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AD8004 G+2 Configuration not working

Question asked by pavanbabut on May 26, 2016
Latest reply on May 27, 2016 by KRZ

Hello,

I followed the datasheet to the spec for designing the G+2 op-amp using AD8004. But I am not getting expected results. My input signal is a 1Vp-p and what I am seeing at the output is ~520mV. I adjusted P1 so that P1+R92=R93. The input through R94 is for offset adjustment only. Any ideas why my output is not 2Vp-p?

 

From datasheet it says for G+2, Rf=Rg=604ohms.

thanks

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