SI88244BD-IS

Digital Isolators Overview

The SI88244BD-IS is a Skyworks Solutions digital isolator featuring four unidirectional channels with an integrated DC-DC converter. It provides 5000 Vrms isolation voltage and supports data rates up to 100 Mbps. The device operates on a supply voltage range of 3 V to 5.5 V, with a maximum propagation delay of 23 ns and common mode transient immunity of 40 kV/µs. Packaged in a 20-SOIC format, it is designed for robust signal transmission across isolated boundaries.

Digital Isolators Feature Summary

• Integrates a high-efficiency DC-DC converter to provide isolated power generation within the device.
• Utilizes capacitive coupling technology to achieve high-speed digital signal isolation.
• Offers four independent unidirectional signal channels for multi-line communication.

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Power electronics control circuits
• Motor drive applications

Digital Isolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific part number matches the required package type and insulation ratings. Check for obsolescence status, as this model may be restricted from new designs. Ensure compliance with RoHS standards and verify operating temperature ranges against application requirements before procurement.

Digital Isolators Selection Notes

Select this component when a compact solution combining signal isolation and isolated power generation is required. Consider the 20-SOIC footprint for board space constraints. Evaluate the 100 Mbps data rate against system timing needs. Ensure the 5000 Vrms isolation rating meets safety standards for the target application environment.

Digital Isolators Part Context

This component belongs to the Si88244 series of ISOvolt digital isolators. It represents Skyworks' CMOS-based isolation technology, offering advantages over traditional optocouplers in size and power consumption. The series is engineered for industrial applications demanding high reliability and noise immunity.

Digital Isolators Replacement Considerations

SI88244BC-IS is listed as a similar alternative. Verify pinout compatibility and electrical parameter equivalence before substitution. Note that availability and specific manufacturing lot details should be confirmed for any replacement unit.