High Performance Capacitive Sensor Front-End Reference Design

(ACTIVE) TIDA-00662

Description & Features

Technical Documents

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Key Document

Description

The TIDA-00662 is a high performance capacitive sensor front-end reference design. With the usage of an audio codec including a programmable miniDSP functionality impedance measurement and change in phase detection is realized. The frequency-domain sensing front-end is for pressure and flow transmitters applications, as well as any other application with capacitive sensor elements.

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Features
  • Frequency-domain sensing extracts exact phase differences to measure impedance- and phase-changes
  • Suitable for pressure & flow transmitters where capacitive sensors are used
  • Use of audio codec miniDSP functions measure impedance/phase change
  • Physical form factor in BoosterPack for compatibility with all TI LaunchPads

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TI Devices (7)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430F5529  16-Bit Ultra-Low-Power Microcontroller, 128KB Flash, 8KB RAM, USB, 12Bit ADC, 2 USCIs, 32Bit HW MPY  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
OPA2376  Precision, Low Noise, Low Quiescent Current Operational Amplifier  Operational Amplifiers (Op Amps)  Sample & Buy View Design Kits & Evaluation Modules
OPA317  Low Offset, Rail-to-Rail I/O Operational Amplifier  Operational Amplifiers (Op Amps)  Sample & Buy View Design Kits & Evaluation Modules
OPA376  Precision, Low Noise, Low Iq Operational Amplifier  Operational Amplifiers (Op Amps)  Sample & Buy View Design Kits & Evaluation Modules
TLV320AIC3254  Very Low-Power Stereo Audio CODEC with programmable miniDSP  Audio Converters  Sample & Buy View Design Kits & Evaluation Modules
TPD2E001  Low-Capacitance 2-Channel +/-15kV ESD Protection Array for High-Speed Data Interfaces  Circuit Protection  Sample & Buy View Design Kits & Evaluation Modules
TPS736  Single Output LDO, 400mA, Adj.(1.2 to 5.5V), Cap free, Low Noise, Reverse Current Protection  Linear Regulator (LDO)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 4709 01 Aug 2017 721
Design files (8)
Title Abstract Type Size (KB) Date Views
ZIP 343 17 Jun 2016 114
ZIP 3785 17 Jun 2016 102
PDF 3951 17 Jun 2016 60
PDF 658 17 Jun 2016 43
PDF 2176 17 Jun 2016 110
PDF 454 17 Jun 2016 51
PDF 75 17 Jun 2016 139
PDF 1780 17 Jun 2016 407


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