ade7760 Analog Devices, Inc., ade7760 Datasheet - Page 10

• Manufacturer Part Number: ade7760
• Description: Energy Metering Ic With On-chip Fault Detection
• Manufacturer: Analog Devices, Inc.

ADE7760
TYPICAL PERFORMANCE CHARACTERISTICS
–0.2
–0.4
–0.6
–0.8
–1.0
–0.5
–1.0
1.0
0.8
0.6
0.4
0.2
1.5
1.0
0.5
0
0
Figure 4. Active Power Error as a Percentage of Reading with
Figure 5. Active Power Error as a Percentage of Reading over
0.1
0.1
PF = 1
ON-CHIP REFERENCE
PF = 0.5
ON-CHIP REFERENCE
Power Factor with Internal Reference
CURRENT (% of Full Scale)
CURRENT (% of Full Scale)
220V
1.0
1.0
Internal Reference
+85°C; PF = 0.5
–40°C; PF = 0.5
1M
1k
40A TO 80mA
+25°C; PF = 1
RB = 18
I
33nF
10.0
10.0
–40°C
+25°C
+85°C
+25°C; PF = 0.5
RB
RB
10 F
+
33nF
33nF
33nF
33nF
1k
1k
1k
1k
Figure 7. Test Circuit for Performances Curves
100.0
100.0
100nF
2
3
4
5
6
V
V
V
V
V
1A
1B
1N
2N
2P
Rev. 0 | Page 10 of 24
V
V
DD
DD
1
INT
13
ADE7760
AGND DGND
8
REF
RCLKIN
FAULT
17
IN/OUT
SCF
–0.2
–0.4
–0.6
–0.8
–1.0
CF
S0
S1
1.0
0.8
0.6
0.4
0.2
0
Figure 6. Active Power Error as a Percentage of Reading over
0.1
18
15
14
12
11
10
9
PF = 1
ON-CHIP REFERENCE
100nF
6.2k
2k
2k
Power Supply with Internal Reference
10k
PS2501-1
CURRENT (% of Full Scale)
1
2
+
1.0
10 F
5.00V
5.25V
4
3
TO FREQ.
COUNTER
10.0
4.75V
100.0