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ADE7518
0.5
0.4
0.3
GAIN = 1
INTERNAL REFERENCE
1.5
1.0
GAIN = 8
INTERNAL REFERENCE
0.2
0.1
I rms ; 3.43V
I rms ; 3.3V
V rms ; 3.3V
V rms ; 3.43V
V rms ; 3.13V
0.5
PF = 1
PF = –0.5
MID CLASS C
0
0
–0.1
–0.2
I rms ; 3.13V
–0.5
PF = +0.5
MID CLASS C
–0.3
–0.4
–1.0
–0.5
0.1
1
10
100
–1.5
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 15. Voltage and Current RMS Error as a Percentage of Reading (Gain = 1)
over Power Supply with Internal Reference
CURRENT CHANNEL (% of Full Scale)
Figure 18. Active Energy Error as a Percentage of Reading (Gain = 8) over
Power Factor with Internal Reference
1.0
0.8
0.6
GAIN = 1
INTERNAL REFERENCE
1.0
GAIN = 8
0.8 INTERNAL REFERENCE
0.6
0.4
0.2
0
–0.2
PF = 1
PF = 0.5
MID CLASS B
MID CLASS B
0.4
0.2
0
–0.2
PF = 1
PF = +0.5
PF = –0.5
–0.4
–0.6
–0.8
–0.4
–0.6
–0.8
–1.0
40
45
50
55
60
65
70
–1.0
0.1
1
10
100
LINE FREQUENCY (Hz)
Figure 16. Active Energy Error as a Percentage of Reading (Gain = 1) over
Frequency with Internal Reference
CURRENT CHANNEL (% of Full Scale)
Figure 19. Reactive Energy Error as a Percentage of Reading (Gain = 8) over
Power Factor with Internal Reference
0.5
0.4
0.3
GAIN = 1
INTERNAL REFERENCE
1.5
1.0
GAIN = 8
INTERNAL REFERENCE
0.2
0.1
VAR; 3.3V
VAR; 3.43V
WATT; 3.3V
0.5
PF = 1
PF = +0.5
MID CLASS C
0
0
–0.1
–0.2
VAR; 3.13V
WATT; 3.13V
WATT; 3.43V
–0.5
PF = –0.5
MID CLASS C
–0.3
–0.4
–1.0
–0.5
0.1
1
10
100
–1.5
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 17. Active and Reactive Energy Error as a Percentage of Reading (Gain = 1)
over Power Supply with Internal Reference
CURRENT CHANNEL (% of Full Scale)
Figure 20. Current RMS Error as a Percentage of Reading (Gain = 8) over
Power Factor with Internal Reference
Rev. 0 | Page 18 of 128
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