Datasheet

MLX90640 32x24 IR array
Datasheet
Page 28 of 60
REVISION 11 – 3 AUGUST 2018
11.1.12.
11.1.12.11.1.12.
11.1.12. Restoring the Sensitivity
Restoring the Sensitivity Restoring the Sensitivity
Restoring the Sensitivity 

Please note that there are two sensitivities for the compensation pixel – one for each subpage
’
`CMrh•‚*\SM>

KK

>p%q(¬

>p>(
%
–
a0bcM{-
’
`CMrh•‚*\SM
’
`CMrh•‚*\SM>
!„<
`CMCMC>MR*ƒw]
%
-
†
Where:
’
rf*gSM`C







%
<
=®M®¯®
R*ƒw]

KK

>p%q(¬

>p`>>
%
3v
 (signed)
If =®M®¯®
R*ƒw]
 =®M®¯®
R*ƒw]
=®M®¯®
R*ƒw]
 
11.1.13.
11.1.13.11.1.13.
11.1.13. Restoring the offset of the
Restoring the offset of the Restoring the offset of the
Restoring the offset of the Compensation
Compensation Compensation
Compensation P
PP
Pixel (CP)
ixel (CP)ixel (CP)
ixel (CP)
Please note that there are two offsets for the compensation pixel – one for each subpage
VWWM=®
rh•‚*\SM>


A

 (signed)
If VWWM=®
rh•‚*\SM>
 VWWM=®
rh•‚*\SM>
VWWM=®
rh•‚*\SM>

VWWM=®
rh•‚*\SM
VWWM=®
rh•‚*\SM>
<VWWM=®
rh•‚*\SMMSgƒ*
Where:
VWWM=®
rh•‚*\SMMSgƒ*

KK

>p%q(D

>p`>>
%
3v
(signed)
If VWWM=®
rh•‚*\SMMSgƒ*
 VWWM=®
rh•‚*\SMMSgƒ*
VWWM=®
rh•‚*\SMMSgƒ*
 
11.1.14.
11.1.14.11.1.14.
11.1.14. Restoring the Kv CP coefficient
Restoring the Kv CP coefficientRestoring the Kv CP coefficient
Restoring the Kv CP coefficient


{-

;
,
{-Mšš
%
5
,
a0bc


a0bc

KK

>p%q(

>p>˜>>
%
s
(unsigned) (the same one as for the 
&w…'
coefficients)
Where:


{-Mšš

KK

>p%q(—

>p˜˜>>
%
s
(signed)
If 

{-Mšš
 

{-Mšš


{-Mšš

11.1.15.
11.1.15.11.1.15.
11.1.15. Restoring the Kt
Restoring the KtRestoring the Kt
Restoring the Kta
aa
a CP coefficient
CP coefficientCP coefficient
CP coefficient

?*
{-

;
.0
{-Mšš
%
5
.0
a0bcM3