Datasheet

ADE7768
Rev. A | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
6.2kΩ
V2N
200Ω
2
20V
150nF
V2P
200Ω
602kΩ
V1P
V1N
350μΩ
40A TO
40mA
REF
IN/OUT
100nF
1μF
100nF
10μF
V
DD
DGND
F1
F2
CF
REVP
RCLKIN
S0
S1
SCF
10nF 10nF 10nF
U3
PS2501-1
K7
K8
U1
ADE7768
10kΩ
V
DD
200Ω
200Ω
150nF
150nF
AGND
150nF
V
DD
+
+
+
820Ω
2
3
5
4
7
6
13
1
16
15
14
12
11
10
9
8
1
4
2 3
05331-004
Figure 4. Test Circuit for Performance Curves
–1.0
–0.8
–0.6
–0.4
–0.2
0
ERROR (% of Reading)
0.2
0.4
0.6
05331-019
CURRENT CHANNEL (% of Full Scale)
0.1 101 100
0.8
1.0
+25°C
+85°C
–40°C
PF = 1
ON-CHIP REFERENCE
Figure 5. Error as a % of Reading over Temperature
with On-Chip Reference (PF = 1)
–1.0
–0.8
–0.6
–0.4
–0.2
0
ERROR (% of Reading)
0.2
0.4
0.6
05331-020
CURRENT CHANNEL (% of Full Scale)
0.1 101 100
0.8
1.0
–40°C, PF = 0.5 IND
+25°C, PF = 1
+85°C, PF = 0.5 IND
+25°C, PF = 0.5 IND
PF = 0.5 IND
ON-CHIP REFERENCE
Figure 6. Error as a % of Reading over Temperature
with On-Chip Reference (PF = 0.5 IND)
–1.0
–0.8
–0.6
–0.4
–0.2
0
ERROR (% of Reading)
0.2
0.4
0.6
05331-021
CURRENT CHANNEL (% of Full Scale)
0.1 101 100
0.8
1.0
+25°C
+85°C
–40°C
PF = 1
EXTERNAL REFERENCE
Figure 7. Error as a % of Reading over Temperature
with External Reference (PF = 1)
–1.0
–0.8
–0.6
–0.4
–0.2
0
ERROR (% of Reading)
0.2
0.4
0.6
05331-022
CURRENT CHANNEL (% of Full Scale)
0.1 101 100
0.8
1.0
+25°C, PF = 1
–40°C, PF = 0.5 IND
+25°C, PF = 0.5 IND
+85°C, PF = 0.5 IND
PF = 0.5 IND
EXTERNAL REFERENCE
Figure 8. Error as a % of Reading over Temperature
with External Reference (PF = 0.5 IND)