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Evaluation Board, MAX31865 RTD to Digital Converter, Provides Digital Temperature Reading


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MAX31865EVKIT#   Datasheet
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Product Overview

The MAX31865EVKIT# from Maxim Integrated products is an evaluation kit for MAX31865 RTD to digital converter. The MAX31865 is an easy to use resistance to digital converter optimized for platinum resistance temperature detectors (RTDs). An external resistor sets the sensitivity for the RTD being used and a precision delta-sigma ADC converts the ratio of the RTD resistance to the reference resistance into digital form. The EV kit includes a MAX31865ATP+ installed as well as a USB to SPI interface. The USB to SPI master section of the EV kit can be used to interact with MAX31865 EV kit software and exercise the device's functionality. The evaluation kit does not come with an RTD. To evaluate temperature, a user supplied RTD must be connected. This kit comes out of the box optimized for a PT1000 RTD but other value RTDs may also be evaluated with a change of the external reference resistor.
  • Easy evaluation of the MAX31865
  • Fully assembled and tested
  • USB HID interface
  • USB powered 
  • Windows XP, Windows Vista and Windows 7 compatible software
  • Proven PCB layout


Industrial, Medical, Sensing & Instrumentation


Assembled circuit board including MAX31865ATP+ and USB to SPI circuitry, Mini USB cable, Two 0.2inch jumper wires, 1Kohm resistor.

Product Information

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Sensing - Temperature

Maxim Integrated Products


Resistance Temperature Detector (RTD) to Digital Converter

Evaluation Kit MAX31865ATP+, Mini-USB Cable, 2 0.2-inch Jumper Wires, 1kO Resistor


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Technical Docs (2)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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