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Powe supply with VDDXR and VDDA/VRH  for 9s12GA48

Question asked by jiang lei on Jan 20, 2017
Latest reply on Jan 20, 2017 by Dan Martynek

Hi all, 

 

I want to use a voltage reference chip ( REF3040, output reference voltage is 4.096V, Maximum output current:25mA) to supply VDDA/VRH (Pin 37). The VDDXR (Pin 2) is supplied with 5V. Thus, the voltage between VDDRX(5V) and VDDA/VRH(4.096V) are different. So, I want to know whether the chip can work under this condition?    

 

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