Data Sheet

MLX90640 32x24 IR array
Datasheet
Page 22 of 60
REVISION 11 – 3 AUGUST 2018
11. Calculating Object Temperature
11.1.
11.1.11.1.
11.1. Restoring calibration data from EERPOM
Restoring calibration data from EERPOMRestoring calibration data from EERPOM
Restoring calibration data from EERPOM
NOTE: All data in the EEPROM is coded as two’s complement (unless otherwise noted)
In the example we are restoring the calibration data for pixel (12, 16)
11.1.1.
11.1.1.11.1.1.
11.1.1. Restoring the VDD sensor parameters
Restoring the VDD sensor parametersRestoring the VDD sensor parameters
Restoring the VDD sensor parameters
Following formula is used to calculate the VDD of the sensor:
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11.1.2.
11.1.2.11.1.2.
11.1.2. Restoring the Ta sensor parameters
Restoring the Ta sensor parametersRestoring the Ta sensor parameters
Restoring the Ta sensor parameters
Following formula is used to calculate the Ta of the sensor:
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