Check source impedance (current sensor output impedance) and ADC pin input impedance.
http://electronics.stackexchange.com/questions/21017/how-to-convert-0-to-10v-analog-signal-to-0-to-2-5v-for-adc-input On Wednesday, September 25, 2013 3:58:18 PM UTC-4, Gerald wrote: > > Yes, you will loose resolution. Some of it off the top. Some off the > bottom. Net affect is that range can be lost. > > Gerald > > > On Wed, Sep 25, 2013 at 2:53 PM, Brandon I <[email protected]<javascript:> > > wrote: > >> You wont lose range, since you'll be scaling the signal, not clipping it. >> You might lose resolution though. >> >> >> On Tuesday, September 24, 2013 2:06:14 PM UTC-7, Gerald wrote: >> >>> A voltage divider could be used, but you will lose some of the range. >>> Not sure what sort of resolution you are looking for. >>> >>> Have you thought about looking at some of the I2C based current >>> sense devices? >>> >>> Gerald >>> >>> >>> >>> On Tue, Sep 24, 2013 at 2:29 PM, <[email protected]> wrote: >>> >>>> Hello, >>>> >>>> I am using a current sensor http://cgi.ebay.com/** >>>> ws/eBayISAPI.dll?ViewItem&**item=111040360152&var=**410166550830<http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=111040360152&var=410166550830> >>>> that >>>> outputs analog voltages >1.8v, the maximum voltage the Beaglebone's AIn >>>> can >>>> accept. >>>> >>>> If I were to use a voltage divider with a capacitor, would this work >>>> for my application? >>>> >>>> -- >>>> 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 beagleboard...@**googlegroups.com. >>>> >>>> For more options, visit >>>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>>> . >>>> >>> >>> -- >> 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] <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- 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/groups/opt_out.
