SI47901A2GE2AMR

RF Receivers Overview

The SI47901A2GE2AMR is an RF receiver manufactured by Skyworks Solutions Inc. It supports AM, FM, SW-LW, and RBDS/RDS modulation protocols. The device operates within frequency ranges of 144kHz to 288kHz, 520kHz to 1.71MHz, 2.3MHz to 30MHz, and 64MHz to 108MHz. It utilizes I2C and SPI data interfaces for control. The component is housed in a 56-VFQFN package with exposed pads.

RF Receivers Feature Summary

• Supports multiple broadcast standards including AM, FM, Shortwave, Longwave, and Radio Data System.
• Integrates digital radio coprocessor capabilities for signal processing.
• Features flexible power supply options for automotive integration.

RF Receivers Applications

• Automotive infotainment systems
• Digital radio tuners
• Telematics units

RF Receivers Procurement Notes

Verify the specific suffix GE2AMR against official Skyworks documentation to confirm pinout and electrical characteristics. Confirm availability status as distribution channels may list obsolete or limited stock items. Ensure the supplier provides valid traceability documents for automotive-grade components.

RF Receivers Selection Notes

Select this component when multi-band reception including longwave and shortwave is required alongside standard FM/AM. Verify that the host system supports the necessary I2C/SPI interface speeds. Check thermal requirements for the QFN package in the target enclosure design.

RF Receivers Part Context

This part belongs to the Si479x series of high-performance automotive receivers from Skyworks Solutions. The series is designed for robust audio reception in vehicle environments. It integrates tuning and demodulation functions into a single chip solution.

RF Receivers Replacement Considerations

Public confirmed substitute: SI47951A2GE1GM. Verify compatibility with existing firmware and hardware layout before substitution.