SI8640BD-B-ISR

Digital Isolators Overview

The SI8640BD-B-ISR is a quad-channel digital isolator from Skyworks Solutions, utilizing capacitive coupling technology. It offers an insulation voltage of 5000 Vrms and supports data rates up to 150 Mbps. The device features a propagation delay of 8 ns and operates within a supply voltage range of 2.375 V to 5.5 V. It is housed in a 16-pin SOIC-Wide package and functions reliably across temperatures from -40°C to +125°C.

Digital Isolators Feature Summary

• Provides high-speed signal transmission with 150 Mbps data rate capability
• Ensures electrical isolation via robust capacitive coupling architecture
• Supports wide operating voltage ranges for flexible system integration

Digital Isolators Applications

• Industrial automation control systems
• Medical equipment signal isolation
• Power electronics gate drive circuits

Digital Isolators Procurement Notes

Verify the specific suffix 'B' indicates the correct insulation rating and channel configuration for your design requirements. Confirm that the 'ISR' suffix matches the required tape-and-reel packaging format for automated assembly processes. Ensure compatibility with the specified 16-SOIC wide footprint dimensions during PCB layout validation.

Digital Isolators Selection Notes

Select this component when four independent unidirectional channels are required within a single package. Consider its 5 kVrms isolation rating for applications demanding significant potential difference between circuit domains. Evaluate the 150 Mbps speed against system timing constraints to ensure adequate signal integrity margins.

Digital Isolators Part Context

This part belongs to the Si864x family of digital isolators, designed for general-purpose isolation tasks. It complements other variants in the series by offering a balanced combination of speed, isolation strength, and channel count. The family utilizes advanced CMOS processes to achieve low power consumption while maintaining high reliability standards.

Digital Isolators Replacement Considerations

Direct substitutes include SI8640ET-ISR and SI8640EC-B-IS1, which share similar channel counts and speeds but differ in insulation voltage ratings.