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Thermopile Infrared Sensor
TP337
Electrical Characteristics
Parameter
Condition
Min.
Typ.
Max.
Unit
Thermopile
Number of thermojunctions
---
116
---
Chip size
---
1740*1740
---
m2
Active region size
Interference
layer
---
Diameter
545
---
m
Thickness of substrate
Silicon-
substrate
600
625
650
m
Resistance of thermopile
25
50
60
70
K
Sensitivity
With 5-14
m
filter
70
85
100
V/W
Detecctivity
1.0*108
1.3*108
1.7*108 cm*Hz1/2/W
Time constant
---
16
---
ms
Noise voltage
28
31
33
nV/Hz1/2
NEP
0.28
0.36
0.48
nW/Hz1/2
Temperature range
Operation
-20
---
100
Temperature reference resistor
---
Resistance
25
29.1
30.0
30.9
K
Temperature coefficient of resistance 25
3773
3811
3849
K
Measured at 1 Hz chopper frequency, within spectral range 5-14
m, using a blackbody radiator of
500K temperature.
Note : Thermistor should be operated under 1mA.
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