A 4-layer PCB with a solid ground plane and thermal vias under the device is recommended. This helps to dissipate heat efficiently and reduces thermal resistance.
Calibrate the device using the CAL pin, and ensure that the thermistor is properly connected and not subject to self-heating. Also, use a low-noise, low-impedance connection to the thermistor.
The maximum cable length depends on the specific application, but as a general rule, keep the cable length as short as possible (less than 1 meter) to minimize noise and errors.
The ADT7301 is optimized for use with 10 kΩ NTC thermistors. Using a different type of thermistor may require adjustments to the calibration and may affect accuracy.
Use proper PCB layout techniques, such as grounding and shielding, to minimize EMI. Also, consider using EMI filters or shielding on the thermistor connection.
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ADT7301ARTZ-500RL7 Overview
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About Analog Devices
Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries.
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