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TLV9002: frequency response

Part Number: TLV9002

Tool/software:

Hi team,

I am helping my customer to analyze TLV9002 frequency response, I find some behaviors in attached slides, could you look into it? thanks a lot.

Amps frequency response.pptx

Best regards,

Yang

  • Hello Yang,

    This is called gain peaking. It is a side effect of low phase margin of the feedback loop. 

    There is the natural phase margin of an op amp (see data sheet). More phase can be lost in the feedback, resistance and the parasitic board plus input pin capacitance.