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ADE7978 Datasheet(PDF) 31 Page - Analog Devices

Part # ADE7978
Description  Isolated Energy Metering Chipset for Polyphase Shunt Meters
PDF  125 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADE7978 Datasheet(HTML) 31 Page - Analog Devices

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Data Sheet
ADE7978/ADE7933/ADE7932/ADE7923
Rev. D | Page 31 of 125
TEST CIRCUIT
11
10
12
19
PHASE A
ADE7933
PHASE B
ADE7933
PHASE C
ADE7933
PHASE N
ADE7923
XTAL1
XTAL2
VDD
19
XTAL1
XTAL2
VDD
XTAL1
XTAL2
DATA
SYNC
EMI_CTRL
14
13
17
16
15
18
12
14
13
17
16
15
18
14
13
19
17
16
15
18
12
GND
GND
11
20
GND
GND
11
20
GND
11
20
TS4148
TS4148
TS4148
TS4148
TS4148
150Ω
FERRITE
150Ω
FERRITE
150Ω
FERRITE
150Ω
FERRITE
IP
IM
33nF
33nF
33nF
100nF
4.7µF
4.7µF
V1P
VM
V2P
7
6
4
5
3
GNDISO
VDDISO
2
1
GNDISO
LDO
10
8
9 REF
GND
VDD
SAME AS IN
PHASE A
ADE7933
SAME AS IN
PHASE A
ADE7933
SAME AS IN
PHASE A
ADE7933
SAME AS IN
PHASE A
ADE7933
SAME AS IN
PHASE A
ADE7933
SAME AS IN
PHASE A
ADE7933
VDDISO
GNDISO
V2P
V1P
VM
IM
IP
LDO
REF
GNDISO
1
2
3
4
5
6
7
8
9
10
VDDISO
GNDISO
V2P
V1P
VM
IM
IP
LDO
REF
GNDISO
1
2
3
4
5
6
7
8
9
10
V1PIN_A
V2PIN_A
RESET_EN
V2/TEMP
SYNC
EMI_CTRL
DATA
RESET_EN
V2/TEMP
SYNC
EMI_CTRL
DATA
RESET_EN
V2/TEMP
XTAL1
XTAL2
PULL_LOW
18
14
13
17
16
15
19
12
GND
GND
20
11
VDD
GND
V2P
V1P
VM
IM
IP
LDO
REF
GND
1
2
3
4
5
6
7
8
9
10
SYNC
VDD
DATA
RESET_EN
V2/TEMP
ADE7978
28
DATA_A
27
VT_A
5
SYNC
3
RESET_EN
CLKOUT
DATA_B
4
25
24
2
VT_B
1
DATA_C
7
VT_C
6
VT_N
8
DATA_N
9
IRQ0
IRQ1
RESET
CF1
CF2
CF3/HSCLK
SCLK/SCL
MISO/HSD
MOSI/SDA
GND
VDD
LDO
DGND
XTALIN
XTALOUT
ZX/DREADY
21
20
22
23
20pF
20pF
16.384MHz
10kΩ
10kΩ
10kΩ
80.6Ω
10kΩ
SAME AS
CF1
TO MCU
TO MCU
12
13
14
SS/HSA
15
TO MCU
16
TO MCU
17
TO MCU
18
TO MCU
19
TO MCU
26
TO MCU
3.3V
3.3V
3.3V
3.3V
1µF
4.7µF
10nΩ
10µF
100nF
330kΩ 330kΩ 330kΩ
1kΩ
1kΩ
1kΩ
33nF
1kΩ
10µF
100nF
3.3V
3.3V
IPIN_A
GND_A
IMIN_A
100nF
330kΩ 330kΩ 330kΩ
33nF
1kΩ
100nF
10µF
100nF
3.3V
100nF
Figure 42. Test Circuit



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