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Question on the VPP/VNN voltatge description in the datasheet of LM96551

FrankXu
Genius 3500 points

Hi,

     

     I have a question about the VPP/VNN maximum rating of LM96551.

     In the datasheet of LM96551:

     In page 4, it says 

    

   while in page 5, it says

    

   So, what is the range of VPP? -0.3V to 55V? 3.3V to 50V? Can I use a voltage such as 1V which is below 3.3V?

   Thank you.

Frank

  • 0
    TI__Mastermind 49786 points
    Hello Frank,

    I've moved this post from the Medical Forum to the Imaging AFEs Forum, where the LM96551 is supported. I'm sure you'll find an answer here.
  • 0 in reply to Praveen Aroul
    TI__Mastermind 22825 points

    Hello Frank,

    The operating conditions you are asking about is what page 4 specifies (3.3V to 50V) and which is reiterated in the Operating Ratings table on page 5. The absolute maximum ratings are voltage levels that if you exceed you have the chance of permanently damaging the device.

    If you use a power supply less that 3.3V (1V lower as you have stated), there is no guarantee that the part will operate correctly (but there would not be any damage to the device).

    Regards,

    Hooman