TC62X固体温度传感器中的应用

Sensingtemperatureandcomparingthattemperature

topresetlimitsisthebasisforavarietyofproblemsthat

designersfaceinsystemdesignandprocesscontrol.

Conventionaltemperaturesensingsolutions,suchas

thermocouplesandRTDs,requireadditionalelectronic

componentstolinearizeandamplifytheirlow-levelout-

puts.Sinceelectroniccomponentsarealreadyinthe

circuit,semiconductormanufacturershavebegunadd-

ingtemperaturesensingfunctionstotheiramplifierand

referencecircuits.Theresulthasbeenanewgenera-

tionofsmall,easy-to-usetemperaturesensing

products.MAN762ApplicationsoftheTC62XSolid-StateTemperatureSensorsoption(i.e.toturnonafanatthehighlimit)andan‘H’,Author:WesFreemanorHeat,option(i.e.tokeepaheateronuntilthehighMicrochipTechnologyInc.limitisreached).INTRODUCTION8VCCSensingtemperatureandcomparingthattemperature1.2Vt°(PTC)