SI88322ED-ASR

Digital Isolators Overview

The SI88322ED-ASR is a unidirectional digital isolator from the Si88322 series, manufactured by Skyworks Solutions. It features two reverse channels and zero forward channels within a 20-SOIC package. The device operates on a supply voltage ranging from 3 V to 5.5 V and supports data rates up to 100 Mb/s. Key electrical specifications include an isolation voltage of 5000 Vrms, a propagation delay of 18 ns, and rise/fall times of 2.5 ns. It functions within a temperature range of -40°C to +125°C without a shutdown pin.

Digital Isolators Feature Summary

• Provides galvanic isolation via capacitive coupling technology for signal transmission between circuits.
• Features unidirectional data flow with dedicated reverse channel configuration for specific interface needs.
• Maintains high common-mode transient immunity to ensure reliable operation in electrically noisy environments.

Digital Isolators Applications

• Industrial automation systems requiring robust signal isolation
• Medical equipment needing safe patient isolation barriers
• Power electronics interfaces for motor control applications

Digital Isolators Procurement Notes

Verify the exact suffix against official Skyworks documentation to confirm package type and tape/reel specifications. Ensure compatibility with moisture sensitivity levels during storage and handling. Confirm that the unidirectional channel configuration meets the specific directional requirements of the target circuit design before finalizing procurement.

Digital Isolators Selection Notes

Select this component when a unidirectional isolator with two reverse channels is required. It is suitable for designs needing 5000 Vrms isolation and operation up to 125°C. Consider the 20-SOIC footprint for PCB layout constraints. Verify if the lack of a shutdown feature aligns with system power management strategies.

Digital Isolators Part Context

This part belongs to the Si8832x family of digital isolators, which utilizes Skyworks' proprietary capacitive isolation technology. The family offers various channel configurations and packages to support diverse industrial and automotive interface standards while maintaining high reliability and performance metrics.

Digital Isolators Replacement Considerations

SI88322EC-ISR is listed as a similar alternative within the same manufacturer portfolio. Verify functional equivalence regarding channel directionality and package dimensions before substitution.

Digital Isolators FAQ

Does the SI88322ED-ASR include a shutdown function?

No, this specific part number does not include a shutdown pin or feature.

What is the maximum operating temperature for this device?

The device is rated for a maximum operating temperature of +125°C.