SI8642ED-B-IS2R

Digital Isolators Overview

The SI8642ED-B-IS2R is a general-purpose digital isolator from the Si864x series, manufactured by Skyworks Solutions. It features four channels with two forward and two reverse paths, housed in a 16-SOIC wide package. The device supports data rates up to 150 Mb/s and offers an insulation voltage of 5000 Vrms. It operates within a supply voltage range of 2.375 V to 5.5 V, consuming typical power dissipation of 275 mW. Key electrical parameters include a propagation delay of 8 ns, rise/fall times of 4 ns, and a pulse width of 5 ns. It is qualified under AEC-Q100 standards for automotive applications.

Digital Isolators Feature Summary

• Capacitive coupling isolation technology provides high reliability and immunity to magnetic fields.
• AEC-Q100 qualification ensures suitability for demanding automotive electronic environments.
• Integrated EMI filtering enhances signal integrity in noisy industrial settings.

Digital Isolators Applications

• Automotive gate driver circuits
• Industrial communication interfaces
• Power conversion systems

Digital Isolators Procurement Notes

Verify the specific suffix IS2R confirms the tape-and-reel packaging format required for automated assembly processes. Confirm that the ED variant meets the necessary thermal and electrical specifications for the target application environment. Ensure compliance with RoHS directives and check for any specific handling requirements related to moisture sensitivity levels during storage and soldering.

Digital Isolators Selection Notes

Select this component when high-speed data transmission up to 150 Mb/s is required alongside robust galvanic isolation. The 5000 Vrms rating makes it suitable for high-voltage separation needs. Consider the 16-SOIC wide package for ease of PCB layout compared to narrower variants. Verify that the unidirectional channel configuration aligns with the system's signal flow requirements.

Digital Isolators Part Context

This part belongs to the Si864x family of digital isolators, which utilizes Skyworks' proprietary capacitive isolation technology. The family is designed to replace traditional optocouplers, offering superior performance in speed, power consumption, and size. The SI8642ED-B-IS2R specifically targets applications requiring four isolated channels with high common-mode transient immunity.

Digital Isolators Replacement Considerations

SI8642BD-B-IS2R is listed as a parametric equivalent in distributor databases. Verify pinout compatibility and electrical parameter alignment before substitution.