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INA236: Start-up time

Part Number: INA236
Other Parts Discussed in Thread: INA237,

Hello Expert,

I'd like to know about this device's start-up time as like as INA237's device start-up time(TPDR)
Would you provide this parameter?


Best regards,
Kazuki Kuramochi

  • Hello Kazuki,

    The INA237 datasheet shows a typical power up time of 600µs and 30µs when powering up from shutdown mode. I don't see anything for INA236, but I would expect it to be similar. If you need a number I could try to find an EVM and test it, but not sure if we have one around. Do you need an exact number? Do these number fit within the system requirements?

    Sincerely,

    Peter

  • Hello Peter,

    Thank you for your swift reply.
    Is there design value for this rating or could you provide simulation result that is considering temp and process corner?
    They want to know about this for system sequence.


    Best regards,
    Kazuki Kuramochi

  • Hey Kazuki,

    We don’t have data for this, but i would expect a variation no greater than +/- 20%. This is a conservative process technology range in variation and thus at worst the device would power up with this variation over process. Temperature might add another few percent but it should be small.

    Best,

    Peter