SI8711CC-B-IP

Digital Isolators Overview

The SI8711CC-B-IP is a single-channel digital isolator from Skyworks Solutions, designed as an optocoupler replacement. It features capacitive coupling technology with a 3.75 kVrms isolation voltage and supports data rates up to 1 Mbps. The device operates within a supply voltage range of 3 V to 30 V, consuming a typical working current of 15 mA. Key electrical parameters include a propagation delay of 60 ns, a rise time of 15 ns, and a fall time of 5 ns. It offers a pulse width of 1 µs with a distortion of 20 ns. The component is housed in an 8-pin DIP package and functions reliably across an operating temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Provides high-speed digital isolation using capacitive coupling technology for reliable signal transmission.
• Designed as a direct replacement for traditional optocouplers, offering improved performance and longevity.
• Features open collector output configuration suitable for various logic interface requirements.
• Includes LED emulator input capability for specific application integration.

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Power supply control circuits for feedback isolation
• Measurement and testing equipment interfaces
• Automotive electronics applications

Digital Isolators Procurement Notes

Verify the exact suffix 'B-IP' to confirm the DIP-8 package type, as other variants like 'B-IS' or 'AS' exist with different packages. Confirm that the open collector output matches your circuit design requirements. Check datasheet specifications for voltage levels and timing parameters against your system constraints. Ensure compatibility with your PCB footprint for 8-pin DIP components. Validate thermal ratings for your specific operating environment.

Digital Isolators Selection Notes

Select this component when a robust, long-life alternative to optocouplers is needed for single-channel isolation. Consider the 3.75 kVrms isolation rating for safety-critical applications. Evaluate the 1 Mbps data rate against your signal frequency requirements. The wide operating temperature range makes it suitable for harsh environments. Verify that the open collector output architecture fits your downstream logic level shifting needs.

Digital Isolators Part Context

The SI8711 series represents Skyworks' silicon-based digital isolation technology, utilizing capacitive coupling to replace legacy optoelectronic devices. This family offers superior reliability, lower power consumption, and consistent performance over time compared to traditional LEDs and phototransistors. The SI8711CC-B-IP specifically targets applications needing simple, unidirectional isolation with open collector outputs in a standard DIP package.

Digital Isolators Replacement Considerations

This part is listed as obsolete or scheduled for obsolescence by the manufacturer. Designers should evaluate alternative packages within the same series, such as the SOIC-8 variant (SI8711CC-B-IS), if surface mount is acceptable. Verify pinout compatibility before substituting with other digital isolators. Consult Skyworks for current recommended replacements or updated product lines.