COMPARISON OF MAX31865ATP AND MAX31855 CHIPS

A. Simonenko; M. V. Popov; A. S. Yagodkin

doi:doi:10.58168/MIST2026_1330-1339

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COMPARISON OF MAX31865ATP AND MAX31855 CHIPS

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COMPARISON OF MAX31865ATP AND MAX31855 CHIPS

Section: SECTION 3. MODERN ELECTRONIC COMPONENT BASE

Proceedings: MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 : PROCEEDINGS OF THE INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE DEDICATED TO THE 5TH ANNIVERSARY OF THE FACULTY OF COMPUTER SCIENCE AND TECHNOLOGY, VORONEZH, MARTH 30, 2026

UDC 004

A. Simonenko ¹

M. V. Popov ²

A. S. Yagodkin ³

Author and publication information

Authors:

1. Voronezh State University of Forestry and Technologies named after G.F. Morozov
Russian Federation

2. Voronezh State University of Forestry and Technologies named after G.F. Morozov

3. Voronezh State University of Forestry and Technologies named after G.F. Morozov
Russian Federation

Type:

Сonference article

DOI:

https://doi.org/10.58168/MIST2026_1330-1339

Pages:

from 1330 to 1339

Published:

30.06.2026

Subject area:

UDC 004

Language:

Russian

Keywords:

temperature measurement, MAX31865, MAX31855, RTD, Pt100, K-type thermocouple, STM32, SPI

Abstract and keywords

Abstract:
This article compares the MAX31865ATP and MAX31855 integrated circuits used for temperature measurement with RTDs and K-type thermocouples. The operating principles, functional features, and SPI interface specifics are discussed. RTD sensors and thermocouples are compared in terms of accuracy, temperature range, and circuit complexity. Minimal STM32 HAL-based code examples and practical usage considerations are also presented.

Keywords:
temperature measurement, MAX31865, MAX31855, RTD, Pt100, K-type thermocouple, STM32, SPI

References

1. MAX31865ATP – RTD-to-Digital Converter Datasheet // Maxim Integrated (now Analog Devices). URL: https://www.alldatasheet.com/datasheet-pdf/view/1338695/MAXIM/MAX31865ATP%2BT.html (data obrascheniya: 05.02.2026).

2. MAX31855 – Cold-Junction Compensated Thermocouple-to-Digital Converter Datasheet // Maxim Integrated (now Analog Devices). URL: https://www.alldatasheet.com/datasheet-pdf/pdf/1338700/MAXIM/MAX31855.html (data obrascheniya: 05.02.2026).

3. How to Use MAX31865: Examples, Pinouts, and Specs // Cirkit Designer. URL: https://docs.cirkitdesigner.com/component/ec5ccc8d-228e-4641-af41-288bd755d3d4/max31865 (data obrascheniya: 05.02.2026).

4. STM32 with MAX31865 RTD-to-Digital Converter // Hackster.io. Published June 6, 2024. URL: https://www.hackster.io/theembeddedthings/stm32-with-max31865-rtd-to-digital-converter-aa347d (data obrascheniya: 05.02.2026).

5. MAX31865 RTD Sensor and Arduino // Makerguides.com. URL: https://www.makerguides.com/max31865-rtd-sensor-and-arduino-uno/ (data obrascheniya: 05.02.2026).

6. MAX31855 K-Type Thermocouple Temperature Sensor // ESPHome.io. URL: https://esphome.io/components/sensor/max31855/ (data obrascheniya: 05.02.2026).

7. Komp'yuternoe modelirovanie rabotosposobnosti elektricheskoy she-my v sistemah avtomatizacii proektirovaniya / V. K. Zol'nikov, S. V. Stoya-nov, E. V. Shmakov, N. N. Litvinov // Modelirovanie sistem i processov. – 2024. – T. 17, № 3. – S. 26-36. – DOIhttps://doi.org/10.12737/2219-0767-2024-24-34. – EDN EJJKJP. DOI: https://doi.org/10.20948/mm-2024-02-01

8. Formalizaciya verifikacii topologii i elektricheskoy shemy dlya sistem avtomatizirovannogo proektirovaniya / T. V. Skvorcova, K. V. Zol'nikov, A. M. Plotnikov, I. V. Skorkin // Modelirovanie sistem i processov. – 2024. – T. 17, № 3. – S. 61-70. – DOIhttps://doi.org/10.12737/2219-0767-2024-59-68. – EDN DUYQHJ.

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