Datasheet

ADE7758 Data Sheet
Rev. E | Page 14 of 72
0.10
–0.10
–0.08
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0.08
0.01 0.1 1 10 100
PERCENT FULL-SCALE CURRENT (%)
PERCENT ERROR (%)
WITH RESPECT TO 5V; 3A
5V
5.25V
4.75V
04443-018
Figure 18. Reactive Energy Error as a Percentage of Reading (Gain = +1) over
Supply with Internal Reference and Integrator Off
0.3
–0.3
–0.2
–0.1
0
0.1
0.2
0.01 0.1 1 10 100
PERCENT FULL-SCALE CURRENT (%)
PERCENT ERROR (%)
GAIN = +1
GAIN = +2
GAIN = +4
PF = 0
04443-019
Figure 19. Reactive Energy Error as a Percentage of Reading over Gain with
Internal Reference and Integrator Off
0.4
–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 (%)
PHASE A
ALL PHASES
PHASE C
PHASE B
PF = 1
04443-020
Figure 20. VARCF Error as a Percentage of Reading (Gain = +1)
with Internal Reference and Integrator Off
0.3
–0.3
–0.2
–0.1
0
0.1
0.2
0.01 0.1 1 10 100
PERCENT FULL-SCALE CURRENT (%)
PERCENT ERROR (%)
+25 ° C
+85
° C
–40
° C
04443-021
Figure 21. Active 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
0.01 0.1 1 10 100
PERCENT FULL-SCALE CURRENT (%)
PERCENT ERROR (%)
PF = +1, +25 ° C
PF = –0.5, +25
° C
PF = +0.5, +25
° C
PF = +0.5, +85
° C
PF = +0.5, –40
° C
04443-022
Figure 22. Active Energy Error as a Percentage of Reading (Gain = +4) over
Power Factor with Internal Reference and Integrator On
0.8
–0.8
–0.4
–0.6
–0.2
0
0.2
0.4
0.6
0.01 0.1 1 10 100
PERCENT FULL-SCALE CURRENT (%)
PERCENT ERROR (%)
PF = 0, +25 ° C
PF = +0.866, +25
° C
PF = –0.866, +25
° C
PF = –0.866, +85
° C
PF = –0.866, –40
° C
04443-023
Figure 23. Reactive Energy Error as a Percentage of Reading (Gain = +4) over
Power Factor with Internal Reference and Integrator On