Use TPA2001 as nice Triangle Osc. :)

[AP2]

if you have 5v clean, comp. reduce at only 3.
triangle have 2vP with perfect geometry at 500Khz.
this can be an use...maybe better of this chip.
I have develop this pcb and well tested...in old years. but i not use in my amp's.

..continue

[AP2]

Very simple, 90% of pin connected to gnd (this help noise).
I think not need comment.
Maybe..i add rest of components for complete modulator with offset dc control FB.
Ah...This is undocumented use of chips, of course.

[Tekko]

Aint it a bit of a waste of a IC that is already a complete class d amp in itself though ?

[AP2]

Originally Posted by Tekko

Aint it a bit of a waste of a IC that is already a complete class d amp in itself though ?

I think not, this is 1w low cost chip but in this way solve a good modulator for big and nice sound amp's. you have new idea for good modulator?

[AP2]

Hi,
before FB2 connection, think not need explanation.
very good is use of magic property of FET, since for some reason, this circuit uses a single voltage.

someone can also replace the TPA2001 with another circuit for generating the triangular. (this signal is very critical to the fidelity and efficiency)

continue..

[theAnonymous1]

If anyone wants them, I have 25pcs 48-BGA TPA2000 and 50pcs 16-TSSOP. Can't imagine I will ever use them for anything. TPA2000 is the 2W version.