Datasheet
MLX90640 32x24 IR array 
Datasheet 
Page 52 of 60
REVISION 11 – 3 AUGUST 2018 
12.3.
12.3.12.3.
12.3. Field of view (FOV)
Field of view (FOV)Field of view (FOV)
Field of view (FOV) 
Figure 24: Field Of View measurement 
The specified FOV is calculated for the wider direction, in this case for the 32 pixels. 
FOV 
X direction  Y direction 
Central pointing from normal
(X & Y direction) 
Typ
Typ
Max
MLX90640-ESF-BAA  110°  75°  5° 
MLX90640-ESF-BAB  55°  35°  3° 
Table 15 Available FOV options 
Point heat source
Rotated sensor
Angle of incidence
100%
50%
Sensitivity
Field Of View










