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SI8451

Description
LOW POWER FIVE-CHANNEL DIGITAL ISOLATOR
File Size440KB,36 Pages
ManufacturerETC2
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SI8451 Overview

LOW POWER FIVE-CHANNEL DIGITAL ISOLATOR

Si8450/51/52/55
L
O W
P
O W E R
F
I V E
- 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
1.6 mA per channel at 1 Mbps

< 6 mA per channel at 100 Mbps

<
Transient Immunity 25 kV/µs

< 1.4 mA per channel at 1 Mbps
Wide temperature range
2.70 V Operation:

<
4 mA per channel at 100 Mbps
High electromagnetic immunity
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 a 16-pin narrow-
body SOIC package.
Rev. 1.5 9/13
N
ot
fo R
r N ec
om
ew
m
D e
e s nd
ig e
ns d
ns propagation delay skew

6 ns minimum pulse width

2
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
Ultra-low-power (typical)

1.5 ns pulse width distortion
5 V Operation:

0.5 ns channel-channel skew
to 150 Mbps
Ordering Information:
See page 29.

–40
to 125 °C at 150 Mbps
narrow body
RoHS-compliant packages

SOIC-16
Isolated ADC, DAC
Motor control
Power inverters
Communications systems
VDE certification conformity

IEC
60747-5-2
(VDE0884 Part 2)
Copyright © 2013 by Silicon Laboratories
Si8450/51/52/55

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SI8451 SI8450 SI8452 SI8455
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