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INA240-Q1: Working in Diffential mode

Prodigy 90 points
Nikhil Jotwani

Part Number: INA240-Q1

Hello,

For the INA240-Q1, if the differential voltage on the pins is applied at max rating i.e. 80 V, is this operation mode time dependent ?

Also, in case the difference between the inputs is high (max rating), what is the protection circuit used to avoid failing of the device?

On what parameters is the recovery time of the device calculated?

Thanks.

Nikhil

Prodigy 90 points
Nikhil Jotwani
  • Expert 3730 points
    Carlos Silva85

    Hi Nikhil,

    We're currently out of the office and will get back to you shortly.

    Kind Regards,

    Carlos S.

    TI makes no warranties and assumes no liability for applications assistance or customer product design. You are fully responsible for all design decisions and engineering with regard to your products, including decisions relating to application of TI products. By providing technical information, TI does not intend to offer or provide engineering services or advice concerning your designs.

  • Expert 3730 points
    Carlos Silva85
    Hi Nikhill,

    The parameters for the recovery time of the device are those listed on the datasheet, section 7.5, Electrical characteristics.

    There are ESD cells inside the device , but note that they are not meant to protect from conditions outside the max ratings. That kind of protection has to be added externally with a clamp such as a Zener or TVS.

    Kind Regards,

    Carlos S.

    TI makes no warranties and assumes no liability for applications assistance or customer product design. You are fully responsible for all design decisions and engineering with regard to your products, including decisions relating to application of TI products. By providing technical information, TI does not intend to offer or provide engineering services or advice concerning your designs.

  • Prodigy 90 points
    Nikhil Jotwani

    In reply to Carlos Silva85:

    Thanks Carlos.

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