SI8638BT-ASR

Digital Isolators Overview

The SI8638BT-ASR is an automotive-grade, ultra-low-power digital isolator from the Si863x family. It features three unidirectional channels with capacitive coupling technology. The device supports data rates up to 150 Mb/s and offers a high common-mode transient immunity (CMTI). It operates within a supply voltage range of 2.5 V to 5.5 V. Key electrical parameters include a propagation delay of 8 ns, rise/fall times of 4 ns, and a pulse width distortion of 0.2 ns. The unit is qualified under AEC-Q100 standards for automotive reliability.

Digital Isolators Feature Summary

• Automotive-grade qualification ensuring reliability in vehicle applications
• Ultra-low power consumption design for energy-efficient systems
• High-speed signal transmission with 150 Mb/s data rate capability
• Robust galvanic isolation via capacitive coupling technology

Digital Isolators Applications

• Automotive electronic control units requiring signal isolation
• Industrial automation systems needing reliable data transfer
• Power electronics interfaces demanding high CMTI performance

Digital Isolators Procurement Notes

Verify that the specific suffix 'ASR' corresponds to the reel packaging configuration as indicated in distributor listings. Confirm AEC-Q100 automotive qualification status through official Skyworks documentation prior to integration into safety-critical designs. Ensure compatibility with required operating temperature ranges specified in the datasheet.

Digital Isolators Selection Notes

Select this component when three unidirectional isolated channels are required for automotive or industrial applications. Consider the 150 Mb/s data rate and low propagation delay for high-speed signaling needs. Evaluate the ultra-low power characteristics against system energy constraints. Verify package compatibility with SOIC-16 footprint requirements.

Digital Isolators Part Context

This part belongs to the Si863x series of digital isolators manufactured by Skyworks Solutions. The series focuses on providing robust isolation solutions with minimal power consumption. The SI8638 variant specifically provides triple-channel isolation, distinguishing it from dual or quad-channel counterparts in the same family.

Digital Isolators Replacement Considerations

Check for direct cross-references within the Si863x family, such as SI8638BT-AS, noting differences in packaging format. Verify functional equivalence regarding channel count and polarity before substitution.