Far Infrared Sensor Array at High Speed with Low Noise (16x4 RES)


The MLX90621 delivers unmatched noise versus speed performance providing 0.4K NETD (noise equivalent temperature difference) at 16Hz. It is available in small size, TO39 metal can package for a cost effective 16x4 pixel thermal array. Factory calibrated to operate over a wide temperature range of -40 to 85 °C for sensor temperature it can measure object temperatures over the range of -20 to 300 °C. The device is available in three field of view options, including 60°x15°, 40°x10° and 120°x30°.Interface and control is managed via high speed I2C digital interface. The speed is programmable from a frame rate 0.5 to a frame rate of 512 Hz.

MLX90621 delivers unmatched performance and establishes a new milestone in the field of low cost, low resolution thermal imagers, enabling and facilitating a myriad of novel, low cost applications.
Far Infrared Sensor Array at High Speed with Low Noise (16x4 RES) - MLX90621

Features and benefits

  • Unmatched noise versus speed performance: 0.4K NETD at 16 Hz

  • Small size, cost effective 16x4 pixel, thermal array

  • Factory calibrated in wide temperature range: -40 to 85°C for sensor temperature and -20 to 300°C for object temperature

  • Three field of view options: 60°x15°, 40°x10° and 100°x25°

  • High speed I2C digital interface for fast data transfer

  • Programmable frame rate 0.5 to 512 Hz

Practical application

Temperature measurement

Melexis has an extensive portfolio of infrared (IR) temperature sensor devices that enable high accuracy, noncontact temperature sensing in domestic appliances and industrial inspection applications.


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Used in these


  • Automotive - Body, HVAC, Comfort & Lighting
  • Medical & Healthcare
  • Industrial & Robotics
  • Building, Security, Home & Office Automation
  • Consumer Solutions
  • White Goods & Household Appliances

Inspired Engineering

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