Infrared Temperature Sensor MLX90614

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Infrared Temperature Sensor MLX90614

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The MLX90614 is an infrared thermometer for non-contact temperature measurements. Both the IR sensitive thermopile detector chip and the signal conditioning ASIC are integrated in the same TO-39 can. Integrated into the MLX90614 are a low noise amplifier, 17-bit ADC and powerful DSP unit thus achieving high accuracy and resolution of the thermometer.

The thermometer comes factory calibrated with a digital SMBus output giving full access to the measured temperature in the complete temperature range(s) with a resolution of 0.02°C.

The user can configure the digital output to be pulse width modulation (PWM). As a standard, the 10-bit PWM is configured to continuously transmit the measured temperature in range of -20 to 120°C, with an output resolution of 0.14°C.



  • Input Voltage: 3 - 5V
  • Communication Protocol: I2C
  • Default Address: 0x5A (configurable)
  • Temperature Range: -70°C to +380°C
  • Temperature Resolution: 0.14°C
  • Operating Current: 2.5mA
  • Dimensions: 12 x 17 x 7mm
  • Weight: 2g