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Minic
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re: 12-bit ADC offers internal reference
Minic   9/13/2012 6:24:45 PM
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agk
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re: 12-bit ADC offers internal reference
agk   9/7/2012 12:38:01 PM
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The reference built inside has good specification. With 2.5 volts as the reference and a 4.5 ppm per deg C the change is 11 micro volts per degree in the reference. The step size of a 12 bit ADC with 2.5 volt ref is 610 micro volts. So about 30 degrees change in temperature inside gadget using this device can with stand good accuracy.



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