A good PCB layout for the OPT101P involves keeping the analog and digital grounds separate, using a star-ground configuration, and placing the device close to the analog-to-digital converter (ADC) to minimize noise. Additionally, using a ground plane and shielding the device from digital signals can help reduce electromagnetic interference (EMI).
Calibration of the OPT101P involves adjusting the zero-point and span of the device to match the specific application requirements. This can be done by applying a known input voltage and adjusting the offset and gain of the device to achieve the desired output. It's recommended to follow the calibration procedure outlined in the datasheet or application notes.
The OPT101P can handle input voltages up to ±40V without damage. However, it's recommended to limit the input voltage to ±10V to ensure accurate readings and prevent damage to the device.
The OPT101P is rated for operation up to 125°C, making it suitable for high-temperature applications. However, the device's accuracy and linearity may degrade at higher temperatures, so it's essential to consider the temperature coefficient of the device when designing the application.
To ensure EMC when using the OPT101P, it's essential to follow proper PCB layout and design practices, such as using a ground plane, shielding the device, and minimizing loop areas. Additionally, using a common-mode filter or a ferrite bead can help reduce electromagnetic interference (EMI).
OPT101P datasheet
by Texas Instruments
