STMicroelectronics provides a recommended PCB layout in the application note AN5325, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
The ACS108 does not require calibration, as it is a ratiometric device that provides a direct measurement of the current. However, it's recommended to perform a zero-current calibration to account for any offset voltage. This can be done by measuring the output voltage with no current flowing through the device and subtracting this value from subsequent measurements.
The ACS108 is rated for operation from -40°C to 125°C, but the maximum allowable temperature range depends on the specific application and the desired level of accuracy. For accurate current measurement, it's recommended to operate the device within the -20°C to 85°C range.
The ACS108 is designed for low-frequency current measurement (up to 100 kHz) and is not suitable for high-frequency applications. For high-frequency current measurement, consider using a different device, such as the ACS712 or ACS715, which are designed for high-frequency applications.
The ACS108 has built-in overcurrent and overvoltage protection, but it's still recommended to add external protection circuitry, such as a fuse or a current limiter, to prevent damage to the device. Additionally, ensure that the device is operated within its specified voltage and current ratings.
ACS108-5SA-TR datasheet
by STMicroelectronics
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