Does anyone have some solution of Click and Pop noise?

[wkjo82]

Hi. I major Class-d audio amplifier.



I have some trouble in "Click & Pop noise".



I couldn't find some solution of "Click & Pop noise"



Does anyone have some guide or solution or paper or document related "Click and Pop"?



I found only related with not filterless. It means the stucture has DC blocking cap.



my circuit has BTL and filterless structure.



please help me to find some solution.



sorry in my english skill

 

[Freddybaby]

Try here
**broken link removed**

and here

www.st.com/stonline/products/literature/ta/11011.pdf

 

[wkjo82]

Thanks for your reply.

Have a nice day.

Added after 1 hours 23 minutes:

However, in my case, my circuit has no filter.

I mean, there is NOT DC blocking capacitor.

I red the doc, I can't find solution of my case.