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Reducing kickback noise

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jiesteve

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I have a regular single stage diffamp in unity gain configuration buffering a VREF signal. Whenever the diffamp powers on or off, it kicks back noise onto the VREF line... What are some (clever) ways to minimize/reduce this kickback noise?

Thanks in advance.
 

add casscode if possible.
 

    J

    jiesteve

    Points: 2
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We are troubled by this too.
We add a larger capacitor to VREF to reduce it. Is there a better way?
 

    J

    jiesteve

    Points: 2
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