How much current should the LDO be able to carry considering that i am using BBB.
Regards, Cristian 2014-07-05 4:02 GMT+02:00 John Syn <[email protected]>: > > From: Cristian Mitu <[email protected]> > Reply-To: "[email protected]" <[email protected]> > Date: Friday, July 4, 2014 at 2:38 PM > To: "[email protected]" <[email protected]> > Subject: [beagleboard] Analog voltage referance pin > > Hello guys, > > > I have noticed that my BeagleBoneBlack has a VDD_ADC that is supposed to > be a 1.8V reference voltage. On the board that i am making i have some > components that need 1.8V(among which some simple protection circuits for > the Analog inputs). I was thinking that instead of using an LOD for > conversion i could draw directly from that pin to power those components. > Is this a viable solution or is there a problem or drawback if i use the > 1.8V reference voltage pin ? Thank you in advance for your responses. > > It is a reference pin, not a power pin, so no you cannot draw current for > your other circuits. A small LDO regulator is inexpensive so just add one. > > Regards, > John > > > -- > 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/CCsy0Sc5UjQ/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. > -- 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.
