Sensors » Current Sensors » ACS724 Current Sensor Carriers »
ACS724LLCTR-20AU Current Sensor Carrier 0A to 20A
This board is a simple compact carrier of Allegro’s ACS724LLCTR-20AU Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~1.2 mΩ) current path and a high 120 kHz bandwidth for fast response times.
| Part Suffix | Range | Sensitivity @ 5 V | Zero Point @ 5 V | Supply Voltage |
|---|---|---|---|---|
| 20AU | 0-20 A (unidirectional) | 200 mV/A | 0.5 V | 4.5 V to 5.5 V |
Alternatives available with variations in these parameter(s): current range Select variant…
| Description | Specs (10) | Pictures (9) | Resources (6) | FAQs (0) | On the blog (0) | Distributors (30) |
|---|
Dimensions
| Size: | 0.7″ × 0.8″ |
|---|---|
| Weight: | 1.1 g |
General specifications
| Current sense: | 200 mV/A1 |
|---|---|
| Minimum logic voltage: | 4.5 V |
| Maximum logic voltage: | 5.5 V |
| Supply current: | 14 mA2 |
| Current range: | 0A to 20A (unidirectional 20A), 5V |
| Current sensor: | Allegro ACS724LLCTR-20AU |
Identifying markings
| PCB dev codes: | cs01a |
|---|---|
| Other PCB markings: | 0J1214, blank white box |


















