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Why ADC result is not accurate in the ATtiny15L?

2004-02-08 by Alireza Chiany

Hello,
We have a project with ATtiny15L.
We are using ADC in this project.
We have a problem in the ADC result.
We are using all noise reduction
methods (Split ground,AREF capacitor,noise canceler,signal filteration and etc) in this project
but The ADC result is nonlinear and greater than real value.
We are using ATmega8 in the same circuit and same program.
this circuit is without any noise reduction contrive but the result is very accurate.
Question: Why ADC result is not accurate in the ATtiny15L?
Regards.

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