OTC-238 Datasheet, PDF (6/6 Pages) List of Unclassifed Manufacturers – THERMOPILE INFRARED SENSOR

▓ Application circuit
Circuit 1 :
+5V
C1
R1 _Thermopile
R4
1
+
-
R2
3
2
4
Reference
Resistor
R3
C3 _R5
C4
+
OP
-
R6
C5
C2
Vout
C6
Circuit 2 :
Pre-Amplification Circuit
+
A2
+5V
Thermopile (+) -
1+
3-
R1
Thermopile (-)
+
+
A1
A3
-
-
R2
R7
Vout
Adder
C1
C3
R8
C2
R9
Ambient Temperature
Compensation Circuit
+5V
R10
C4
R13
R11
2
4
reference
resistor
R12