MLX90616ESF-HCA High Stability Infrared Sensor IC Introduced

Published:2011/12/22 1:08:00 Author:Amy From:SeekIC

The MLX90616ESF-HCA thermopile sensor is very suited for current high end thermometer guns in fast temperature change environment. A stabilization period of up to ½ hour in a new environment is often required to achieve accurate measurements. With integrated electronic stabilization function, the sensor uses proprietary technology to reduce the stabilization period to less than half a minute. The MLX90616ESF-HCA integrates a secondary thermopile sensor to detect temperature variations in the package and in the optical assembly. The signal of this secondary sensor is used to compensate electronically for the adverse effect on the measurement. The IC is very suited for applications that the user places a lens in front of the sensor to adjust the FOV to their application. The MLX90616 is capable to measure high object temperatures with a maximum of 1030ºC.

The device is in a wide temperature range of -40 to 85˚C. For integration in thermometer guns it comes with an 8 to 12 micron optical filter. The integrated electronics will calculate the object temperature based on the internal temperature, the thermopile output and the calibration data stored in the EEPROM by the thermometer manufacturer during their calibration process.

The calculated object and ambient temperatures are available from RAM memory with a resolution of 0.02 ˚C. They are accessible by a 2 wire serial SMBus compatible protocol (0.02°C resolution) or via 10-bit PWM (Pulse Width Modulated) output.

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