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Datasheet A2TPMI
Thermopile with integrated signal processing circuit
FEATURES
APPLICATIONS
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·
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Smart thermopile sensor with integrated
signal processing.
Can be adapted to your specific meas-
urement task.
Integrated, calibrated ambient tempera-
ture sensor.
Output signal ambient temperature com-
pensated.
Fast reaction time.
Different optics and IR filters available.
Digital serial interface for calibration and
adjustment purposes.
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·
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Miniature remote non contact temperature
measurement (pyrometer).
Temperature dependent switch for alarm or
thermostatic applications
Residential, commercial, automotive, and in-
dustrial climate control.
Household appliances featuring a remote tem-
perature control like microwave oven, toaster,
hair dryer.
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Temperature control in laser printers and copi-
ers.
Automotive climate control.
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Analog frontend/backend, digital signal
processing.
E2PROM for configuration and data stor-
age.
Configurable comparator with high/low
signal for remote temperature threshold
control.
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TO 39 6 pin housing.
FUNCTIONAL DIAGRAM
Offset correction
+
Switch C
+
V2
V1
TP
VTobj
-
Switch A
Comp 1
Comp 2
Signal-
processor
Vref
PTAT
VTamb / VRef
Serial Interface
(SCLK, SDAT)
Control Unit
Switch D
Switch B
TP:
Thermopile
VTobj
VTamb
VRef
:
:
:
Output voltage object temperature
Output voltage ambient temperature
1.225 V reference voltage
PTAT: Temperature Sensor
A2TPMI Datasheet Rev4
Page 1 of 21
Rev. Oct 2003
PERKINELMER [ PERKINELMER OPTOELECTRONICS ]
