
200 mA
Alarm Output
Voltage
36 V
Current
0.5 A
On Resistance
2.5 ohms
v1.2
Page 17
11 Oct 2022
Boreas Reference Manual • Specifications