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Driving ADC, please help

Question asked by ramon. on Aug 14, 2013
Latest reply on Aug 27, 2013 by NeilJ
Branched to a new discussion

Hi,

 

I want to drive a SAR ADC (AD7980), and I have the following restrictions:

 

   1) Unipolar single-ended input of 0V-10V

   2) I want to use a single supply OPAMP (0V to +12V)

   3) DC coupling

 

ADC input range is 0V to 5V as I will use a Vref of 5V.

 

So basically I would need a  "unipolar single-ended 0-10V"  to  "unipolar single-ended 0-5V" with a single supply opamp.

 

Is this possible? if yes, how?

 

Thanks

 

Edit: I forgot DC-Couping requirement

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