长双绞线读取的数字温度传感器

摘要：该电路是一个偏远的IC温度传感器的简单和经济的接口。温度感应器（MAX6576），绝对温度-周期转换器，集成了必要的信号的电子传感器，连接到使用双绞线电缆进行电源和传感器的信号接收器（MAX9140比较）。Maxim>AppNotes>AmplifierandComparatorCircuitsTemperatureSensorsandThermalManagementKeywords:temperaturemeasurements,ICtemperaturesensors,temperature-to-periodconverters,comparators,twisted-paircableDec10,2010APPLICATIONNOTE4542LongTwistedPairReadsDigitalTemperatureSensorAbstract:ThiscircuitisasimpleandeconomicalinterfaceforremoteICthermalsensors.Thetemperaturesensor(MAX6576),anabsolutetemperature-to-periodconverterthatintegratesthesensorwiththenecessarysignalelectronics,connectstothereceiver(aMAX9140comparator)usingatwisted-paircablethatcarriespowertoandsignalsfromthesensor.AsimilarversionofthisarticleappearedintheNovember5,2007issueofElectronicDesignmagazine.Thebestchoicef