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MC9S08DZ16 hardware doubt on the ADC VddA

Question asked by Diego Consolaro on Nov 18, 2013
Latest reply on Nov 18, 2013 by Diego Consolaro

Hi Community,

 

I have a hardware question.

 

In my application i want to sample a signal from hall effect sensor in the windows from 0.5V to 4.5V.

To improve the fidelity of the ADC i want to compress the dynamics of the ADC, and put the Vref @ 4.8V. My question is: My connection in the attached document is right? Or a voltage resistor divider is better?


Thanks to  everybody in advance for our reply.


Best Regards

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