体积最小的SiRF4 GPS模块，SmallestGPSModuleORG4472BasedOnSIRFIVChipset TechnicalDataORG4472產品尺寸：7x7x1.4mm封裝型式：BGA，SMDtechnology採用芯片：SiRFStarIVChipset訂貨代碼：MOD-NXX-ORG4472細部規格StandaloneoperationSiRFstarIV GSD4eROMprocessorIntegratedLNA,SAWFilter,TCXOandRTCOriginGPSNoiseFreeZoneSystem(NFZ )technologyL1frequency,C/Acode48trackverificationchannelsNavigationsensitivity:-160dBmTrackingsensitivity:-163dBmforindoorfixesFastTTFF: 35s(typical)underColdStartconditionsMultipathmitigationIndoortrackingActivejammerremover:tracksupto8CWinterferersandremovesjammersupto80dB-HzSBAS(WAASorEGNOS)supportAssistedGPS(A-GPS)supportExtendedEphemerisforveryfastTTFFssupportedthroughSiRFInstantFix AutomaticanduserprogrammablepowersavingscenariosLowpowerconsumption:58mWduringcontinuoustrackingARM7basebandCPUSmartsensorI2CmasterinterfaceSelectableUART,SPIorI2ChostinterfaceProgrammableUARTprotocolandmessagesrateSelectableNMEAorOSP(SiRFBinary)communicationstandardsSinglevoltagesupply:1.8VDCblocked50 antennainputUltrasmallfootprint:7mmx7mmSurfaceMountDevice(SMD)OptimizedforautomaticassemblyandreflowequipmentIndustrialoperatingtemperaturerange:-40to85 CPb-FreeRoHScompliant關於ORG4472-SIRF4GPSModuleTheORG447Xseriesmoduleisindustry ssmallest,autonomous,fullyfeaturedGPSengine.TheORG447Xseriesmoduleisminiaturemulti-channelreceiverthatcontinuouslytracksallsatellitesinviewandprovidesaccuratepositioningdatainindustry sstandardNMEAformat.InternalARMCPUcoreandsophisticatedfirmwarekeepGPSpayloadoffthehostandallowintegrationinlowresourcesembeddedsolutions.FeaturingOriginGPSproprietaryNoise-FreeZoneSystem(NFZ )technologytheORG447XofferstheultimateinhighsensitivityGPSperformanceinsmallsize.TheORG447XXseriesmoduleiscompleteSiP(System-in-Package)featuringadvancedminiaturepackagingtechnologyandanultrasmallfootprintdesignedtocommituniqueintegrationfeaturesforhighvolume,lowpowerandcostsensitiveapplications.TheORG447XmoduleincorporatesnewSiRFstarIV GPSprocessor.TherevolutionarySiRFstarIV architectureisoptimizedforhowpeoplereallyuselocation-awareproducts:oftenindoorswithperiodsofunobstructedskyviewwhenmovingfromplacetoplace.Thisnewarchitecturecandetectchangesincontext,temperature,andsatellitesignalstoachieveastateofnearcontinuousavailabilitybymaintainingandopportunisticallyupdatingitsinternalfinetime,frequency,andephemerisdatawhileconsumingmeremicrowattsofbatterypower.