SI47951A2GE1GMR

RF Receivers Overview

The SI47951A2GE1GMR is a high-performance automotive AM/FM radio receiver and HD Radio tuner manufactured by Skyworks Solutions Inc. It supports multiple frequency bands including LW (144kHz–288kHz), MW (520kHz–1.71MHz), SW (2.3MHz–30MHz), and FM (64MHz–108MHz). The device operates on dual power supplies of 1.8V and 3.3V, features I2C and SPI interfaces, and is housed in a 56-VFQFN package.

RF Receivers Feature Summary

• Integrated HD Radio tuner functionality for digital broadcast reception
• Supports RBDS/RDS data decoding alongside standard AM and FM audio processing
• Automotive-grade reliability with AEC-Q100 qualification

RF Receivers Applications

• Automotive infotainment systems requiring HD Radio support
• Vehicle navigation units with integrated radio capabilities
• Aftermarket car stereo receivers

RF Receivers Procurement Notes

Verify the specific suffix 'GMR' against official Skyworks documentation to confirm tape-and-reel packaging requirements. Ensure compatibility with existing PCB footprints for the 56-QFN package. Confirm that the 1.8V and 3.3V power rails are correctly designed for this automotive-grade component before integration.

RF Receivers Selection Notes

Select this component when HD Radio tuning and RDS decoding are required within an automotive environment. It serves as a direct replacement for other SI4795x series devices where surface-mount packaging is preferred over tray options. Ensure the design supports the necessary I2C/SPI control lines and antenna input specifications.

RF Receivers Part Context

This part belongs to the SI47951-52 family of high-performance radio tuners designed specifically for automotive applications. It integrates the RF front-end, demodulation, and baseband processing into a single chip, reducing system complexity compared to discrete solutions.

RF Receivers Replacement Considerations

SI47951A2GE1AM is a listed alternative from the same manufacturer, differing primarily in packaging type.