Datasheet

ADE7753
Rev. C | Page 15 of 60
V
DD
10μF
10μF
10μF
100nF 100nF
AVDD DVDD
RESET
DIN
DOUT
SCLK
CS
CLKOUT
CLKIN
IRQ
SAG
ZX
CF
AGND DGND
V1P
V1N
V2N
V2P
REF
IN/OUT
U1
ADE7753
TOSPI BUS
(USED ONLY FOR
CALIBRATION)
22pF
22pF
Y1
3.58MHz
NOT CONNECTED
U3
PS2501-1
I
di/dt CURRENT
SENSOR
100Ω 1kΩ
33nF 33nF
100Ω 1kΩ
33nF
33nF
1kΩ
33nF
600kΩ
110V
1kΩ
33nF
100nF
CHANNEL 1 GAIN = 8
CHANNEL 2 GAIN = 1
TO
FREQUENCY
COUNTER
02875-A-012
Figure 29. Test Circuit for Performance Curves with Integrator On
CT TURN RATIO = 1800:1
CHANNEL 2 GAIN = 1
RB
10Ω
1.21Ω
GAIN 1 (CH1)
1
8
NOT CONNECTED
V
DD
10μF1μF
100nF 100nF
DIN
DOUT
SCLK
CS
CLKOUT
CLKIN
IRQ
SAG
ZX
CF
AGND DGND
V1P
V1N
V2N
V2P
REF
IN/OUT
U1
ADE7753
TOSPI BUS
(USED ONLY FOR
CALIBRATION)
22pF
22pF
Y1
3.58MHz
U3
PS2501-1
I
CURRENT
TRANSFORMER
1kΩ
33nF
1kΩ
33nF
1kΩ
33nF
600kΩ
0
RB
110V
1kΩ
33nF
10μF
100nF
TO
FREQUENCY
COUNTER
02875-0-030
AVDD DVDD
RESET
Figure 30. Test Circuit for Performance Curves with Integrator Off