71M6531D Datasheet, PDF (104/115 Pages) Teridian Semiconductor Corporation – Energy Meter IC

Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
5.6 Typical Performance Data
5.6.1 Accuracy over Current
Figure 44 shows accuracy over current for various load angles at room temperature.
6531 Wh, All Phases, 50 Hz, 240 V
1
0.75
0.5
0.25
0
-0.25
0 Degree
60 Degree
300 Degree
180 Degree
-0.5
-0.75
-1
0.1
1
10
I (A rms)
100
1000
Figure 44: Wh Accuracy, 0.1 A to 200 A at 240 V/50 Hz and Room Temperature
5.6.2 Accuracy over Temperature
With digital temperature compensation enabled, the temperature characteristics of the reference voltage
(VREF) are compensated to within ±40 PPM/°C.
104
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