EVB90620 Datasheet, PDF (32/39 Pages) Melexis Microelectronic Systems – High precision non-contact temperature measurements

10.2 Field Of View (FOV)
Point heat source
100%
MLX90620
16x4 IR array
Sensitivity
50%
Field Of View
Rotated
sensor
Angle of incidence
Figure 25: Field Of View measurement
The specified FOV is calculated for the wider direction, in this case for the 16 pixels.
Angular alignment must be 5% of specified FOV and will be valid for both directions. For example for the 60
deg FOV in wider direction will come with 16.4 deg in shorter direction.
FOV
Wide
Medium
X direction
Typ
60
40
Y direction
Typ
16.4
10.4
Table 18 Available FOV options
3001090620
Rev 4.0
Page 32 of 40
Datasheet IR16x4
19 September 2012