About this item

The MAX31865 is a precision RTD-to-digital converter designed for accurate temperature measurements using PT100 or PT1000 sensors. It features a 15-bit ADC with a nominal temperature resolution of 0.03125°C and offers a total accuracy of ±0.5°C over the full operating range. The device supports 2-, 3-, and 4-wire RTD configurations and communicates via SPI, making it compatible with various microcontrollers. Integrated fault detection, including open RTD and short-circuit protection, enhances system reliability. With ±45V input protection, it's suitable for industrial, medical, and instrumentation applications requiring precise temperature monitoring.

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