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AD694 Monolithic Current Transmitter Datasheet
Photograph
Features
- 4-20 mA, 0-20 mA Output Ranges
- Precalibrated Input Ranges: 1V to 2V, 0V to 10V
- Precision Voltage Reference Programmable to 2.000V to 10.000V
- Single or Dual Supply Operation
- Wide Power Supply Range: +4.5V to +36V
- Wide Output Compliance
- Input Buffer Amplifier
- Open-Loop Alarm
- Optional External Pass Transistor to Reduce Self-Heating Errors
- 0.002% typical Nonlinearity
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | FB - See Datasheet |
| 2 | SIG- - Buffer Amplifier Inverting Input |
| 3 | SIG+ - Buffer Amplifier Noninverting Input |
| 4 | 2V FS - 2V Full Scale |
| 5 | COM - Common |
| 6 | 4mA ADJ - 4mA Adjustment |
| 7 | 10V FORCE - See Datasheet |
| 8 | 2.0V SENSE - See Datasheet |
| 9 | 4mA ON/OFF - 4mA Control |
| 10 | ALARM - See Datasheet |
| 11 | Iout - Current Output |
| 12 | BOOST - See Datasheet |
| 13 | Vs - Positive Supply |
| 14 | BW ADJ - Bandwidth Adjustment |
| 15 | Vos ADJ - Voltage Offset Adjustment |
| 16 | Vos ADJ - Voltage Offset Adjustment |
Dimensional Drawing
Technical Data
