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This board is a simple carrier of Allegro’s ±5 A ACS712T ELC-5B Hall effect-based linear current sensor. This version accepts a bidirectional current input with a magnitude up to 5 A and outputs a proportional analog voltage centered at Vcc/2 with a typical error of ±5%. It's output is analog (185 mV/A).
- Designed for bidirectional input current from -5 A to 5 A (though the robust sensor IC can survive up to five times the overcurrent condition).
- Conductive path internal resistance is typically 1.2 mΩ.
- Use of a Hall effect sensor means the IC is able to electrically isolate (up to 2.1 kV RMS) the current path from the sensor’s electronics, which allows the sensor to be inserted anywhere along the current path and to be used in applications that require electrical isolation.
- 80 kHz bandwidth.
- Good accuracy and reliability: factory calibration results in a typical total output error of ±5% at room temperature, the output offset voltage is extremely stable, and the sensor has zero magnetic hysteresis.
- Operating temperature range of -40°C to 85°C.
- Minimum Operating Voltage: 3V
- Maximum Operating Voltage: 5.5V
- Weight: 1.0 gr
- Allegro ACS712 Datasheet
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