Data Sheet
MLX90640 32x24 IR array
Datasheet
Page 43 of 60
REVISION 11 – 3 AUGUST 2018
11.2.2.8.
11.2.2.8.11.2.2.8.
11.2.2.8.
Normalizing to sensitivity
Normalizing to sensitivityNormalizing to sensitivity
Normalizing to sensitivity
’
f]i‚
&
%‹
'
+’
&
%‹
'
)±=!E
&
®IZZY••
'
!’
`C
lŒ0«c
v
<®IZZY••!’
`CMrh•‚*\SM
L:!‡<
r?*
!
&
)
*
)
*>
'
ˆ
’
`CMrh•‚*\SM>
KK
>p%q(¬
>p>(
%
–
a0bcM{-
>pKqq‹>p>(
%
–
a0bcM{-
>pKqq‹>p>(
%
|u
>p>>q‹
%
|u
¼ ºº
’
`CMrh•‚*\SM
’
`CMrh•‚*\SM>
!„<
`CMCMC>
102_d
%
-
†¼ ºº!„<
7¸
%
-
†
’
`CMrh•‚*\SM
¼N Nº
Where:
’
rf*gSM`C
%
<
ºA
%
<<
=®M®M®
R*ƒw]
KK
>p%q(¬
>p`>>
%
3v
>pKqq‹>p`>>
%
3v
º
If =®M®M®
R*ƒw]
X
?*
;r
.0Mšš
%
3|
7‹
%
3|
¼º
Where:
X
?*MKK
KK
>p%q(
>p˜˜>>
%
s
>p>%>>p˜˜>>
%
s
(common for all pixels)
If X
?*MKK
’
&
%‹
'
“
1c”c1cnac
•D``
1de
38
!%
/{{
a0bc
1de
•D``
adblmn
3t
!%
/{{
a0bc
adblmn
•“
_•cb
&
%‹
'
!%
/{{
a0bc
1cmn0n2
%
–
a0bc
Where:
’
RSTSRSjfS
’
rf*gS
%
<
ºA
%
<<
A==
R]^
38
KK
>p%q%q
>p>>>
%
38
>p((((>p>>>
%
38
If ¾ A==
R]^
38
A==
rf*gS
1de
KK
>p%q%>
>p>>>
%
s
>p¸¬D‹>p>>>
%
s
ºº
A==
f]ghij
3t
°
%
%
If A==
f]ghij
3t
A==
rf*gS
adblmn
KK
>p%q%>
>p>>>
%
u
>p¸¬D‹>p>>>
%
u
A
’
‚wpSg
&
'
N‰
‰
q
NA‰
q
A
If ¾
’
‚wpSg
&
'