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Showing 172 results View by: Thread Post Sort by
  • FDC2114: how does the FDC2114 measures

    Marc Friedheim
    Marc Friedheim
    TI Thinks Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: FDC1004 Hello, I'm trying to use the FDC2114 for a research project and am able to measure various capacitances. I'm a little puzzled since most of the data sheet images are drawn as single ended…
    • over 2 years ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114EVM: Connecting FDC2114-EVM to CAPTIVATE-FR2676 and CAPTIVATE-PGMR leads to USB error, is it possible to power the FDC2114 using these boards?

    Oscar Björkman
    Oscar Björkman
    Resolved
    Part Number: FDC2114EVM Other Parts Discussed in Thread: FDC2114 , CAPTIVATE-FR2676 , CAPTIVATE-PGMR , FDC2214 , FDC1004 Connecting the broken off FDC2114 part to the CAPTIVATE-FR2676 makes the red light on the CAPTIVATE-PGMR go on and stay on after disconnecting…
    • Resolved
    • over 1 year ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114: resonance frequency measurement

    Marc Friedheim
    Marc Friedheim
    Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: FDC2214 , Hello, I've connected the FDC2214 in the following way, with the measurement capacitor in parallel and tested various caps measuring the resonance frequency with an oscilloscope between…
    • Resolved
    • over 1 year ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114: Measuring Capacitance and Inductance with FDC2114

    Kaushik Jayaram
    Kaushik Jayaram
    Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: LDC1312 , LDC2114 , LDC3114 , LDC1614 Hello, Since the FDC2114 uses a resonant LC tank, and the resulting resonant frequency to measure capacitance, could I in theory place an inductive sensor…
    • Resolved
    • over 3 years ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114: Is it ok to put a TVS between the sensor and LC ?

    Matthew Chen
    Matthew Chen
    Resolved
    Part Number: FDC2114 Hi team, My customer use the FDC to measure the liquid level of a plastic tube which my has the static electricity. That high voltage will reset the chip. So they want add a TVS between the sensor and LC to release the static…
    • Resolved
    • over 2 years ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114: Design Tradeoffs when Selecting Resonant L & C

    Kaushik Jayaram
    Kaushik Jayaram
    Resolved
    Part Number: FDC2114 Hello, Sorry in advanced if this question is a bit broad. I'm using the FDC2114 in a position sensing robotics application where I have two electrodes sliding over one another which forms a variable capacitor (10s of pF nominally…
    • Resolved
    • over 3 years ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114: About FDC2114 schematics

    Tao_2199
    Tao_2199
    Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: FDC2214 , FDC2212 , FDC2112 Hello, Regarding to schematics on FDC2114, my customer is asking a question. (Question) They will refer FDC2214/2114 EVM schematics for design. Each(FDC2214 and…
    • Resolved
    • over 5 years ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114: multiple FDC2214 chips on I2C

    Jay Lee
    Jay Lee
    Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: FDC2214 Hello Texas Instruments, We are using FDC2214 to detect a capacitive matrix. For a demo, 4 pcs of FDC2214 chips were used to detect 4*4 capacitive sensors(10pf-300pf). 4 chips were…
    • Resolved
    • over 3 years ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114: detect the capacitance between the two metal plates

    Amy Luo
    Amy Luo
    Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: FDC2214 Hi team, One of our customers needs to detect a variable capacitance consisting of two metal plates: The two metal plates are parallel to each other and the distance is constant, and…
    • Resolved
    • over 3 years ago
    • Sensors
    • Sensors forum
  • Answered
  • FDC2114: Register reset

    Shinya Sawamoto
    Shinya Sawamoto
    Resolved
    Part Number: FDC2114 Hello team, I'd like to confirm if the following operation can reset the registers or not. 1) Sleep mode (0x1A) 2) SD pin assert 3) Reset dev (0x1C) 4) Is there any other operation? Thanks in advance. S.Sawamoto
    • Resolved
    • over 4 years ago
    • Sensors
    • Sensors forum
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