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PIC ADC referinta externa

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For best ADC performance of the PIC micro, the input impedance should not exceed 2.5K as the PIC's internal capacitors will take too long too charge/discharge. This isn't really an issue for most projects though, as you can just change the sample time with a couple of settings - see the help file of your compiler for more information. I generally use 10K resistors without any issues.



Poate te ajuta: http://www.digital-diy.net/18F%20Examples/ADC.aspx

Numai bine!

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