SI8642EB-B-IUR

Digital Isolators Overview

The SI8642EB-B-IUR is a general-purpose digital isolator from Skyworks Solutions, utilizing capacitive coupling technology. It features four channels with two forward and two reverse directions. The device supports data rates up to 150 Mb/s and offers an insulation voltage of 2500 Vrms. It operates within a supply voltage range of 2.375 V to 5.5 V. Key electrical parameters include a propagation delay of 8 ns and a common-mode transient immunity of 50 kV/µs. The component is housed in a 16-SSOP package and functions reliably across a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Capacitive coupling isolation architecture for high-speed signal transmission
• Integrated shutdown functionality for power management
• High common-mode transient immunity ensuring signal integrity

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing reliable signal separation
• Power metering applications with high-voltage interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'IUR' corresponds to the reel packaging configuration when ordering. Confirm that the 2500 Vrms insulation rating meets the safety requirements of your target application. Ensure compatibility with the 16-SSOP footprint during PCB layout. Check for RoHS compliance status if required by your manufacturing standards. Validate the operating temperature range against environmental conditions.

Digital Isolators Selection Notes

Select this component when a four-channel isolator with bidirectional capability is needed. The 150 Mb/s data rate suits most general-purpose digital communication needs. Consider the 2500 Vrms isolation level for standard industrial protection. The low propagation delay supports timing-sensitive designs. Evaluate the QSOP/SSOP package size against available board space constraints.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. The series utilizes proprietary CMOS process technology for robust performance. These devices are designed to replace traditional optocouplers in many applications. The family offers various channel configurations and isolation ratings.

Digital Isolators Replacement Considerations

Check for direct substitutes within the Si864x family such as SI8642BA or SI8642BC variants. Verify pinout compatibility before swapping packages. Ensure equivalent isolation voltage and data rate specifications are maintained.