ADC Input range and reference voltage

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Anonymous
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Hello Everyone,

   

Could you help me with my ADC, I cannot get it Right I want to use ADC for input range of (+/- 1.25) in a differential input range with a refrenve of vdda/4 = 1.25. could you tell me what is the voltage range and the corresponding digital value in decimal?

   

Thanks.

   

maxdamage.

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