Ok! Thanks all for replay.

I will change the range of my circuit.

Luis.



> Luis:
>
> Please check the data sheet.  I have used this part and it is only good to
> its' own positive supply voltage.  You can solve the problem (the data 
> sheet
> has this info) by using the pot to control a op amp that produced the
> correct (in my case +15v) output.
>
> Rich
>
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf 
> Of
> antoniasse
> Sent: Thursday, September 17, 2009 2:53 PM
> To: Microcontroller discussion list - Public.
> Subject: [PIC] Digital Potentiometers
>
> Hi all,
>
> Can I connect a MCP41010 PA0 terminal in 8vcc and PB0 terminal in -8vcc 
> and
> control this range? I tried to do this, but did not work...
> Only works if a connect PB0 terminal in the gnd.
>
> I did not find nothing like this in the datasheet.
>
> Regards
>
> Luis F.
>
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