High Temperature Sensor MAX31725 (±0.5°C)
The MAX31725, MAX31726 provides temperature measurements with an accuracy of up to +-0.5°C. MAX31725/26 supports low-power shutdown mode and it operates in temperatures of up to 150°C.
Notes
The MAX31725, MAX31726 temperature sensors has an accuracy of up to +-0.5°C. The extended format mode of the MAX31725 allows for high temperature readings up to 150°C. The MAX31725 can operate in a power saving mode by utilizing the shutdown and one-shot mode.
MAX31725 Key Features
- ±0.5°C Accuracy from -40°C to +105°C (-40°F to 221°F)
- 16-Bit (0.00390625°C) Temperature Resolution
- 2.5V to 3.7V Supply Voltage Range
- Power Saving One-Shot and Shutdown Modes
- 925μA (max) Operating Supply Current
- Extended Temperature Range Mode Measurements Up to +150°C (302°F)
- Selectable Timeout Prevents Bus Lockup
- Separate Open-Drain OS Output Pin Operates as an Interrupt or Comparator/Thermostat Output
- RESET Input Pin on the MAX31726
- 8-pin 3x3 mm TDFN package
| Accuracy °C | Temperature Range °C | Accuracy °F | Temperature Range °F |
| +-0.5°C | -40.0°C to +105°C | +-0.9°F | -40°F to +221°F |
| +-0.7°C | -55°C to +150°C | +-1.26°F | -67°F to +302°F |
MAX31725 Accurate Temperature Sensor example main.cpp code
Import programMAX31725_High_Temperature_Accurate_IC
Sample main.c/cpp code for the Maxim Integrated MAX31725, MAX31726 high temperature sensor with accuracy of to +-0.5°C. Hosted on the MAX32630FTHR. Typical applications are for thermometers, thermostat and over-temperature monitoring.
Last commit 11 Apr 2019 by 
Maxim Integrated
C or C++ Library Code for MAX31725 High Temperature Sensor, Thermometer with alarm outputs
Import libraryMAX31725_Accurate_Temperature_Sensor
C, C++ source code driver software for the Maxim Integrated MAX31725, MAX31726 thermostat : The MAX31725, MAX31726 temperature sensors provides temperature measurements with an accuracy of up to +-0.5°C. Extended format allows for high temperature readings up to 150°C. The MAX31725 can operate in a low powered mode by utilizing the shutdown and one-shot mode. MAX31725 supports two-wire serial, I2C bus communications in an 8-pin TQDFN 3x3 mm package.
Last commit 17 Apr 2019 by Maxim Integrated
MAX31725, MAX31726 to MAX32630FTHR Pinouts
Datasheet
App Notes
- All About Circuits: Cool Down with a Smaller, Lower Power Temperature Sensor
- EDN Selecting the right digital temperature sensor for your application
- Types of Temperature Sensors
- Thermal Handbook
- How to Simplify the Interface between Microcontroller and Temperature Sensor
Product Page
- MAX31725 Local Temperature Sensor
- MAX31726 Local Temperature Sensor
- Temperature Sensor Product Search
Where to Buy
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Maxim Integrated
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Tested boards
MAX32630FTHR