adc conversion characteristics chart

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lajeffo

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adc conversion

Hi all,
Is there a chart that shows what the corresponding bit pattern for a certain analog voltage after conversion. Given a vdd of 5v as reference in a Pic16f676. if not how do u know what voltage is what bit
 

voltage conversions charts

Hi,

No charts around, simple enough to make your own on some graph paper.

Your chip has a 10 bit ADC giving 0 - 1023 steps.

When using +5v as your reference voltage this equals 5.00 / 1024 = 0.0048828 volts per adc step, or as you prefer volts per bit.
 

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    lajeffo

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adc graph

thanks alot ,
 

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