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Pinagens Pinouts CN0552; identification of what measures each value in the IIO Oscilloscope software and how to increase the limit of 4.0936pF

Category: Datasheet/Specs
I need some help to understand what each value that the IIO Oscilloscope software reads means. What does the values ​​mean:
*capacitance0;
*capacitance0-capacitance2;
*capacitance1;
*capacitance1-capacitance3 ?
I also need to understand the CN0552 pinouts. And also how do I increase the limit to be able to measure higher capacitance values, as it is limited to 4.0936pF?

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  • FormerMember
    FormerMember
Jan 27, 2023 +1 verified

Is this the same question as this one here - (+) CN0552 - Q&A - Reference Designs - EngineerZone (analog.com)

I believe   mentioned that in order to use the expanded range, instead of connecting…

  • Hi  ,

    To specifically answer your questions, kindly see the table below. It shows here the CDC input channel and its equivalent channel name that is shown on the interface. 

      

    For example, you…

  • Parents
    • FormerMember
      +1 FormerMember
    on Jan 27, 2023 4:30 PM

    Is this the same question as this one here - (+) CN0552 - Q&A - Reference Designs - EngineerZone (analog.com)

    I believe   mentioned that in order to use the expanded range, instead of connecting your cap to the EXCA or EXCB pin, use the EXC_EXTENDED pin on the CN0552.  You should really have a look at the user guide (EVAL-CN0552-PMDZ Overview [Analog Devices Wiki]) and the design files (www.analog.com/cn0552-DesignSupport) which cover all the on the pins, as well as the circuit note https://www.analog.com/media/en/reference-design-documentation/reference-designs/cn-0552.pdf for general operating conditions and range topics. This should cover the questions you are asking.

    Reply
    • FormerMember
      +1 FormerMember
    on Jan 27, 2023 4:30 PM

    Is this the same question as this one here - (+) CN0552 - Q&A - Reference Designs - EngineerZone (analog.com)

    I believe   mentioned that in order to use the expanded range, instead of connecting your cap to the EXCA or EXCB pin, use the EXC_EXTENDED pin on the CN0552.  You should really have a look at the user guide (EVAL-CN0552-PMDZ Overview [Analog Devices Wiki]) and the design files (www.analog.com/cn0552-DesignSupport) which cover all the on the pins, as well as the circuit note https://www.analog.com/media/en/reference-design-documentation/reference-designs/cn-0552.pdf for general operating conditions and range topics. This should cover the questions you are asking.

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