SI8635BC-B-IS1R

Digital Isolators Overview

The SI8635BC-B-IS1R is a Skyworks digital isolator featuring three unidirectional channels with capacitive coupling technology. It supports data rates up to 150 Mb/s and provides an insulation voltage of 3750 Vrms. The device operates within a supply voltage range of 2.375 V to 5.5 V, exhibiting a propagation delay of 8 ns and rise/fall times of 4 ns. It is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Capacitive coupling isolation technology
• AEC-Q100 automotive qualification
• Unidirectional signal transmission

Digital Isolators Applications

• Automotive electronic control units
• Industrial automation systems
• Power supply monitoring circuits

Digital Isolators Procurement Notes

Verify the specific suffix IS1R against official Skyworks documentation to confirm package type and tape/reel specifications. Ensure compliance with RoHS directives and confirm AEC-Q100 qualification status for target automotive or industrial environments prior to procurement.

Digital Isolators Selection Notes

Select this component when high-speed unidirectional isolation is required in space-constrained designs. The SOIC-Narrow-16 package offers a compact footprint suitable for dense PCB layouts. Consider the 3-channel configuration and 150 Mb/s speed as primary selection criteria over other channel counts or lower-speed variants.

Digital Isolators Part Context

This part belongs to the Si863x series of general-purpose digital isolators from Skyworks Solutions. It utilizes advanced CMOS technology to provide robust signal isolation without the limitations of traditional optocouplers, such as aging and limited common-mode transient immunity.

Digital Isolators Replacement Considerations

SI8635AB-B-IS1R (Lower isolation voltage)

Digital Isolators FAQ

What is the maximum common-mode transient immunity?

The datasheet specifies a common-mode transient immunity of 35 kV/µs.

Does the device require start-up initialization?

No, the device does not require start-up initialization upon power application.