Cirrus Logic AN362 - Manual (Page 10)

AN362
10 AN362REV1
4.3Accuracy Results for I
RMS
Load Current Performance
Figure 9. I
RMS
Load Current Performance
Load Current (A)
Current Dynamic
Range (x:1)
I
RMS
Register Value
(10-Second Average) I
RMS
Error
100 1 0.59990938 -0.02%
10 10 0.059996352 -0.01%
1 100 0.00600099 0.02%
0.2 500 0.001200253 0.02%
0.1 1000 0.000600082 0.01%
0.05 2000 0.000300026 0.01%
0.03 3333 0.00018006 0.03%
Table 6. I
RMS
Load Current Performance
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.01 0.1 1 10 100
Percent Error (%
)
Load Current (A)
Note: CS5480, where U
n
= 240 V, I
b(max)
= 2.5 (100 A) at 50 Hz