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ADE7880 数据表(PDF) 15 Page - Analog Devices

部件名 ADE7880
功能描述  Polyphase Multifunction Energy Metering IC
PDF  104 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7880 数据表(HTML) 15 Page - Analog Devices

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Data Sheet
ADE7880
Rev. A | Page 15 of 104
0.5
–0.5
–0.3
–0.1
0.1
0.3
0.01
0.1
1
10
100
PERCENTAGE OF FULL-SCALE CURRENT (%)
VDD = 2.97V
VDD = 3.30V
VDD = 3.63V
Figure 19. Fundamental Reactive 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
PERCENTAGE OF FULL-SCALE CURRENT (%)
+25°C, PF = 1.0
–40°C, PF = 1.0
+85°C, PF = 1.0
Figure 20. Fundamental Reactive Energy Error as Percentage of Reading
(Gain = +16) 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
PERCENTAGE OF FULL-SCALE CURRENT (%)
+25°C, PF = 1.0
–40°C, PF = 1.0
+85°C, PF = 1.0
Figure 21. I RMS Error as Percentage of Reading (Gain = +1) 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
PERCENTAGE OF FULL-SCALE CURRENT (%)
+25°C, PF = 1.0
–40°C, PF = 1.0
+85°C, PF = 1.0
Figure 22. V RMS Error as a Percentage of Reading (Gain = +1) over
Temperature with Internal Reference
5
–45
–40
–35
–30
–25
–20
–15
–10
–5
0
06
60
57
54
51
48
45
42
39
36
33
30
27
24
21
18
15
12
9
6
3
HARMONIC ORDER (55Hz FUNDAMENTAL)
3
Figure 23. Harmonic I RMS Error as a Percentage of Reading over Harmonic
Order, 63 Harmonics, 55 Hz Fundamental, 30 Averages per Reading, 750 ms
Settling time, 125 μs Update Rate
6
–6
–4
–2
0
2
4
0.01
0.1
1
10
100
PERCENTAGE OF FULL-SCALE CURRENT (%)
Figure 24. Harmonic I RMS Error as a Percentage of Reading (Gain = +1),
51 Harmonics, 55 Hz Fundamental, Single Reading, 750 ms Settling Time



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