Cirrus Logic AN365 - Manual (Page 5)

AN365
AN365REV1 5
4.1 Load Performance with Rogowski Coil PA3202NL
4.1.1 Active Energy Load Performance
Power Factor Load Current (A) Current Dynamic Range (x:1) Error
PF = 1
80 1 0.04%
8 10 0.04%
0.8 100 0.04%
0.16 500 0.04%
0.08 1000 0.07%
0.04 2000 0.05%
0.03 3333 0.06%
0.02 4000 0.02%
Lagging PF = 0.5
80 1 0.05%
8 10 0.05%
0.8 100 0.04%
0.16 500 0.06%
0.08 1000 0.05%
0.04 2000 0.06%
Leading PF = 0.5
80 1 0.04%
8 10 0.04%
0.8 100 0.05%
0.16 500 0.04%
0.08 1000 0.05%
0.04 2000 0.07%
Table 3. Active Energy Load Performance
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.01 0.1 1 10 100
Pe
rc
e
n
ta
ge
Er
ror (
%
)
Load Current (A)
PF = 1 Lagging PF = 0.5 Leading PF = 0.5
Figure 4. Active Energy Load Performance