ADE7758
TYPICAL PERFORMANCE CHARACTERISTICS
0.5
PF = 1
0.4
0.3
0.20
0.15
Data Sheet
0.2
0.10
PF = +0.5, –40 ° C
0.1
0
–0.1
+25 ° C
–40 ° C
0.05
0
–0.05
PF = –0.5, +25 ° C
–0.2
–0.3
–0.4
+85 ° C
–0.10
–0.15
PF = +0.5, +85 ° C
PF = +0.5, +25 ° C
–0.5
0.01
0.1
1
10
100
–0.20
0.01
0.1
1
10
100
PERCENT FULL-SCALE CURRENT (%)
Figure 6. Active Energy Error as a Percentage of Reading (Gain = +1) over
Temperature with Internal Reference and Integrator Off
0.3
0.2
PERCENT FULL-SCALE CURRENT (%)
Figure 9. Active Energy Error as a Percentage of Reading (Gain = +1) over
Temperature with External Reference and Integrator Off
0.6
0.5
0.4
0.1
PF = +0.5, +25 ° C
0.3
PF = 1
0
PF = +1, +25 ° C
0.2
0.1
0
PF = 0.5
–0.1
–0.2
PF = –0.5, +25 ° C
PF = +0.5, +85 ° C
PF = +0.5, –40 ° C
–0.1
–0.2
–0.3
–0.3
0.01
0.1
1
10
100
–0.4
45
47
49
51 53 55 57 59
61
63
65
PERCENT FULL-SCALE CURRENT (%)
Figure 7. Active Energy Error as a Percentage of Reading (Gain = +1) over
Power Factor with Internal Reference and Integrator Off
0.3
LINE FREQUENCY (Hz)
Figure 10. Active Energy Error as a Percentage of Reading (Gain = +1) over
Frequency with Internal Reference and Integrator Off
0.10
0.2
PF = 1
0.08
PF = 1
0.06
0.1
0
GAIN = +4
0.04
0.02
0
V DD = 5.25V
–0.1
–0.02
V DD = 5V
GAIN = +2
GAIN = +1
–0.04
–0.2
–0.06
–0.08
V DD = 4.75V
–0.3
0.01
0.1 1 10
PERCENT FULL-SCALE CURRENT (%)
100
–0.10
0.01
0.1 1 10
PERCENT FULL-SCALE CURRENT (%)
100
Figure 8. Active Energy Error as a Percentage of Reading over
Gain with Internal Reference and Integrator Off
Figure 11. Active Energy Error as a Percentage of Reading (Gain = +1) over
Power Supply with Internal Reference and Integrator Off
Rev. E | Page 12 of 72
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