ade7769 Analog Devices, Inc., ade7769 Datasheet - Page 8

• Manufacturer Part Number: ade7769
• Description: Energy Metering Ic With Integrated Oscillator And No-load Indication
• Manufacturer: Analog Devices, Inc.

ADE7769
TYPICAL PERFORMANCE CHARACTERISTICS
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
0.1
0.1
Figure 5. Error as a % of Reading over Temperature
Figure 6. Error as a % of Reading over Temperature
+25 C, PF = 0.5 IND
PF = 1
ON-CHIP REFERENCE
PF = 0.5 IND
ON-CHIP REFERENCE
with On-Chip Reference (PF = 0.5 IND)
with On-Chip Reference (PF = 1)
CURRENT CHANNEL (% of Full Scale)
CURRENT CHANNEL (% of Full Scale)
1
1
220V
+25 C
40A TO
40mA
350
–40 C, PF = 0.5 IND
+85 C, PF = 0.5 IND
10
10
602k
1 F
200
+25 C, PF = 1
+
–40 C
+
150nF
150nF
150nF
150nF
100nF
Figure 4. Test Circuit for Performance Curves
200
200
+85 C
200
100
100
2
3
5
4
7
V2P
V2N
V1P
V1N
REF
Rev. A | Page 8 of 20
AGND
ADE7769
6
IN/OUT
V
V
U1
DGND
DD
1
DD
13
RCLKIN
REVP
SCF
CF
S0
S1
F1
F2
100nF
16
15
14
12
11
10
9
8
6.2k
820
10nF
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
+
0
0
0.1
0.1
10 F
Figure 7. Error as a % of Reading over Temperature
Figure 8. Error as a % of Reading over Temperature
10nF
PF = 0.5 IND
EXTERNAL REFERENCE
1
2
PF = 1
EXTERNAL REFERENCE
U3
with External Reference (PF = 0.5 IND)
PS2501-1
4
3
10nF
V
with External Reference (PF = 1)
DD
CURRENT CHANNEL (% of Full Scale)
CURRENT CHANNEL (% of Full Scale)
10k
K7
K8
1
1
+25 C, PF = 0.5 IND
–40 C, PF = 0.5 IND
+85 C, PF = 0.5 IND
10
10
+25 C, PF = 1
+25 C
+85 C
–40 C
100
100