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PICOCAP - The most flexible solution in direct Capacitance-to-Digital Conversion

The patended PICOCAP measuring principle shows a versatile approach to capacitance measurement. The input capacitance can range between 0fF up to hundreds of nF so there is practically no limit for the capacitor value. This provides high flexibility to the user and allows the same chip to be used in a broad range of sensors. PICOCAP also provides a powerful combination of performance and accuracy with the option for ultra-low current applications.

 

 

Advantages:

  • Wide input capacitance range from 0fF up to hundreds of nF
  • high resolutions up to 22 bit
  • high measurement rates up to 500,000 samples per second
  • extremely low current consumption with only a few μA supply current.
  • By simple software configurarion the user can select between a high resolution, a high measuring rate or a low-power setup

 

 

Applications:

  • Humidity sensors
  • Pressure sensors
  • Acceleration sensors
  • Inclination sensors
  • Freefall sensors
  • Position sensors
  • Touch sensors
  • Angle sensors
  • Level sensors
  • Microphones
  • MEMS

General Description

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General circuit

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Cycle Time