器件名称: A2TPMI
功能描述: Thermopile with integrated signal processing circuit
文件大小: 316.84KB 共21页
简 介:Datasheet
A2TPMI
Thermopile with integrated signal processing circuit
FEATURES
Smart thermopile sensor with integrated signal processing. Can be adapted to your specific measurement task. Integrated, calibrated ambient temperature sensor. Output signal ambient temperature compensated. Fast reaction time. Different optics and IR filters available. Digital serial interface for calibration and adjustment purposes. Analog frontend/backend, digital signal processing. 2 E PROM for configuration and data storage. Configurable comparator with high/low signal for remote temperature threshold control. TO 39 6 pin housing.
APPLICATIONS
Miniature remote non contact temperature measurement (pyrometer). Temperature dependent switch for alarm or thermostatic applications Residential, commercial, automotive, and industrial climate control. Household appliances featuring a remote temperature control like microwave oven, toaster, hair dryer. Temperature control in laser printers and copiers. Automotive climate control.
FUNCTIONAL DIAGRAM
Offset correction + TP Switch A Comp 1 Switch C
V1
+
V2
VTobj
PTAT Serial Interface (SCLK, SDAT)
Signalprocessor
Vref
Comp 2
Control Unit
Switch B Switch D
VTamb / VRef
TP: PTAT:
Thermopile Temperature Sensor
VTobj : VTamb : VRef :
Output voltage object temperature Output voltage ambient temperature 1.225 V reference voltage
A2TPMI Datasheet Rev4
Page 1 of 21
Rev. Oct 2003
Datasheet
DESCRIPTION
A2TPMI
The PerkinElme……
