ADE7761A
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
0.8
0.6
0.4
+25°C
% ERROR
PF = 1
ON-CHIP REFERENCE
1.0
–40°C
0.8
0.6
GAIN = 16
ON-CHIP REFERENCE
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
05040-004
0.2
% ERROR
PF = –0.5
PF = +1
PF = +0.5
0
–0.2
–0.4
–0.6
–0.8
–1.0
0.1
1.0
10.0
CURRENT (% of Full Scale)
100.0
+85°C
1
10
100
CURRENT (% Full Scale)
Figure 4. Active Power Error as a Percentage of Reading
with Gain = 1 and Internal Reference
1.5
PF = DIFFERENT VALUES
ON-CHIP REFERENCE
1.0
0.8
0.6
Figure 7. Active Power Error as a Percentage of Reading
over Power Factor with Gain = 16 and Internal Reference
PF = 1
ON-CHIP REFERENCE
5.25V
1.0
–40°C; PF = 0.5
0.5
% ERROR
% ERROR
0.4
0.2
+25°C; PF = 1
0
+85°C; PF = 0.5
–0.5
+25°C; PF = 0.5
0
–0.2
–0.4
–0.6
–0.8
5.00V
4.75V
05040-005
1.0
10
CURRENT (% of Full Scale)
100
1.0
10.0
CURRENT (% of Full Scale)
100.0
Figure 5. Active Power Error as a Percentage of Reading
over Power Factor with Gain = 1 and Internal Reference
1.0
0.8
0.6
0.4
PF = 1. GAIN = 16
ON-CHIP REFERENCE
Figure 8. Active Power Error as a Percentage of Reading
over Power Supply with Gain = 1 and Internal Reference
2.0
1.5
1.0
0.5
+85°C
ON-CHIP REFERENCE
% ERROR
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0.10
+85°C
–40°C
05040-034
+25°C
% ERROR
0
–0.5
–1.0
–1.5
+25°C
–40°C
1
10
CURRENT (% Full Scale)
100
1.0
10.0
CURRENT (% of Full Scale)
100.0
Figure 6. Active Power Error as a Percentage of Reading
with Gain = 16 and Internal Reference
Figure 9. Ampere Hour Error as a Percentage of Reading
in Missing Neutral Mode with Gain = 1 and Internal Reference
Rev. 0 | Page 9 of 24
05040-007
–2.0
0.1
05040-006
–1.0
0.1
–1.0
0.1
05040-035
–1.0
0.10
AD [ ANALOG DEVICES ]
