Thanks! On Thu, Jan 29, 2015 at 7:23 PM, evilwulfie <[email protected]> wrote:
> It is for reference only. if you need power, supply a regulator for that > purpose. > > > > On 1/29/2015 3:14 PM, Rick Mann wrote: > > I'm not sure. I read somewhere that the internal reference really should > not supply current, but looking at the schematic, it looks like it's > powered from the VDD_1V8 1.8 V rail, which can supply a total of 400 mA > (according to the SRM). I don't know how much the rest of the system draws. > > > > I have a 5K and 10K pot on mine, seems to work, but in the next version > I will put a voltage follower on it. > > > >> On Jan 29, 2015, at 14:59 , Rafael Vega <[email protected]> wrote: > >> > >> > >> Hi, I need to connect 12 potentiometers to the adc inputs in the BBB > (through an analog multiplexer). I have found that if I use potentiometers > with lower resistance values (2Kohm), the input is less noisy than if I use > higher resistance pots (500KOhms). Since the pots are "powered" by VADC > and AGND (1.8Volts), I need to know how much current I can draw from these > two pins. > >> Anyone? :) > >> > >> -- > >> For more options, visit http://beagleboard.org/discuss > >> --- > >> You received this message because you are subscribed to the Google > Groups "BeagleBoard" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > >> For more options, visit https://groups.google.com/d/optout. > > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/IqmNh-r2d5U/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Rafael Vega [email protected] -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
