李天樂：13911762025LCG50是美國BEI公司研制生產(chǎn)，由安裝在一小塊PC板上的MEMS單軸角速率陀螺組成。LCG50是一個(gè)完整單元，只需要提供直流電源輸入，就能夠測量角速率。尤其適合于安裝要求靈活、器件價(jià)格低廉、使用環(huán)境復(fù)雜的嵌入式系統(tǒng)應(yīng)用。其性能可與價(jià)格較高的角速率傳感器相競爭。特點(diǎn) 直流電壓輸入 模擬電壓輸出 寬帶高，工作溫度范圍寬 體積小，低價(jià)位應(yīng)用 平臺穩(wěn)定 導(dǎo)航和控制系統(tǒng) 機(jī)器人技術(shù) 智能交通 飛行測試技術(shù)指標(biāo)指標(biāo)LCG50-00100-100LCG50-00250-100LCG50-00500-100電氣指標(biāo)供電電壓+5Vdc電流 8mA@+5Vdc性能指標(biāo)范圍 100 /s 250 /s 500 /s比例因子(at22℃)16mV/ /s 15％6.4mV/ /s 15％3.2mV/ /s 15％比例因子變化(全溫度范圍) 0.1％/℃ 0.1％/℃ 0.1％/℃偏差校準(zhǔn)(at22℃)+2.5Vdc 0.2Vdc+2.5Vdc 0.2Vdc+2.5Vdc 0.2Vdc偏差變化(全溫度范圍)8 /s10 /s20 /sG靈敏度(Typical) 0.05/ /sec/g啟動時(shí)間(Typical) 2s帶寬(-3Db) 50Hz非線性度 0.05％(fullscalerange)輸出噪聲 0.005 /s/ Hz 0.006 /s/ Hz 0.01 /s/ Hz溫度傳感器比例因子(典型值)6.25mV/℃0℃輸出電壓+424mV(typical)環(huán)境指標(biāo)工作溫度-40℃～+85℃存儲溫度-55℃～+100℃工作振動5grms儲存振動10grms沖擊500gPK sine2msec重量 12gTheLCG50(LowCostGyro50)offersaMEMS(MicroElectroMechanicalSystem)singleaxisangularratesensoronasmallpcboard.ThesensorisacompleteunitandrequiresonlyaDCvoltageinputtomeasureangularrate.TheLCG50isideallysuitedforembeddedapplications,wheremountingversatilityisrequired,unitpriceislow,environmentalrobustnessisessential,andtheperformancecharacteristicsmustmatchthatofmuchmoreexpensiveinstrumentgraderatesensors. PARAMETERSUMMARYSPECIFICATIONSPartNumberLCG50-00100-100LCG50-00250-100PowerRequirementsInputVoltage(Nominal)*+5.0VdcInputCurrent 8mA@+5.0VdcPerformanceStandardRanges* 100 /s* 250 /s*ScaleFactorCalibration(at22 CTypical)16mV/ /sec 15%6.4mV/ /sec 15%ScaleFactoroverTemperature 0.1%/ C 0.1%/ CBiasCalibration(at22 CTypical)+2.5Vdc 0.2Vdc+2.5Vdc 0.2VdcBiasVariationoverTemperature8 /sec10 /secGSensitivity(Typical) 0.05/ /sec/gStart-UpTime(Typical) 2secBandwidth(-3dB)* 50HzNon-Linearity(Typical)%FullScaleRange 0.05%OutputNoise(DCto100HzTypical) 0.005 /s/ Hz 0.006 /s/ HzTempSensorScaleFactor(Nominal)6.25mV/ COutputVoltageat0 C+424mV(Typical)EnvironmentsOperatingTemperature-40 Cto+85 CStorageTemperature-55 Cto+100 CVibrationOperating5grmsVibrationSurvival10grmsShock500gPK sine2msecWeight 0.4oz.[12grams]