Isolation Solutions

Superior isolation that enhances system performance, flexibility, and reliability, while reducing cost and size.

We’re experts in high voltage and superior isolation. With more than 300 million isolation channels in field service, our isolation portfolio is used by a wide range of customers and applications, including industrial automation, transportation systems, home entertainment electronics, and medical systems.  Our products support isolation voltages up to 5 kV and include digital isolators, isolated gate drivers, isolated analog and ADC, industrial I/O, and isolated FET families.

Find out how our isolation products help keep people healthy and safe during the COVID-19 pandemic.


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Digital Isolators

Isolated Gate Drivers

Isolated Analog and ADC

Industrial I/O

Isolated FET Drivers

Common Applications Communication buses Power supplies, solar and motor inverters, on-board chargers Load monitoring Automation, programmable logic controllers Relay Replacement
Number of channels 1 to 6 1, 2 1,3 4, 8 1
Configuration Multi-channel Single, dual independent or high-side/low-side Single or multi-channel Multi-channel Single channel
Isolation ratings 1.0, 2.5, 3.75 or 5.0 kVrms 1.0, 2.5, 3.75 or 5.0 kVrms 2.5 or 5.0 kVrms 1.5 or 2.5 kVrms 2.5 kVrms
Input type Digital (CMOS) or LED emulator Digital (CMOS) or LED emulator Analog single ended or differential Digital (CMOS) or LED emulator Digital (CMOS) or LED emulator
Output type Digital push-pull, Open drain High current push-pull (Up to 4.0 A peak switching) Analog or Digital (SPI, UART, I2C, Delta-Sigma bit stream) Digital push-pull, High current open drain (0.7 A continuous) Digital push-pull
SPI Control Interface No No Yes Yes No
Package type SOIC-8/16 NB, SOIC-16 WB, QSOP-16 SOIC-8/16 NB, SSO-8, SOIC-14/16 WB, 5x5 LGA-14, 5x5 QFN-14 SOIC-8 NB, SOIC-16 WB, PDIP-8 GW, SSO-8 QSOP-20, DFN-32 SOIC-8 NB
Options with single-side biasing Yes Yes No Yes Yes
Input supply range 2.5 V - 5.5 V 2.5 V - 5.5 V; 4.5 V -20 V 3.0 V - 5.5 V 3.0 V - 5.5 V 3.0 V - 5.5 V
Output supply range 2.5 V - 5.5 V 6.5 V - 30 V 3.0 V - 5.5 V 3.0 V - 5.5 V (Si838x) 9.0 V - 32 V (Si834x) -
Featured Family Si86xx, Si87xx, Si88xx Si823x, Si827x, Si828x, Si823Hx Si890x, Si892x, Si8540 Si838x, Si834x Si875x
  • UL recognized: UL1577
  • CSA approval: IEC/EN 60950-1/62368-1 (reinforced insulation)
  • VDE certification conformity: VDE0884-10 (basic/reinforced insulation), 60950-1/62368-1 (reinforced insulation)
  • CQC certification approval: GB4943.1-2011
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