SI845X Datasheet, PDF (28/36 Pages) Silicon Laboratories – LOW POWER FIVE-CHANNEL DIGITAL ISOLATOR

Si8450/51/52/55
5. Pin Descriptions (Si8455)
VDD1
VDD2
Name
V_DD1
GND1
A1
A2
A3
A4
A5
GND1
GND2
B5
B4
B3
B2
B1
GND1
GND2
I
A1
RF
XMITR
s
RF
RCVR
B1
o
A2
RF
XMITR
l
RF
RCVR
B2
a
A3
RF
XMITR
t
RF
RCVR
B3
A4
A5
d _GND1
i
RF
XMITR
o
RF
RCVR
n
RF
RF
XMITR
RCVR
Si8455
B4
B5
GND2
de _{SOIC-16 Pin#}
n _{s 1}
e _{n 2}
m _ig 3
4
m ^s ₅
o ^e ₆
c ^D ₇
e ₈
R ^w ₉
t ^e ₁₀
o ^N 11
N ^{r 12}
fo ¹³
Type
Supply
Ground
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Ground
Ground
Digital Output
Digital Output
Digital Output
Digital Output
Description*
Side 1 power supply.
Side 1 ground.
Side 1 digital input.
Side 1 digital input.
Side 1 digital input.
Side 1 digital input.
Side 1 digital input.
Side 1 ground.
Side 2 ground.
Side 2 digital output.
Side 2 digital output.
Side 2 digital output.
Side 2 digital output.
14
Digital Output Side 2 digital output.
GND2
15
Ground
Side 2 ground.
V_DD2
16
Supply
Side 2 power supply.
*Note: 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.
28
Rev. 1.5