Datasheet

Data Sheet ADE7758
Rev. E | Page 15 of 72
0.4
–0.5
–0.4
–0.2
–0.3
–0.1
0
0.1
0.2
0.3
0.01 0.1 1 10 100
PERCENT FULL-SCALE CURRENT (%)
PERCENT ERROR (%)
+25 ° C
+85
° C
–40
° C
PF = 0
04443-024
Figure 24. Reactive Energy Error as a Percentage of Reading (Gain = +4) over
Temperature with Internal Reference and Integrator On
0.5
0.4
–0.5
–0.4
–0.2
–0.3
–0.1
0
0.1
0.2
0.3
45 47 49 51 53 55 57 59 61 63 65
LINE FREQUENCY (Hz)
PERCENT ERROR (%)
PF = 1
PF = 0.5
04443-025
Figure 25. Active Energy Error as a Percentage of Reading (Gain = +4) over
Frequency with Internal Reference and Integrator On
1.2
1.0
–0.8
–0.6
–0.2
–0.4
0
0.2
0.4
0.6
0.8
45 47 49 51 53 55 57 59 61 63 65
LINE FREQUENCY (Hz)
PERCENT ERROR (%)
PF = 0.866
PF = 0
04443-026
Figure 26. Reactive Energy Error as a Percentage of Reading (Gain = +4) over
Frequency with Internal Reference and Integrator On
0.8
0.6
–1.2
–1.0
–0.6
–0.8
–0.4
–0.2
0
0.2
0.4
0.01 0.1 1 10 100
PF = 0.5
PERCENT FULL-SCALE CURRENT (%)
PERCENT ERROR (%)
PF = 1
04443-027
Figure 27. IRMS Error as a Percentage of Reading (Gain = +1)
with Internal Reference and Integrator Off
0.8
0.6
–1.0
–0.6
–0.8
–0.4
–0.2
0
0.2
0.4
0.1 1 10 100
PF = +1
PF = –0.5
PERCENT FULL-SCALE CURRENT (%)
PERCENT ERROR (%)
04443-028
Figure 28. IRMS Error as a Percentage of Reading (Gain = +4)
with Internal Reference and Integrator On
0.4
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
1 10 100
VOLTAGE (V)
PERCENT ERROR (%)
04443-029
Figure 29. VRMS Error as a Percentage of Reading (Gain = +1)
with Internal Reference