On Sun, 8 Feb 2004 15:22:04 -0800, Bruce Partridge wrote:
> > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Olin Lathrop
> > Bruce Partridge wrote:
> > > More information:
> > >
> > > I'm using a 16F819 and drawing 125 uA during sleep.  The regulator is
> > > 50uA, and the only other component is the op amp which should be <5uA
> > > when shutdown.  ADC, BOR, LVP, PWM are all shutdown.  All other pins
> > > are outputs and are set to 0.
> >
> > What about the voltage divider for the battery voltage you
> > mentioned before?
>
> The voltage divider is a 59K and a 47K resistor running from the battery.

Ouch, that's ~56uA @ 6V) right there. Olin was right, you really need
to switch off your battery resitor divider when you are not measuring
it or the PIC is powered down.

Matt Pobursky
Maximum Performance Systems

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.