MLX90614 Non-Contact Infrared Temperature Sensor – Short Range I2C

The MLX90614 is an infrared thermometer designed for non-contact temperature measurements of objects and ambient surfaces. It integrates an IR-sensitive thermopile detector and a signal-conditioning ASIC within a TO-39 metal package, including a low-noise amplifier, 17-bit ADC, and onboard DSP to deliver high accuracy and resolution. This breakout board version allows simple interfacing with microcontrollers using the I2C protocol and operates from a 3 V to 5 V supply. It is well suited for embedded systems, automation, and thermal monitoring applications requiring contactless sensing.

• Non-contact infrared temperature measurement
  
• Integrated thermopile sensor and signal-conditioning ASIC
• 17-bit ADC with onboard DSP processing
  
• I2C digital communication protocol
  
• Wide object temperature sensing range
  
• Measures both object and ambient temperature
  
• Low operating current consumption
  
• 3 V to 5 V supply voltage compatibility
  
• Compact breakout board design
  
• Factory calibrated for accurate readings
  

• Operating Voltage: 3–5 V DC
  
• Operating Current: 2 mA
  
• Communication Protocol: I2C
  
• Sensor Operating Temperature: −40 °C to +125 °C
  
• Object Temperature Range: −70 °C to +380 °C
  
• Sensing Range: Up to 1 cm
  
• Sensor Package: TO-39 metal can
  
• Measurement Type: Non-contact infrared
  
• ADC Resolution: 17-bit
  
• Calibration: Factory calibrated

• MLX90614 Datasheet
• Adafruit MLX90614 library for Arduino, Github
• MLX90614 Non-Contact Infrared Temperature Sensor 3D Model
• Bracket for MLX90614
  

• Tutorial from Adafruit
• MLX90614 Non-contact Infrared Temperature Sensor with Arduino.
  
• How to Connect MLX90614 Infrared Thermometer to Raspberry Pi Pico W: MicroPython Tutorial!