Template:FMC640 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 | mΩ | |
| Digital Input: | ||||
| Input resistance (DIN1) | 15 | kΩ | ||
| Input resistance (DIN2) | 15 | kΩ | ||
| Input resistance (DIN3) | 15 | kΩ | ||
| 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 | kΩ | ||
| Input voltage (Recommended Operating Conditions), Range 2 |
0 | +30 | V | |
| Input resistance, Range 2 | 147 | kΩ | ||
| Output Supply Voltage 1-Wire: | ||||
| Supply voltage | +3.3 | +3.9 | 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 | kΩ |
| 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: | ||||
| RS232 input voltage range (common-mode voltage) | -15 | +15 | V | |
| RS485 input voltage range on A or B pin (common-mode voltage) | -7 | +12 | V | |
 |
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 | |