简介:绝压10-1100mbar精度:0.1mbar数字输出供电电源:2.2-3.6V工作温度范围:-40°C-+85°C典型应用:高度计/气压表、天气控制系统、运动手表、GPSMS5540是MS5534气压计/高度计模块的微型版本，并且依靠电压提供了16位的的压力和温度参数。MS5540是低电压，低功耗的器件，且带自动断电开关。3线接口则可满足与微处理器的各种通讯。其他改善包括ESD敏***、当前消耗和交换器准确性。MS5540C软件兼容MS5534A、MS5534B、MS5534C、MS5540A、MS5540B。除此之外MS5540C是从它的外维尺度兼容到压力传感器MS54xx系列。传感器的胶防护在没有任何其他的防护下对在100米水深的防水手表有足够的保护。Features•Integratedpressuresensor•***allsize6.2×6.4mm•Pressurerange10-1100mbar•Resolution0.1mbar•16BitADC•6coefficientsforasoftwarecompensationstoredon-chip•3-wireserialinterface•1systemclockline(32.768kHz)•Temperaturerange-40..+85°C•Lowvoltage(2.2to3.6V)•Lowpower(Standbycurrent:0.1uA)•Pb-free&RoHS-compatible•NoexternalcomponentsrequiredApplicati***•Mobilealtimeter/barometersystems•Weathercontrolsystems•Adventureormulti-modewatches•GPSreceiversDescriptionTheMS5540Cisa***D-hybriddeviceincludingaprecisionpiezoresistivepressuresensorandanADCInterfaceIC.ItisaminiatureversionoftheMS5534Cbarometer/altimetermoduleandprovidesa16Bitdatawordfromapressureandtemperaturedependentvoltage.MS5540Cisalowpower,lowvoltagedevicewithautomaticpowerdown(ON/OFF)switching.A3-wireinterfaceisusedforallcommunicati***withamicrocontroller.ComparedtoMS5534Athepressurerange(measurementdownto10mbar)hasbeenimproved.TheMS5540CisfullysoftwarecompatibletotheMS5534Candpreviousversi***ofMS5540.Inaddition,theMS5540Cisfromitsouterdimensi***compatibletotheMS54XXseriesofpressuresensors.ComparedtothepreviousversiontheESDsensitivitylevelhasbeenimprovedto4kVonallpins.Thegelprotectionofthesensorprovidesawaterprotectionsufficientfor100mwaterproofwatcheswithoutanyadditionalprotection.)