ADE7755
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
02896-010
0.4
PF = 0.5
GAIN = 8
ON-CHIP REFERENCE
0.3
0.2
0.1
+25°C
0
–0.1
+85°C
+85°C PF = 0.5
–0.2
–0.3
02896-013
02896-014
–40°C PF = 0.5
PF = 1
GAIN = 16
EXTERNAL REFERENCE
–40°C
+25°C PF = 1
+25°C PF = 0.5
ERROR (%)
ERROR (%)
–0.8
0.01
0.1
1
10
FULL-SCALE CURRENT (%)
100
–0.4
0.01
0.1
1
10
FULL-SCALE CURRENT (%)
100
Figure 10. Error as a % of Reading (Gain = 8)
0.4
0.2
0
+25°C PF = 1
–40°C PF = 0.5
Figure 13. Error as a % of Reading over Temperature with an External
Reference (Gain = 16)
0.8
0.6
PF = 1
0.4
ERROR (%)
0.2
PF = 0.5
0
–0.2
–0.4
–0.6
ERROR (%)
–0.2
+25°C PF = 0.5
–0.4
–0.6
–0.8
–1.0
0.01
PF = 0.5
GAIN = 16
ON-CHIP REFERENCE
02896-011
+85°C PF = 0.5
0.1
1
10
FULL-SCALE CURRENT (%)
100
45
50
55
60
65
FREQUENCY (Hz)
70
75
Figure 11. Error as a % of Reading (Gain = 16)
0.4
0.3
0.2
0.1
+25°C
0
–0.1
–0.2
1MΩ
Figure 14. Error as a % of Reading over Frequency
V
DD
PF = 1
GAIN = 2
EXTERNAL REFERENCE
40A TO
40mA
10µF
100nF
3
2
1
100nF
10µF
U3
1
4
–40°C
500µΩ
1.5mΩ
10mΩ
1kΩ
33nF
1kΩ
4
5
AV
DD
AC/DC DV
DD
NC
F1
24
V1P
K7
ERROR (%)
ADE7755
6
U1
F2
23
CF
22
NC
19
CLKOUT
18
2
3
V1N
REVP
20
33pF
Y1
3.58MHz 33pF
V
DD
GAIN
SELECT
PS2501-1
K8
33nF
+85°C
1kΩ
33nF
7
V2N
CLKIN
17
–0.3
02896-012
8
V2P
G0
16
G1
15
S0
14
S1
13
220V
1kΩ
33nF
10
10kΩ
–0.4
0.01
0.1
1
10
FULL-SCALE CURRENT (%)
100
10µF
100nF
REF
IN/OUT
NC = NO CONNECT
V
DD
Figure 15. Test Circuit for Performance Curves
Rev. A | Page 9 of 20
02896-015
Figure 12. Error as a % of Reading over Temperature with an External
Reference (Gain = 2)
SCF
12
RESET AGND DGND
9
11
21
10nF
10nF
10nF
AD [ ANALOG DEVICES ]
