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A/D 12 bit using PIC?

 
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Joined: 17 May 2005
Posts: 213

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A/D 12 bit using PIC?
PostPosted: Thu May 31, 2007 1:21 am     Reply with quote
Hi

I know that the PIC's can do 10bit A/D. I was wondering if it is possible to use the PIC with no dedicated A/D chip to do 12bit or even 14bit A/D? and if "yes", can you please tell me how to do it?

I would like to sample at 2000 samples per second per channel, on 3 channels.

Thank you
Alex
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Thu May 31, 2007 2:09 am     Reply with quote
There are several threads on this in the archives.
Do a search for: oversample OR oversampling
Here are some of the threads:
http://www.ccsinfo.com/forum/viewtopic.php?t=27261
http://www.ccsinfo.com/forum/viewtopic.php?t=25482
http://www.ccsinfo.com/forum/viewtopic.php?t=24375
http://www.ccsinfo.com/forum/viewtopic.php?p=4604
mickent



Joined: 18 Feb 2007
Posts: 22
Location: TN, USA

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PostPosted: Thu May 31, 2007 5:45 am     Reply with quote
There are PIC's with 12 bit A/D's. Try:

http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en530216
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Mick
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