Template:FMB640 Electrical characteristics

Electrical characteristics

Characteristic description Value
Min. Typ. Max. Unit
Supply Voltage:
Supply Voltage
(Recommended Operating Conditions)
+10 +30 V
Digital Output (Open Drain grade):
Drain current (Digital Output OFF) 120 µA
Drain current
(Digital Output ON, Recommended Operating Conditions)
0.5 A
Static Drain-Source resistance
(Digital Output ON)
400 300
Digital Input:
Input resistance (DIN1) 15
Input resistance (DIN2) 15
Input resistance (DIN3) 15
Input voltage
(Recommended Operating Conditions)
0 Supply voltage V
Input Voltage threshold (DIN1) 7.5 V
Input Voltage threshold (DIN2, DIN3, DIN4) 2.5 V
Analog Input:
Input voltage
(Recommended Operating Conditions), Range 1
0 +10 V
Input resistance, Range 1 120
Input voltage
(Recommended Operating Conditions), Range 2
0 +30 V
Input resistance, Range 2 147
Output Supply Voltage 1-Wire:
Supply voltage +4.5 +4.7 V
Output inner resistance 7 Ω
Output current (Uout > 3.0 V) 30 mA
Short circuit current (Uout = 0) 75 mA
CAN Interface:
Internal terminal resistors CAN bus 120 Ω
Differential input resistance 19 30 52
Recessive output voltage 2 2.5 3 V
Differential input resistance 0.5 0.7 0.9 V
Common mode input voltage -30 30 V
Power supply current (Hardware version with internal battery):
Deep Sleep, average, Icc.ds 2.5 4 mA
Sleep, average, Icc.ds, Vcc=10V 45 mA
Sleep, average, Icc.ds, Vcc=30V 25 mA
Ucc=12.6V, all modules fully working, internal battery is charging, Icc1 350 mA
Ucc=12.6V, all modules fully working, internal battery is charging, Icc2 300 mA
Ucc=25.2V, all modules fully working, internal battery is charging, Icc3 195 mA
Ucc=25.2V, all modules fully working, internal battery is charging, Icc4 140 mA
RS232/RS485 Input Voltage:
RS485 input voltage range on A or B pin (common-mode voltage) -7 +12 V
RS232 input voltage range (common-mode voltage) -15 +15 V


Alert.png
Analog Input error margin can increase if temperature varies.

Absolute maximum ratings

Characteristic description Value
Min. Typ. Max. Unit
Supply Voltage
(Absolute Maximum Ratings)
-32 +32 V
Drain-Source clamp threshold voltage
(Absolute Maximum Ratings), (Idrain = 2 mA)
+36 V
Digital Input Voltage
(Absolute Maximum Ratings)
-32 +32 V
Analog Input Voltage
(Absolute Maximum Ratings)
-32 +32 V
RS232 Input Voltage (Absolute Maximum Ratings) -25 +25 V