產(chǎn)品品牌：AMS 產(chǎn)品型號(hào)：AS5145 封裝 SSOP-16 批號(hào) 11 ROHS 類型 編碼器、解碼器 產(chǎn)品型號(hào)：AS5145產(chǎn)品廠商：AMS產(chǎn)品封裝：16-LEADSOIC產(chǎn)品包裝：500PCS/盤(pán)產(chǎn)品類型：高分辨率磁性旋轉(zhuǎn)編碼IC產(chǎn)地：奧地利產(chǎn)品說(shuō)明：AS5145磁性旋轉(zhuǎn)編碼器IC是一款非接觸式的完整系統(tǒng)級(jí)芯片，可在一圈360 范圍內(nèi)提供分辨率達(dá)0.0879 的精確角度測(cè)量，即每轉(zhuǎn)4,096個(gè)位置。使用一個(gè)簡(jiǎn)單的串行接口或PMW信號(hào)即可讀取該數(shù)字角度數(shù)據(jù)。另外，該器件采用改進(jìn)的插值算法，可實(shí)現(xiàn)增量正交輸出模式，并能永久性編程為10位至12位分辨率。由于具有更佳的噪聲特性，精度進(jìn)一步得到提升。除了支持用戶化零位編程、芯片ID和幫助磁鐵正確定位的診斷功能等奧地利微電子編碼器系列的所有標(biāo)準(zhǔn)功能外，AS5145還能提供一種與外部電路同步的特殊功能，以及正弦/余弦數(shù)字輸出模式。當(dāng)該模式激活時(shí)，將輸出16位正弦和16位余弦雙通道數(shù)字?jǐn)?shù)據(jù)，并在外部進(jìn)行精確計(jì)算。DescriptionTheAS5145isacontactlessmagneticrotaryencoderforaccurateangularmeasurementoverafullturnof360 .Itisasystem-on-chip,combiningintegratedHallelements,analogfrontendanddigitalsignalprocessinginasingledevice.Tomeasuretheangle,onlyasimple2-polemagnet,rotatingoverthecenterofthechip,isrequired.ThemagnetmaybeplacedaboveorbelowtheIC.Theabsoluteanglemeasurementprovidesinstantindicationofthemagnetsangularpositionwitharesolutionof0.0879 =4096postitionsperrevoloution.ThisdigitaldataisavailableasaserialbitstreamandasaPWMsignal.AninternalvoltageregulatorallowstheAS5145tooperateateither3.3Vor5Vsupplies.KeyFeatures Contactlesshighresolutionrotationalpositionencodingoverafullturnof360 2digital12-bitabsoluteoutputs:SerialinterfaceandPulseWidthModulated(PWM)outputs3incrementaloutputsQuadratureA/B(10or12bit)andIndexoutputsignalUserprogrammablezeropositionFailuredetectionmodeformagnetplacementmonitoringandlossofpowersupply Red-Yellow-Green indicatorsdisplayplacementofmagnetinZ-axisSerialread-outofmultipleinterconnectedAS5145devicesusingDaisyChainmodeToleranttomagnetmisalignmentandarigapvariationsWidetemperaturerange:-40 Cto 150 CFullyautomotiveAEC-Q100qualified,grade0SmallPb-freepackage:SSOP16(5.3mmx6.2mm)