A good PCB layout for the ACS102-6TA-TR involves keeping the current sense lines as short as possible, using a ground plane to reduce noise, and placing the device close to the current-carrying conductor to minimize the loop area.
Calibration involves applying a known current to the device and adjusting the gain and offset of the output signal to match the expected value. This can be done using an external calibration circuit or through software calibration.
The ACS102-6TA-TR is rated for operation from -40°C to 125°C, but the device can be derated for higher temperatures. Consult the datasheet for specific derating curves.
Use a shielded enclosure, keep the device away from high-frequency sources, and use a common-mode choke or ferrite bead to filter out EMI. Additionally, use a low-pass filter on the output signal to reduce high-frequency noise.
A simple RC low-pass filter with a cutoff frequency of around 100 kHz is recommended to filter out high-frequency noise and aliasing. The exact filter values depend on the specific application and noise requirements.
ACS102-6TA-TR datasheet
by STMicroelectronics
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