Using the Digital Pot AD5220 with the Propeller - any need for signal condition

ElectricAye

Hi all,
I've decided to digitally manage the threshold of a comparator and I'm thinking about using a digital pot, AD5220, controlled by the output of a Propeller. I've read that the AD5220 needs a debouncing circuit for a manual push button device, but I'm wondering whether the Propeller output needs any conditioning so the digital pot won't end up skipping steps and give me a threshold I hadn't intended. So long as the wiring isn't overly long, is there any reason I can't confidently pipe the output of the Propeller directly into the digital pot?

thanks,
Mark

Leon

Debouncing is only needed for mechanical contacts. Slow rise and fall times can cause problems sometimes, but the Propeller outputs will be OK.

Leon

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ElectricAye

Thanks, Leon,
I guessed that was the case, but I wanted some experienced advice like yours before I ordered a bunch of parts.

cheers,
Mark