SI8630 Datasheet, PDF (24/36 Pages) Silicon Laboratories – Low-Power Triple-Channel Digital Isolators

5. Pin Descriptions
Si8630/31/35 Data Sheet
Pin Descriptions
VDD1
GND1
A1
A2
A3
NC
NC
GND1
I
RF
XMITR
s
o
RF
RCVR
RF
XMITR
l
a
RF
RCVR
RF
XMITR
t
RF
RCVR
i
o
n
Si8630/35
VDD2
GND2
B1
B2
B3
NC
EN2/NC
GND2
VDD1
GND1
A1
A2
A3
NC
EN1
GND1
I
RF
XMITR
s
o
RF
RCVR
RF
XMITR
l
a
RF
RCVR
RF
RCVR
t
RF
XMITR
i
o
n
Si8631
VDD2
GND2
B1
B2
B3
NC
EN2
GND2
Name
SOIC-16 Pin#
Type
Description
V_DD1
1
Supply
Side 1 power supply.
GND1
2¹
Ground
Side 1 ground.
A1
3
Digital Input
Side 1 digital input.
A2
4
Digital Input
Side 1 digital input.
A3
5
Digital I/O
Side 1 digital input or output.
NC
6
NA
No Connect.
EN1/NC²
7
Digital Input
Side 1 active high enable. NC on Si8630/35
GND1
8¹
Ground
Side 1 ground.
GND2
9¹
Ground
Side 2 ground.
EN2/NC²
10
Digital Input
Side 2 active high enable. NC on Si8635.
NC
11
NA
No Connect.
B3
12
Digital I/O
Side 2 digital input or output.
B2
13
Digital Output
Side 2 digital output.
B1
14
Digital Output
Side 2 digital output.
GND2
15¹
Ground
Side 2 ground.
V_DD2
16
Supply
Side 2 power supply.
Note:
1. For narrow-body devices, Pin 2 and Pin 8 GND must be externally connected to respective ground. Pin 9 and Pin 15 must also be
connected to external ground.
2. No Connect. These pins are not internally connected. They can be left floating, tied to VDD or tied to GND.
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