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TIPD127: Regarding Eq. 12

Shotaro Sakai
Expert 3770 points

Part Number: TIPD127

Hello team,

I introduced TIPD127 to my customer, and received questions about eq.12 on the paper.

  1. If you have a derivation of eq.12 and a reference, would you please tell me?

  2. Could you please tell me how you derived en = 100nV / rtHz?
    Is it related to "six timses the rms (6 x 7.18 mV rms = 43 mVpp)" on the second line of p.17?

The customer tries to design a filter for PWM->Analog signal with this document.

Best regards,

Shotaro