MLX90614 IR Non-Contact Temperature Sensor (-20 to 120 Degree C)

Part Number SPEDE-009570 Categories ,

MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contribute to the MLX90614 s high accuracy and resolution. It has a huge number of applications including body temperature measurment and movement detection.


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The MLX90614 provides two methods of output: PWM and SMBus (i.e. TWI, I2C). The 10-bit PWM output provides a resolution of 0.14 Degree C, while the TWI interface has a resolution of 0.02 Degree C. The MLX90614 is factory calibrated in wide temperature ranges: -40 to 85 Degree C for the ambient temperature and -70 to 382.2 Degree C for the object temperature. The measured value is the average temperature of all objects in the Field Of View of the sensor. The MLX90614 offers a standard accuracy of 0.5 Degree C around room temperatures.


  • Small size, low cost
  • Easy to integrate
  • Factory calibrated in wide temperature range:
    • -40 to +85 Degree C for sensor temperature
    • -70 to +380 Degree C for object temperature
  • SMBus compatible digital interface
  • Customizable PWM output for continuous reading
  • High accuracy of 0.5 Degree C over wide temperature range (0 to +50 Degree C for both Ta and To)
  • Measurement resolution of 0.02 Degree C
  • Single and dual zone versions
  • Simple adaptation for 8 to 16V applications
  • Power saving mode
  • Different package options for applications and measurements versatility
  • Automotive grade