SI8941AD-AS4

Power Management - Specialized Overview

The SI8941AD-AS4 is an automotive-grade isolated delta-sigma modulator (DSM) from Skyworks Solutions. It features a specified linear input range of 62.5 mV and utilizes an internal 20 MHz DSM clock for signal conversion. The device provides high-voltage isolation capabilities suitable for demanding industrial environments. It operates within a supply voltage range of 3 V to 5.5 V and supports a wide operating temperature range from -40°C to +125°C. The component is housed in a Wide Body SOIC-8 package, facilitating surface-mount installation.

Power Management - Specialized Feature Summary

• Provides galvanic isolation for accurate current shunt measurement applications
• Integrates a high-frequency internal delta-sigma modulation clock
• Supports differential input signals within a defined linear voltage range

Power Management - Specialized Applications

• Automotive battery management systems
• Industrial motor drive current sensing
• High-voltage power supply monitoring

Power Management - Specialized Procurement Notes

Verify the specific suffix AS4 against official Skyworks documentation to confirm package type and tape-and-reel specifications. Ensure the procurement channel sources components directly from authorized distributors to guarantee authenticity. Check RoHS compliance status and humidity sensitivity classification prior to storage and handling procedures.

Power Management - Specialized Selection Notes

Select this component when high-voltage isolation is required for precise current monitoring in automotive or industrial settings. The wide body package aids in thermal dissipation and creepage distance requirements. Consider the 62.5 mV input range compatibility with standard shunt resistors. Evaluate the 20 MHz clock speed against system bandwidth needs.

Power Management - Specialized Part Context

This part belongs to the Si8941 series of isolated amplifiers and monitors. It shares architectural similarities with other devices in the family but differs in specific isolation ratings and input configurations. The AD designation typically indicates automotive qualification and specific performance characteristics distinct from non-automotive variants.

Power Management - Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Skyworks cross-reference documents for verified alternatives.