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ADE7878 数据表(PDF) 14 Page - Analog Devices

部件名 ADE7878
功能描述  Polyphase Multifunction Energy Metering IC with per Phase Active and Reactive Powers
PDF  92 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7878 数据表(HTML) 14 Page - Analog Devices

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ADE7878
Rev. 0 | Page 14 of 92
TYPICAL PERFORMANCE CHARACTERISTICS
–0.40
–0.35
–0.30
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.01
0.1
1
10
100
FULL-SCALE CURRENT (%)
+25°C, pf = 1.0
–40°C, pf = 1.0
+85°C, pf = 1.0
Figure 7. Total Active Energy Error As Percentage of Reading (Gain = +1,
pF = 1) over Temperature with Internal Reference and Integrator Off
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
45
47
49
51
53
55
57
59
61
63
65
LINE FREQUENCY (Hz)
pf = 1
pf = +0.5
pf = –0.5
Figure 8. Total Active Energy Error As Percentage of Reading (Gain = +1,
pF = 1) over Frequency with Internal Reference and Integrator Off
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0.01
0.1
1
10
100
FULL-SCALE CURRENT (%)
VDD = 2.97V
VDD = 3.30V
VDD = 3.63V
Figure 9. Total Active Energy Error As Percentage of Reading (Gain = +1,
pF = 1) over Power Supply with Internal Reference and Integrator Off
–0.60
–0.40
–0.20
0
0.20
0.40
0.60
0.80
0.1
1
10
100
FULL-SCALE CURRENT (%)
+25°C, pf = 1.0
–40°C, pf = 1.0
+85°C, pf = 1.0
Figure 10. Total Active Energy Error As Percentage of Reading (Gain = +16)
over Temperature with Internal Reference and Integrator On
–0.50
–0.40
–0.30
–0.20
–0.10
0
0.10
0.20
0.30
0.40
0.01
0.1
1
10
100
FULL-SCALE CURRENT (%)
+25°C, pf = 0
–40°C, pf = 0
+85°C, pf = 0
Figure 11. Total Reactive Energy Error As Percentage of Reading (Gain = +1,
pF = 0) over Temperature with Internal Reference and Integrator Off
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
45
47
49
51
53
55
57
59
61
63
65
LINE FREQUENCY (Hz)
pf = 0
pf = +0.5
pf = –0.5
Figure 12. Total Reactive Energy Error As Percentage of Reading (Gain = +1)
over Frequency with Internal Reference and Integrator Off



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