SI8640ED-AS2

Digital Isolators Overview

The SI8640ED-AS2 is a Skyworks Solutions digital isolator featuring four unidirectional channels with capacitive coupling. It provides an insulation voltage of 5000 Vrms and supports data rates up to 150 Mb/s. The device operates within a supply voltage range of 2.5 V to 5.5 V, consuming a maximum operating current of 6.1 mA. Propagation delay is specified at 8 ns. It functions reliably across a temperature range from -40°C to +125°C and is housed in a SOIC-16 package.

Digital Isolators Feature Summary

• Provides high-voltage isolation via capacitive coupling technology for signal integrity
• Supports high-speed data transmission with low propagation delay characteristics
• Designed for automotive applications with extended industrial temperature operation

Digital Isolators Applications

• Automotive electronic control units requiring galvanic isolation
• Industrial communication interfaces such as CAN and LIN bus systems
• Power management circuits needing feedback signal isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'AS2' against the manufacturer's official datasheet to confirm pinout compatibility and packaging specifications. Ensure that the required insulation voltage rating of 5000 Vrms aligns with the safety standards of the target application. Cross-reference the SOIC-16 footprint dimensions with PCB design libraries before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when four isolated channels are required for unidirectional signal transmission. Consider the 150 Mbps data rate limit for bandwidth requirements. Evaluate the 6.1 mA power consumption against system energy constraints. Confirm that the SOIC-16 package fits the available board space and thermal management strategy.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. It utilizes proprietary silicon dioxide (SiO2) isolation technology. The series is designed to replace traditional optocouplers in modern electronic designs, offering improved performance metrics and reliability for demanding interface applications.

Digital Isolators Replacement Considerations

Publicly documented equivalent parts include the SI8645BT-ASR. Verify functional compatibility and pin alignment before substitution.