Datasheet

ADE7755
Rev. A | Page 9 of 20
0.10.01 1 10
0.8
0.6
0.4
0.2
ERROR (%)
FULL-SCALE CURRENT (%)
–0.2
–0.6
–0.4
0
–0.8
100
PF = 0.5
GAIN = 8
ON-CHIP REFERENCE
–40°C PF = 0.5
+25°C PF = 1
+25°C PF = 0.5
+85°C PF = 0.5
02896-010
Figure 10. Error as a % of Reading (Gain = 8)
0.10.01 1 10
0.4
0.2
0
–0.2
ERROR (%)
FULL-SCALE CURRENT (%)
–0.6
–0.8
–0.4
–1.0
100
–40°C PF = 0.5
+25°C PF = 1
+25°C PF = 0.5
+85°C PF = 0.5
PF = 0.5
GAIN = 16
ON-CHIP REFERENCE
0
2896-011
Figure 11. Error as a % of Reading (Gain = 16)
0.10.01 1 10
ERROR (%)
FULL-SCALE CURRENT (%)
100
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
PF = 1
GAIN = 2
EXTERNAL REFERENCE
+25°C
–40°C
+85°C
02896-012
Figure 12. Error as a % of Reading over Temperature with an External
Reference (Gain = 2)
0.10.01 1 10
ERROR (%)
FULL-SCALE CURRENT (%)
100
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
PF = 1
GAIN = 16
EXTERNAL REFERENCE
–40°C
+25°C
+85°C
02896-013
Figure 13. Error as a % of Reading over Temperature with an External
Reference (Gain = 16)
5045 6055 7065
0.8
0.6
0.4
0.2
ERROR (%)
FREQUENCY (Hz)
0
–0.2
–0.4
–0.6
75
PF = 1
PF = 0.5
02896-014
Figure 14. Error as a % of Reading over Frequency
40A TO
40mA
500µΩ
1.5mΩ
10mΩ
1kΩ
1MΩ
1kΩ
10µF 100nF
NC
AV
DD
AC/DC DV
DD
F1
F2
U1
ADE7755
CF
REVP
NC
CLKOUT
CLKIN
G0
G1
S0
S1
SCF
V1P
V1N
V2N
V2P
REF
IN/OUT
100nF 10µF
K7
NC = NO CONNECT
PS2501-1
33pF
33pF
K8
10kΩ
10nF10nF10nF
V
DD
RESET AGND DGND
Y1
3.58MHz
GAIN
SELECT
U3
V
DD
V
DD
33nF
33nF
100nF
33nF
1kΩ
10µF
220V
33nF
1kΩ
4
321
24
1
4
3
2
23
22
20
19
18
17
16
15
14
13
12
2111
9
5
6
7
8
10
02896-015
Figure 15. Test Circuit for Performance Curves