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Part Number: LM4952

Hi Team,

I have a question about power supply bypassing.

LM4952 datasheet says 10uF tantalum bypass capacitor is needed for power supply bypassing.
I think this is because of phase margin.

Question here is is it ok to use electrolytic capacitor instead of tantalum capacitor?
if YES, could you let me know the recommended ESR value of electrolytic capacitor?


  • Hi, Nomiyama-san,

    The recommendation of the tantalum bypass capacitor is that this kind of capacitors have a lower capacitance derating response. The LM4952 is sensitive to voltage changes, any variation on the capacitance may also affect the pop/click response and the settling time of the signal.

    In case you would like to use a ceramic capacitor, you must be aware that the derating response doesn't decrease the capacitance level in the voltage and temperature range that the LM4952 will be using.

    Best regards,
    Luis Fernando Rodríguez S.