Transcription of IEPE Vibration Sensor Interface Reference Design for …
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IEPE Vibration Sensor Interface Reference Design for …
25 V1-pole HPFV ariable Attn:-6 G% -24 VSHORTOPENADS127L01 REF6025 SPITHS4551TS3A5017 LMV751 VcomVcomVcomSPILMV751 VcomV_CMinput25 VProgram. Gain:+6 G% +18 dBMFB LPF3rd order,20 kHz BWfixed gain = 6 dB8 MHzWB filterData Rate256 k 32 kSensor Failure DetectVcom GeneratorProgram. Current2-20 mAIEPE sensorcable+ + Copyright 2017, Texas Instruments Incorporated1 TIDUD62 July 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedIEPEV ibrationSensorInterfaceReferenceDesignfo r PLCA nalogInputTI Designs:TIDA-01471 IEPEV ibrationSensorInterfaceReferenceDesignfo r PLCA nalogInputDescriptionIndustrialvibration sensingis a crucialprocessinconditionmonitoring,whic his necessaryfor integratedelectronicpiezoelectric(IEPE)s ensoris the mostcommonvibrationsensorusedin the TIDA-01471designis a full analogfrontend for the IEPE sensorinterfaceand demonstrateshow to achieveflexiblehigh-resolution,high-spee dconversionwith low-powerand E2E ExpertsFeatures Single-ChannelIEPES ensorAnalogInput 24-BitConversionResolution 20-kHzSignalBandwidth ProgrammableDataRate:265 kSPSto 32 kSPS AdjustableGain: 12 dB to 18 dB ProgrammableExcitationCurrent.
25 V 2.5 V 1-pole HPF Variable Attn:-6 G%« -24 dB SN74HC595 CTRL Atten. XTR111 DAC5311 SPI 3.3 V LP2901 3.3 V SHORT OPEN …
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