ade7518 Analog Devices, Inc., ade7518 Datasheet - Page 18

• Manufacturer Part Number: ade7518
• Description: Single-phase Energy Measurement Ic With 8052 Mcu, Rtc, And Lcd Driver
• Manufacturer: Analog Devices, Inc.

ADE7518
Figure 15. Voltage and Current RMS Error as a Percentage of Reading (Gain = 1)
Figure 17. Active and Reactive Energy Error as a Percentage of Reading (Gain = 1)
Figure 16. Active Energy Error as a Percentage of Reading (Gain = 1) over
–0.1
–0.2
–0.3
–0.4
–0.5
–0.1
–0.2
–0.3
–0.4
–0.5
–0.2
–0.4
–0.6
–0.8
–1.0
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
1.0
0.8
0.6
0.4
0.2
0
0
0
0.1
0.1
40
GAIN = 1
INTERNAL REFERENCE
GAIN = 1
INTERNAL REFERENCE
GAIN = 1
INTERNAL REFERENCE
I
rms
VAR; 3.3V
I
PF = 0.5
rms
; 3.43V
PF = 1
over Power Supply with Internal Reference
over Power Supply with Internal Reference
; 3.13V
WATT; 3.13V
45
Frequency with Internal Reference
I
CURRENT CHANNEL (% of Full Scale)
CURRENT CHANNEL (% of Full Scale)
rms
VAR; 3.43V
MID CLASS B
MID CLASS B
; 3.3V
VAR; 3.13V
50
LINE FREQUENCY (Hz)
1
1
WATT; 3.3V
V
rms
55
; 3.3V
10
10
V
60
WATT; 3.43V
rms
V
; 3.43V
rms
; 3.13V
65
100
100
70
Rev. 0 | Page 18 of 128
Figure 19. Reactive Energy Error as a Percentage of Reading (Gain = 8) over
Figure 18. Active Energy Error as a Percentage of Reading (Gain = 8) over
Figure 20. Current RMS Error as a Percentage of Reading (Gain = 8) over
–0.5
–1.0
–1.5
–0.5
–1.0
–1.5
–0.2
–0.4
–0.6
–0.8
–1.0
1.5
1.0
0.5
1.5
1.0
0.5
1.0
0.8
0.6
0.4
0.2
0
0
0
0.1
0.1
0.1
GAIN = 8
INTERNAL REFERENCE
GAIN = 8
INTERNAL REFERENCE
GAIN = 8
INTERNAL REFERENCE
PF = 1
PF = 1
PF = 1
PF = +0.5
PF = –0.5
Power Factor with Internal Reference
Power Factor with Internal Reference
Power Factor with Internal Reference
CURRENT CHANNEL (% of Full Scale)
CURRENT CHANNEL (% of Full Scale)
CURRENT CHANNEL (% of Full Scale)
PF = –0.5
PF = –0.5
PF = +0.5
1
1
1
PF = +0.5
MID CLASS C
MID CLASS C
MID CLASS C
MID CLASS C
10
10
10
100
100
100