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Clarification: What is the maximum value that the VRMS register of the ADE7758 can reach?

Question asked by Leonard30 on Nov 4, 2017
Latest reply on Nov 30, 2017 by Gary.Kang.AnalogDevices

Hi

 

I have a question regarding the maximum value that the VRMS register ADE7758 can reach.

In the ade7758 datasheet, page 29, the following information is shown:

The equivalent rms value of a full-scale ac signal is approximately 1,639,101 (0x1902BD) in the VRMS register.

On the same page, Table 9 report that approximate VRMS Register Values on 60 Hz is 1,665,118.

 

Why are there two results ?

What is the maximum value that I should consider ?

 

Best Regards

Leonardo

 

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