ADE7854 데이터 시트보기 (PDF) - Analog Devices
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ADE7854 Datasheet PDF : 100 Pages
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Data Sheet
1.5
1.2
0.9
0.6
0.3
0
–0.3
–0.6
–0.9
–1.2
–1.5
0.01
3.63V
3.30V
2.97V
TA = 25°C
0.1
1
10
100
PERCENTAGE OF FULL-SCALE CURRENT (%)
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
+85°C
1.2
+25°C
–40°C
0.9
VDD = 3.3V
0.6
0.3
0
–0.3
–0.6
–0.9
–1.2
–1.5
0.01
0.1
1
10
100
PERCENTAGE OF FULL-SCALE CURRENT (%)
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
PF = +0.5
PF = –0.5
0.10
PF = +1.0
0.05
0
–0.05
–0.10
–0.15
45
50
55
60
65
LINE FREQUENCY (Hz)
Figure 18. Fundamental Active Energy Error As Percentage of Reading
(Gain = +1) over Frequency with Internal Reference and Integrator Off
ADE7854/ADE7858/ADE7868/ADE7878
1.5
+85°C
1.2
+25°C
–40°C
0.9
VDD = 3.3V
0.6
0.3
0
–0.3
–0.6
–0.9
–1.2
–1.5
0.01
0.1
1
10
100
PERCENTAGE OF FULL-SCALE CURRENT (%)
Figure 19. Fundamental Active Energy Error As Percentage of Reading
(Gain = +16) over Temperature with Internal Reference and Integrator On
0.15
PF = +0.866
PF = –0.866
PF = 0
0.10
0.05
0
–0.05
–0.10
–0.15
45
50
55
60
65
LINE FREQUENCY (Hz)
Figure 20. Fundamental Reactive Energy Error As Percentage of Reading
(Gain = +1) over Frequency with Internal Reference and Integrator Off
1.5
+85°C
1.2
+25°C
–40°C
0.9
VDD = 3.3V
0.6
0.3
0
–0.3
–0.6
–0.9
–1.2
–1.5
0.01
0.1
1
10
100
PERCENTAGE OF FULL-SCALE CURRENT (%)
Figure 21. Fundamental Reactive Energy Error As Percentage of Reading
(Gain = +16) over Temperature with Internal Reference and Integrator On
Rev. H | Page 19 of 100
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