Datasheet

ADE7880 Data Sheet
Rev. A | Page 14 of 104
0.5
–0.5
–0.3
–0.1
0.1
0.3
0.01 0.1 1 10 100
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
GAIN = +1
GAIN = +2
GAIN = +4
GAIN = +8
GAIN = +16
10193-106
Figure 13. Fundamental Active Energy Error as Percentage of Reading over
Gain with Internal Reference and Integrator Off
0.5
–0.5
–0.3
–0.1
0.1
0.3
0.01 0.1 1 10 100
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
V
DD
= 2.97V
V
DD
= 3.30V
V
DD
= 3.63V
10193-107
Figure 14. Fundamental Active Energy Error as Percentage of Reading
(Gain = +1) over Power Supply with Internal Reference and Integrator Off
0.5
–0.5
–0.3
–0.1
0.1
0.3
0.01 0.1 1 10 100
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
+25°C, PF = 1.0
–40°C, PF = 1.0
+85°C, PF = 1.0
10193-108
Figure 15. Fundamental Active Energy Error as Percentage of Reading
(Gain = +1) over Temperature with Internal Reference and Integrator On
0.5
–0.5
–0.3
–0.1
0.1
0.3
0.01 0.1 1 10 100
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
+25°C, PF = 1.0
–40°C, PF = 1.0
+85°C, PF = 1.0
10193-109
Figure 16. Fundamental Reactive Energy Error as Percentage of Reading
(Gain = +1, Power Factor = 0) over Temperature with Internal Reference and
Integrator Off
0.5
–0.5
–0.3
–0.1
0.1
0.3
0.01 0.1 1 10 100
ERROR (%)
PERCENTAGE OF FULL-SCALE CURRENT (%)
GAIN = +1
GAIN = +2
GAIN = +4
GAIN = +8
GAIN = +16
10193-110
Figure 17. Fundamental Reactive Energy Error as Percentage of Reading over
Gain with Internal Reference and Integrator Off
0.5
–0.5
–0.3
–0.1
0.1
0.3
45 47 49 51 53 55 57 59 61 63 65
ERROR (%)
LINE FREQUENCY (Hz)
PF = +1.0
PF = +0.5
PF = –0.5
10193-111
Figure 18. Fundamental Reactive Energy Error as Percentage of Reading
(Gain = +1) over Frequency with Internal Reference and Integrator Off