how to get correct V/LSB in ADE7763

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Deepak Rathore

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hello friends,

As i m using ADE7763 in my Project. I made all the configuration of ADE7763 and finally got reading in the Vrms.

and after taking reading of Vrms at diffrent voltage levels, i calculate my V/LSB which is as Follows.

Code:
V_AC	        Analog I/p(V2P,V2N)        Reading		V/LSB
3.362	0.005		             632876		        5.31226E-06
20	        0.017		            784902		        2.54809E-05
50	        0.046		            1185823		4.21648E-05
100	        0.092		            1952878		5.12065E-05
150	        0.137		            2504953		5.98814E-05
200	        0.184		            2839999		7.04226E-05
250	        0.228		            3069903		8.14358E-05
but ADE7763 give us one point calibration means through out range it's V/LSB is constant.

but in my case my V/LSB is varying in different reading.

so how to get right V/LSB????

Deepak.
 
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