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ACS723KMATR-20AB-T is listed in the Current Sensors range at ChipApex. The manufacturer field lists Allegro MicroSystems. Its product description is SENSOR CURRENT HALL 20A AC/DC. Review the specifications below when checking this part for your BOM.
The Allegro MicroSystems ACS723KMATR-20AB-T is a Hall effect, open-loop current sensor IC designed for bidirectional AC and DC current measurement. It features a 20A current rating with a sensitivity of 100mV/A and an accuracy of ±2%. The device operates on a 4.5V to 5.5V supply, drawing a maximum of 14mA. It offers a bandwidth of DC to 80kHz and a response time of 5µs. Packaged in a 16-SOIC (0.295", 7.50mm wide) surface-mount case, it functions within a temperature range of -40°C to 125°C.
Verify the specific suffix 'KMA' to confirm the 16-pin SOIC package variant, as the base model includes other pin counts. Ensure the 'TR' designation matches reel requirements for automated assembly lines. Cross-reference the '20AB' code to validate the 20A rating and specific offset characteristics against design schematics.
Select this component when a wider footprint allows for the 16-pin configuration, which may offer distinct thermal or layout advantages over smaller packages. Compare the ±2% accuracy against the ±3% tolerance found in the 8-pin variants to determine if higher precision is necessary for the application's error budget.
This part belongs to the ACS723 family of Hall effect current sensors from Allegro MicroSystems. It utilizes flip-chip technology to achieve electrical isolation between the signal circuitry and the high-current conduction path. The series is engineered for applications requiring robust performance in electrically noisy environments.
Public confirmed substitute part numbers: ACS723LLCTR-20AB-T.
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