Cirrus Logic AN362 - Manual (Page 6)

AN362
6 AN362REV1
3.3Accuracy Results for I
RMS
Load Current Performance
Figure 5. I
RMS
Load Current Performance
Load Current (A)
Current Dynamic
Range (x:1)
I
RMS
Register Value
(10-Second Average) I
RMS
Error
80 1 0.60011034 0.02%
8 10 0.06009873 0.02%
0.8 100 0.006001252 0.02%
0.16 500 0.001200491 0.04%
0.08 1000 0.000600857 0.14%
Table 3. I
RMS
Load Current Performance
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.1 1 10 100
Percen
t Erro
r (
%
)
Load Current (A)
Note: CS5480, where U
n
= 240 V, I
b(max)
= 2 (80 A) at 50 Hz