A2TPMI

Datasheet A2TPMI TM 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. E2PROM 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 Serial Interface (SCLK, SDAT) TP PTAT Offset correction + V1 + - V2 Signalprocessor Switch A Vref Control Unit Switch B Switch C Comp 1 Comp 2 Switch D VTobj VTamb / VRef TP: Thermopile PTAT: 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 A2TPMI TM DESCRIPTION The Excelitas A2TPMI ...