[sdiy] Choosing a DAC

[Ingo Debus]

Am 06.07.2009 um 23:57 schrieb Stewart Pye:

> I'm designing an "analogue" sequencer around an AVR micro and I  
> need to choose a DAC for the CV output. It will on only span 5  
> octaves (0-5V) and output only the equally tempered scale. (there  
> will be a separate circuit for glide).

Can you use a PWM-based DAC? This would be very accurate, and since  
you only need 8 bits (or even less) it would surely be fast enough.

I'm not an AVR guy, but many microcontrollers have some PWM output  
already on chip.

Ingo