68-2203-64 Pressure Sensor - BMP581 (Qwiic) SEN-20170
[SparkFun] Pressure Sensor - BMP581 (Qwiic)
仕様
- Description
- TheSparkFunQwiicBMP581PressureSensorisastandard-sized,1in.by1in.absolutepressuresensorbreakoutfromBoschSensortec.TheBMP581boastsexceptionalresolution(downto1/64Pa)andaccuracywhilemaintainingon-chiplinearizationandtemperaturecompensationtoprovidetrueabsolutedataforpressureandtemperature.TheQwiicPressureSensorcommunicatesoverI2Cbydefault,utilizingourhandyQwiicConnectSystemsonosolderingisrequiredtoconnectittotherestofyourboards.However,westillroutedtheI2Csignalsouttoasetof0.1"-spacedpinsforuserswhopreferasolderedconnection.YoucanalsoconfiguretheboardtocommunicateoverSPIusingthesame0.1"-spacedpins.
- TheBMP581hasawidepressuresensingrange(30to125kPa)withexcellentaccuracyacrossthesensingrange(±0.5hPa(max)),aswellasoutputdataratesupto622Hz(wehaveonlyregularlyachieved500Hzintesting,though).Thesensorincludesaconfigurableoversamplingsetting,FIFObufferforstoringupto32pressuresamples,programmablelow-passfilteringandeven6-bytesofuser-programmablenon-volatilememory.Allofthisallowsyoutocustomizetheperformancebasedonyourapplication'srequirements.Evenwithoutfiltering,theBMP581hasverylownoise(<0.1PaRMS).
- Thesensorhasfiveoperatingmodes:Normal,Forced,Continuous,Standby,andDeepStandby.DeepStandbyconsumestheleastamountofcurrentatjust1.5μA(typical)andpeakcurrentconsumptionbythesensoris260μA.
- TheSparkFunQwiicConnectSystemisanecosystemofI2Csensors,actuators,shieldsandcablesthatmakeprototypingfasterandlesspronetoerror.AllQwiic-enabledboardsuseacommon1mmpitch,4-pinJSTconnector.ThisreducestheamountofrequiredPCBspace,andpolarizedconnectionsmeanyoucan'thookitupwrong.
- GetStartedwiththeSparkFunQwiicBMP581PressureSensorGuide
- Features
- SupplyVoltageRange:1.71V-3.6V
- CurrentDraw:・260μA-Maxdrawduringmeasurements
- 1.3μA-at1HzinLowPowerMode
- 0.55μA-AbsoluteminimuminDeepStandbymode
- DataTransferRates:・I2C-1MHz
- SPI-12MHz
- 6-bytesofNon-VolatileMemory
- PressureSensingRange:30-125kPa
- PressureDataResolution:1/64Pa
- AbsolutePressureAccuracy:±0.5hPa
- TemperatureSensingRange:-40-85℃
- OutputDataRate:0.125-240Hz(NormalMode)
- MaxOutputDataRate:622Hz(ContinuousMode,1xOversampling)
- I2CAddress:0x47(Default),0x46(Alternate)
- 2xQwiicConnectors