UG-400 Datasheet, PDF (11/20 Pages) Analog Devices – Plug and play system evaluation

Hardware User Guide
UG-400
3.3V
R108
10K
SPI2SCK
SPI2MOSI
#SPI2SEL1
JP38
R103
33R
R104
33R
R105
33R
SPI2MISO
3.3V
R109
10K
#SPI2SEL2
#SPI2SEL3
#SPI2SS
JP39
R102
33R
R101
33R
3.3V
U25
1
7
VDD1
VDD1
6
RCSEL
4
5
RCIN
RCOUT
GND
2
8
GND1
GND1
ADuM5000
3.3V
SPI_S_ISO_3.3V
10
VISO
VISO
16
13
VSEL
3
NC1 ₁₁
NC2
NC3
12
14
NC4
GNDISO
GNDISO
9
15
SPI_S_ISO_GND
SPI_S_ISO_3.3V
C192 C191 C190
10uF 0.1uF 0.1uF
C195 C194 C193
10uF 0.1uF 0.1uF
JP24
++
JP25
++
JP26
++
JP27
++
3.3V
JP34
JP35
3.3V
U42
1 _VDD1
3
4
5
VIA
VIB
VIC
6 _VOD
7
VE1
GND
2
8
GND1
GND1
ADuM3401
SPI_S_ISO_3.3V
VDD2 ¹⁶
14
VOA
VOB
VOC
13
12
VID ¹¹
10
VE2
9
GND2
GND2
15
SPI_S_ISO_GND
3.3V
U43
1 _VDD1
3
4 ^VIA
VIB
5
6
VOC
VOD
7
VE1
GND
2
8
GND1
GND1
ADuM3402
SPI_S_ISO_3.3V
VDD2 ¹⁶
14
VOA ₁₃
VOB
VIC
12
11
VID
10
VE2
GND2
GND2
9
15
SPI_S_ISO_GND
3.3V 3.3V
SPI_S_ISO_3.3V SPI_S_ISO_3.3V
GND
JP22
++
JP23
++
JP28
++
JP29
++
JP30
++
JP31
++
JP32
++
JP33
++
C196 C234
0.1uF 0.1uF
C235
0.1uF
C197
0.1uF
SPI_S_ISO_GND
J25
1
2
3
4
5
6
7
SCREW_7
SPI_S_ISO_GND
GND
GND GND
SPI_S_ISO_GND SPI_S_ISO_GND
Figure 9. ADuM3401, ADuM3402, ADuM5000 Isolated SPI2 Implementation
Rev. 0 | Page 11 of 20