ADE7758 Analog Devices, ADE7758 Datasheet - Page 16

• Manufacturer Part Number: ADE7758
• Description: Poly Phase Multifunction Energy Metering IC with Per Phase Information
• Manufacturer: Analog Devices

ADE7758
Figure 24. Reactive Energy Error as a Percentage of Reading (Gain = +4) over
Figure 26. Reactive Energy Error as a Percentage of Reading (Gain = +4) over
Figure 25. Active Energy Error as a Percentage of Reading (Gain = +4) over
–0.1
–0.2
–0.3
–0.4
–0.5
–0.1
–0.2
–0.3
–0.4
–0.5
–0.2
–0.4
–0.6
–0.8
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
1.2
1.0
0.8
0.6
0.4
0.2
0
Temperature with Internal Reference and Integrator On
0
0
0.01
45
45
Frequency with Internal Reference and Integrator On
Frequency with Internal Reference and Integrator On
47
47
49
49
PERCENT FULL-SCALE CURRENT (%)
0.1
51
51
LINE FREQUENCY (Hz)
LINE FREQUENCY (Hz)
53
53
55
55
1
57
57
+25°C
+85°C
–40°C
59
59
10
PF = 0.866
61
61
PF = 0
PF = 0
PF = 0.5
PF = 1
63
63
100
65
65
Rev. A | Page 16 of 68
Figure 29. VRMS Error as a Percentage of Reading (Gain = +1)
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–0.2
–0.4
–0.6
–0.8
–1.0
–0.1
–0.2
–0.3
–0.4
Figure 27. IRMS Error as a Percentage of Reading (Gain = +1)
Figure 28. IRMS Error as a Percentage of Reading (Gain = +4)
0.8
0.6
0.4
0.2
0.8
0.6
0.4
0.2
0.4
0.3
0.2
0.1
0
0
0
0.01
0.1
1
with Internal Reference and Integrator Off
PF = 0.5
with Internal Reference and Integrator On
PERCENT FULL-SCALE CURRENT (%)
PERCENT FULL-SCALE CURRENT (%)
0.1
PF = 1
with Internal Reference
1
PF = –0.5
PF = +1
VOLTAGE (V)
10
1
10
10
100
100
100