SI8651BC-B-IS1R

Digital Isolators Overview

The SI8651BC-B-IS1R is a five-channel digital isolator from Skyworks Solutions, housed in a 16-lead SOIC-Narrow package. It provides 3750 Vrms isolation voltage with capacitive coupling technology. The device supports data rates up to 150 Mb/s and features four forward channels and one reverse channel. Key electrical parameters include a maximum propagation delay of 8 ns, rise/fall times of 4 ns, and pulse width distortion of 4.5 ns. It operates on supply voltages between 2.375 V and 5.5 V, with a power dissipation of 415 mW. Common mode transient immunity is rated at 35 kV/µs.

Digital Isolators Feature Summary

• Provides galvanic isolation via high-reliability capacitive coupling technology.
• Features asymmetric channel configuration with four forward and one reverse path.
• Supports high-speed data transmission up to 150 Mbps.
• Includes shutdown functionality for power management.

Digital Isolators Applications

• Industrial automation systems requiring robust signal isolation
• Medical equipment needing certified insulation barriers
• Power electronics control circuits
• General-purpose isolated communication interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'IS1R' confirms the reel packaging format and RoHS compliance status. Ensure the order matches the exact part number to guarantee the 3750 Vrms rating and 150 Mbps speed. Confirm AEC-Q100 qualification requirements if automotive application is intended. Cross-reference datasheet revision dates for any parameter updates.

Digital Isolators Selection Notes

Select this component when high isolation voltage (3750 Vrms) and moderate-to-high speed (150 Mbps) are required in a compact 16-pin form factor. The asymmetric 4:1 channel split suits applications needing multiple outputs from a single input or mixed-direction signaling. Compare against SI8651AB for lower speed needs or SI8655BA for different isolation levels.

Digital Isolators Part Context

This part belongs to the Si865x family of digital isolators, which utilizes Skyworks' proprietary capacitive isolation technology. The family offers various channel counts and isolation ratings. The SI8651BC variant specifically targets applications demanding higher isolation strength than standard 2.5 kV devices while maintaining high data throughput capabilities.

Digital Isolators Replacement Considerations

SI8651BC-B-IS1 is the tube-packaged equivalent of this reel-part. SI8651AB-B-IS1R offers similar functionality but with reduced 2.5 kV isolation and 1 Mbps speed. SI8655BA-B-IS1R provides 1000 Vrms isolation with five forward channels.