Datasheet

Data Sheet ADE7854/ADE7858/ADE7868/ADE7878
Rev. G | Page 19 of 100
1.5
–1.5
–1.2
–0.9
–0.6
–0.3
0
0.3
0.6
0.9
1.2
0.01 1001010.1
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
2.97V
3.30V
3.63V
08510-607
T
A
= 25°C
Figure 16. Total Reactive Energy Error As Percentage of Reading (Gain = +1,
Power Factor = 0) over Power Supply with Internal Reference and Integrator Off
1.5
–1.5
–1.2
–0.9
–0.6
–0.3
0
0.3
0.6
0.9
1.2
0.01 100101
0.1
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
08510-608
–40°C
+25°C
+85°C VDD = 3.3V
Figure 17. Total Reactive Energy Error As Percentage of Reading (Gain = +16,
Power Factor = 0) over Temperature with Internal Reference and Integrator On
0.15
–0.15
–0.10
–0.05
0
0.05
0.10
6560555045
ERROR (%)
LINE FREQUENCY (Hz)
PF = +1.0
PF = –0.5
PF = +0.5
08510-609
Figure 18. Fundamental Active Energy Error As Percentage of Reading
(Gain = +1) over Frequency with Internal Reference and Integrator Off
1.5
–1.5
–1.2
–0.9
–0.6
–0.3
0
0.3
0.6
0.9
1.2
0.01 1001010.1
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
08510-610
–40°C
+25°C
+85°C VDD = 3.3V
Figure 19. Fundamental Active Energy Error As Percentage of Reading
(Gain = +16) over Temperature with Internal Reference and Integrator On
0.15
–0.15
–0.10
–0.05
0
0.05
0.10
65605550
45
ERROR (%)
LINE FREQUENCY (Hz)
PF = 0
PF = –0.866
PF = +0.866
08510-6
1
1
Figure 20. Fundamental Reactive Energy Error As Percentage of Reading
(Gain = +1) over Frequency with Internal Reference and Integrator Off
1.5
–1.5
–1.2
–0.9
–0.6
–0.3
0
0.3
0.6
0.9
1.2
0.01 1001010.1
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
08510-612
–40°C
+25°C
+85°C VDD = 3.3V
Figure 21. Fundamental Reactive Energy Error As Percentage of Reading
(Gain = +16) over Temperature with Internal Reference and Integrator On