Datasheet

71M6515H
Energy Meter IC
DATA SHEET
JULY 2011
Page: 14 of 60 © 2005−2011 Teridian Semiconductor Corporation 1.6
A Maxim Integrated Products Brand
Measured at current distortion amplitude of 40% and voltage distortion amplitude of 10%.
Figure 5: Meter Accuracy over Harmonics at 240V, 30A
Figure 6: Typical VAh Accuracy for VAh Using Vector Method
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
1 3 5 7 9 11 13 15 17 19 21 23 25
Harmonic
Error [%]
50Hz Harmonic Data 60Hz Harmonic Data
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0.1 1 10 100 1000
Error [%]
Current [A]
Performance for Apparent Energy (VAh)