EVAL-ADE7763EB View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'EVAL-ADE7763EB' PDF : 56 Pages View PDF
ADE7763
0.5
GAIN = 8
0.4
INTEGRATOR ON
INTERNAL REFERENCE
0.3
5.25V
0.2
0.1
5.00V
0
–0.1
–0.2
4.75V
–0.3
–0.4
–0.5
0.1
1
10
100
FULL-SCALE CURRENT (%)
Figure 18. Active Energy Error as a Percentage of Reading (Gain = 8)
over Power Supply with Internal Reference and Integrator On
0.5
GAIN = 8
0.4
INTEGRATOR ON
INTERNAL REFERENCE
0.3
0.2
0.1
PF = 0.5
0
–0.1 PF = 1
–0.2
–0.3
–0.4
–0.5
0.1
1
10
100
FULL-SCALE CURRENT (%)
Figure 19. IRMS Error as a Percentage of Reading (Gain = 8)
with Internal Reference and Integrator On
16
14
12
10
8
6
4
2
0
–15
–10
–5
0
5
10
15
20
CH1 OFFSET (0p5V_1X) (mV)
Figure 20. Channel 1 Offset (Gain = 1)
VDD
I
10µF
100nF
100nF
10µF
di/dt CURRENT
SENSOR
100Ω 1kΩ
33nF 33nF
100Ω 1kΩ
33nF 33nF
110V
1kΩ 33nF
600kΩ
1kΩ 33nF
10µF 100nF
CHANNEL 1 GAIN = 8
CHANNEL 2 GAIN = 1
AVDD DVDD RESET
DIN
V1P
DOUT
SCLK
V1N U1
ADE7763 CS
CLKOUT
V2N
CLKIN
V2P
REFIN/OUT
IRQ
SAG
ZX
CF
AGND DGND
TO SPI BUS
(USED ONLY FOR
CALIBRATION)
Y1
3.58MHz
22pF
22pF
NOT CONNECTED
U3
TO
FREQUENCY
COUNTER
PS2501-1
Figure 21. Test Circuit for Performance Curves with Integrator On
VDD
I
10µF
100nF
100nF
10µF
CURRENT
TRANSFORMER
1kΩ
33nF
RB
1kΩ
33nF
110V
1kΩ 33nF
600kΩ
1kΩ 33nF
10µF
100nF
CT TURN RATIO = 1800:1
CHANNEL 2 GAIN = 1
GAIN 1 (CH1) RB
1
10Ω
8
1.21Ω
AVDD DVDD RESET
DIN
V1P
DOUT
SCLK
V1N U1
ADE7763 CS
CLKOUT
V2N
CLKIN
V2P
REFIN/OUT
IRQ
SAG
ZX
CF
AGND DGND
TO SPI BUS
(USED ONLY FOR
CALIBRATION)
Y1
3.58MHz
22pF
22pF
NOT CONNECTED
U3
TO
FREQUENCY
COUNTER
PS2501-1
Figure 22. Test Circuit for Performance Curves with Integrator Off
Rev. A | Page 12 of 56
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