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SI8445

Description
LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR
File Size512KB,39 Pages
ManufacturerETC2
Download Datasheet Compare View All

SI8445 Overview

LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR

Si8440/41/42/45
L
O W
- P
O W E R
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
Up to 2500 V
RMS
isolation
1.4 mA per channel at 1 Mbps

–40 to 125 °C at 150 Mbps

< 4 mA per channel at 100 Mbps
RoHS-compliant packages
High electromagnetic immunity

SOIC-16 wide body

SOIC-16 narrow body

<
Applications
Industrial automation systems
Hybrid electric vehicles
Isolated switch mode supplies
Safety Regulatory Approvals
UL 1577 recognized

Up
to 2500 V
RMS
for 1 minute
CSA component notice 5A
approval

IEC
60950-1, 61010-1
(reinforced
insulation)
Description
Silicon Lab's family of ultra-low-power digital isolators are CMOS
devices offering substantial data rate, propagation delay, power, size,
reliability, and external BOM advantages when compared to legacy
isolation technologies. The operating parameters of these products
remain stable across wide temperature ranges throughout their
service life. For ease of design, only VDD bypass capacitors are
required.
Data rates up to 150 Mbps are supported, and all devices achieve
worst-case propagation delays of less than 10 ns. All products are
safety certified by UL, CSA, and VDE and support withstand voltages
of up to 2.5 kVrms. These devices are available in 16-pin wide- and
narrow-body SOIC packages.
Rev. 1.6 9/13
Copyright © 2013 by Silicon Laboratories
Si8440/41/42/45
N
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fo R
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60-year life at rated working
No start-up initialization required
voltage
Wide Operating Supply Voltage:
Precise timing (typical)
2.70–5.5 V

<10 ns worst case
Wide Operating Supply Voltage:

1.5 ns pulse width distortion
2.70–5.5V

0.5 ns channel-channel skew

2 ns propagation delay skew
Ultra low power (typical)

6 ns minimum pulse width
5 V Operation:
Transient Immunity 25 kV/µs

< 1.6 mA per channel at 1 Mbps

< 6 mA per channel at 100 Mbps
AEC-Q100 qualified
2.70 V Operation:
Wide temperature range
to 150 Mbps
Isolated ADC, DAC
Motor control
Power inverters
Communications systems
Ordering Information:
See page 27.
VDE certification conformity

IEC
60747-5-2
(VDE0884 Part 2)

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Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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