LTspice ADA4528-2 time vs frequency, response conflict

As you can see we have excellent frequency response:

but time response is really not acceptable:

Why this has been happened?

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    •  Analog Employees 
    •  Super User 
    on Feb 4, 2021 8:58 PM in reply to mohammadsdtmnd

    Hi again,

    I've seen this before where AC response simulation may indicate all-is-good with a circuit whilst transient simulation says otherwise. There may be clues in the otherwise "good" AC response as well, but I'm not an expert to know and identify those. So, I always perform both these simulation which of course is still no-guarantee that the final circuit is perfect either. Bench characterization is essential in spite of simulation.

    Regards,

    Hooman

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