Because of the holidays, TI E2E™ design support forum responses will be delayed from Dec. 25 through Jan. 2. Thank you for your patience.

  • State TI Thinks Resolved
  • Locked Locked
  • Replies 1 reply
  • Answers 1 answer
  • Subscribers 47 subscribers
  • Views 224 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Equitions calculation in TI Precision Labs - Op Amps

Mingkang Song
Intellectual 1510 points

TI Precision Labs - Op Amps www.ti.com/.../ti-precision-labs-op-amps.html

Stability - 3 and Stability - 6

How are these equations Aol_loaded and 1/β derived? 

  • 0
    TI__Guru 64150 points

    Since by definition AOL=(change_Vout)/(change_Vos) and 1/β=Vout/Vfb, the AOL_loaded and 1/β equations for the purpose of stability (AC signal) simply assumes 1T inductor to be an open-circuit and 1T capacitor to be a short in each of the configuration shown above.