中英文资料外文翻译文献毕业论文中英文资料外文翻译文献外文资料DS1722DigitalThermometerWithscientificandtechnologicalprogressanddevelopmentofthetypesoftemperaturesensorsincreasinglywiderangeofapplicationoftheincreasinglywidespread,andthebeginninganalogtowarddigital,single-bus,dual-busandbus-3direction.AndthenumberoftemperaturesensorsbecausetheyapplytoallmicroprocessorinterfaceconsistingofautomatictemperaturecontrolsystemsimulationcanbeovercomesensorandmicroprocessorinterfaceneedsignalconditioningcircuitandA/Dconvertersadvantagesofthedrawbacks,hasbeenwidelyusedinindustrialcontrol,electronictransducers,medicalequipmentandothertemperaturecontrolsystem.Amongthem,whicharemorerepresentativeofadigitaltemperaturesensorDS18B20,MAX6575,theDS1722,MAX6636other.ThispaperintroducestheDS1722digitaltemperaturesensorcharacteristics,theuseofthemethodanditstiming.Internalstructureandotherrelevantcontent.FEATURES:Temperaturemeasurementsrequirenoexternalcomponents;Measurestemperaturesfrom-55°Cto+120°C.Fahrenheitequivalentis-67°Fto+248°F;Thermometeraccuracyis±2.0°C;Thermometerresolutionisconfigurablefrom8to12bits(1.0°Cto0.0625°Cresolution);Dataisreadfrom/writtentoviaaMotorolaSerialPeripheralInterface(SPI)orstandard3-wireserialinterface;Wideanalogpowersupplyrange(2.65V-5.5V);Separatedigitalsupplyallowsfor1.8Vlogic;Availableinan8-pinSOIC(150mil),8-pinUSOP,andflipchippackage;PINASSIGNMENTFIGURE1PINASSIGNMENTPINDESCRIPTION:SERMODE-SerialInterfaceMode.CE-ChipEnable.SCLK-SerialClock.GND–Ground.VDDA-AnalogSupplyVoltage.SDO-SerialDataOut.SDI-SerialDataIn.VDDD-DigitalSupplyVoltage.DESCRIPTION:TheDS1722DigitalThermometerandThermostatwithSPI/3-WireInterfaceprovidestemperaturereadingswhichindicatethetemperatureofthedevice.Noadditionalcomponentsarerequired;thedeviceistrulyatemperature-to-digitalconverter.TemperaturereadingsarecommunicatedfromtheDS1722overaMotorolaSPIinterfaceorastandard3-wireserialinterface.Thechoiceofinterfacestandardisselectablebytheuser.Forapplicationsthatrequiregreatertemperature