SI47921A2GE1AM

RF Receivers Overview

The SI47921A2GE1AM is a high-performance automotive-grade RF receiver designed for AM, FM, SW, LW, and RBDS/RDS reception. It operates across frequency ranges of 144kHz to 288kHz, 520kHz to 1.71MHz, 2.3MHz to 30MHz, and 64MHz to 108MHz. The device supports I2C and SPI data interfaces and functions on 1.8V or 3.3V supply voltages. It is housed in a 56-VFQFN package with exposed pad.

RF Receivers Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• Integrated digital radio coprocessor supporting multiple broadcast bands
• Flexible serial interface connectivity via I2C and SPI protocols

RF Receivers Applications

• In-vehicle AM/FM/SW/LW radio systems
• Automotive infotainment head units
• Digital radio receivers with RDS/RBDS decoding

RF Receivers Procurement Notes

Verify the specific suffix 'A2' against official Skyworks documentation to confirm pinout and feature set compatibility. Ensure the procurement channel provides valid RoHS compliance certificates and AEC-Q100 qualification records. Confirm moisture sensitivity level handling requirements prior to assembly.

RF Receivers Selection Notes

Select this component for applications requiring integrated AM, FM, and shortwave reception within an automotive environment. Consider the 56-VFQFN package size for PCB layout constraints. Verify that the host microcontroller supports the required I2C or SPI communication speeds for reliable data exchange.

RF Receivers Part Context

This part belongs to the Skyworks SI479xx series of high-performance automotive radio receivers. It complements other models like the SI47951 and SI47962 by providing comprehensive band coverage. The series targets modern vehicle audio systems requiring robust signal processing and low power consumption.

RF Receivers Replacement Considerations

The SI47951A2GE1GM is listed as a similar alternative part number from Skyworks Solutions Inc. Verify functional equivalence and pin compatibility before substitution.