AK9752 Datasheet, PDF (31/36 Pages) Asahi Kasei Microsystems – Ultra-small IR sensor IC with IC

[AK9752]
16. IR sensor output (Reference)
IR sensor output corresponding to temperature of observed object (Tobj) is shown below.
This is a reference data in case that ambient temperature (Ta) is 25 ºC and Field of View (FOV) is 115 º.
40,000
30,000
20,000
10,000
Ta=25℃
FOV=115°
0
-10,000
-20,000
-30,000
-40,000
0
10
20
30
40
50
Tobj [℃]
Figure 16.1. IR sensor output
[Measurement Conditions]
Ambient temperature (Ta)
Light source
Field of View (FOV)
Distance between sensor and light source
25ºC
Plane Surface Blackbody
115 º (determined by a hole in a board)
20mm
20mm
115°
The sensor only observes
the plane blackbody.
AK9752
Mounting Board
Plane Blackbody
Figure 16.2. Measurement environment
016016473-E-00
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