Si8440/1/2
Q
U A D
-C
H A N N E L
D
I G I TA L
I
S O L A T O R
Features
High-speed operation:
DC – 150 Mbps
Low propagation delay:
<10 ns
Wide Operating Supply Voltage:
2.375–5.5 V
Low power: I1 + I2 <
12 mA/channel at 100 Mbps
Precise timing:
2 ns pulse width distortion
1 ns channel-channel matching
2 ns pulse width skew
2500 V
RMS
isolation
Transient Immunity: >25 kV/µs
Tri-state outputs with ENABLE
control
DC correct
No start-up initialization required
<10 µs Startup Time
High temperature operation:
125 °C at 100 Mbps
100 °C at 150 Mbps
Wide body SOIC-16 package
Pin Assignments
Wide Body SOIC
V
DD1
GND1
A1
A2
A3
A4
EN1
GND1
1
2
3
4
5
6
7
8
Top View
16
15
14
13
12
11
10
9
V
DD2
GND2
B1
B2
B3
B4
EN2
GND2
Applications
Isolated switch mode supplies
Isolated ADC, DAC
Motor control
Power factor correction systems
Safety Regulatory Approvals
UL recognition:2500 V
RMS
for 1
Minute per UL1577
CSA component acceptance
notice #5A
* All Pending
VDE certification conformity
DIN EN 60747-5-2 (VDE0884
Part 2):2003-01
DIN EN60950(VDE0805):
2001-12;EN60950:2000
V
IORM
= 560 V
PEAK
Description
Silicon Lab's family of digital isolators are CMOS devices that employ
an RF coupler to transmit digital information across an isolation
barrier. Very high speed operation at low power levels is achieved.
These parts are available in a 16-pin wide body SOIC package. Three
speed grade options (1, 10, 100 Mbps) are available and achieve
typical propagation delay of less than 10 ns.
Block Diagram
Si8440
Si8441
Si8442
A1
A2
A3
A4
NC
B1
B2
B3
B4
EN2
A1
A2
A3
A4
EN1
B1
B2
B3
B4
EN2
A1
A2
A3
A4
EN1
B1
B2
B3
B4
EN2
Rev. 0.3 4/06
Copyright © 2006 by Silicon Laboratories
Si8440/1/2
SILABS [ SILICON LABORATORIES ]
