SI4764-A42-GMR

RF Receivers Overview

The SI4764-A42-GMR is an automotive-grade RF receiver from the Si476x series, manufactured by Skyworks Solutions Inc. It supports AM, FM, and RDS modulation protocols within frequency ranges of 520kHz to 1.71MHz and 64MHz to 108MHz. The device operates on supply voltages of 2.7V to 3.6V or 4.5V to 5.5V and features I2C and I2S data interfaces. Packaged in a 40-QFN (6x6) surface-mount format, it functions within a temperature range of -40°C to 85°C.

RF Receivers Feature Summary

• Integrated RSSI capability for signal strength monitoring
• Automotive qualification compliant with AEC-Q100 standards
• Supports RDS protocol for radio data services

RF Receivers Applications

• Automotive infotainment systems
• Car radio receivers
• AM/FM broadcast reception modules

RF Receivers Procurement Notes

Verify the specific suffix GMR indicates tape-and-reel packaging when sourcing components. Confirm that the part meets current RoHS compliance requirements as indicated by manufacturer documentation. Ensure compatibility with the intended supply voltage range of either 2.7V-3.6V or 4.5V-5.5V before integration into the final design.

RF Receivers Selection Notes

Select this component for applications requiring certified automotive reliability and compact form factors. The 40-QFN package suits space-constrained designs. Verify interface compatibility with host controllers supporting I2C and I2S protocols. Consider thermal management capabilities within the specified operating temperature range for robust performance.

RF Receivers Part Context

This model belongs to the Si476x family of high-performance RF receivers designed primarily for automotive markets. It integrates AM, FM, and RDS tuning capabilities into a single chip. The series is known for low power consumption and small footprint, making it suitable for modern vehicle audio architectures requiring digital connectivity.

RF Receivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Skyworks documentation for potential cross-reference options or updated series replacements if this specific variant becomes obsolete.