Skyworks Solutions

SI8422AB-D-IS

Signal Isolators

Manufacturer
MPN
SI8422AB-D-IS
Package / Case
SOIC-8
Key Attributes
Low-Power, Single and Dual-Channel Digital Isolators

Technical Specifications

TypeDescription
Number of Forward Channels1
Number of Reverse Channels1
Data Rate(Max)1Mbps
Default OutputHigh Level
FeaturesFail-safe output;Power-on reset
Cmti Kvus45
TypeDescription
Tpd Ns35 ns
Channels2
Supply Voltage2.7V~5.5V
Operating Temperature-40°C~+125°C
Isolation Vrms V2500 V
Package / CaseSOIC-8

Product Introduction

Skyworks' 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 and throughout device service life for ease of design and highly uniform performance. All device versions have Schmitt trigger inputs for high noise immunity and only require VDD bypass capacitors.

Data rates up to 150 Mbps are supported, and all devices achieve worst-case propagation delays of less than 10 ns. Ordering options include a choice of isolation ratings (up to 5 kV) and a selectable fail-safe operating mode to control the default output state during power loss. All products are safety certified by UL, CSA, and VDE, and products in wide-body packages support reinforced insulation withstanding up to 5 kVRMS.

Features

  • VDE certification conformity
  • IEC 60747-5-5 (VDE0884 Part 5)
  • EN60950-1 (reinforced insulation)
  • High-speed operation: DC to 150 Mbps
  • No start-up initialization required
  • Wide Operating Supply Voltage: 2.6 – 5.5 V
  • Up to 5000 VRMS isolation
  • High electromagnetic immunity
  • Ultra low power (typical):
  • 5 V Operation: <2.6 mA/channel at 1 Mbps; <6.8 mA/channel at 100 Mbps
  • 2.70 V Operation: <2.3 mA/channel at 1 Mbps; <4.6 mA/channel at 100 Mbps
  • Schmitt trigger inputs
  • Selectable fail-safe mode: Default high or low output
  • Precise timing (typical):
  • 11 ns propagation delay max
  • 1.5 ns pulse width distortion
  • 0.5 ns channel-channel skew
  • 2 ns propagation delay skew
  • 5 ns minimum pulse width
  • Transient immunity 45 kV/μs
  • AEC-Q100 qualification
  • Wide temperature range: -40 to 125 °C at 150 Mbps
  • RoHS compliant packages: SOIC-16 wide body; SOIC-8 narrow body

Applications

  • Industrial automation systems
  • Medical electronics
  • Hybrid electric vehicles
  • Isolated switch mode supplies
  • Isolated ADC, DAC
  • Motor control
  • Power inverters
  • Communication systems

Datasheet

📄 Open Download

Alternative Parts

Common SI8422AB-D-IS alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542399000
USHTS8542390001
TARIC8542399000
TypeDetails
CAHTS8542390000
BRHTS85423999
INHTS85423900
MXHTS8542.39.99

Sourcing Information

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