SI4739-C40-GU

RF Receivers Overview

The SI4739-C40-GU is an RF receiver broadcast FM/WB recvr w/rds/rbds manufactured by Silicon Laboratories Inc. It supports AM, FM, and WB frequencies ranging from 520kHz to 1.71MHz, 64MHz to 108MHz, and 162.4MHz to 162.55MHz. The component utilizes a 24-SSOP surface mount package.

RF Receivers Feature Summary

• Integrated RDS/RBDS decoding capabilities for broadcast data reception
• Supports multiple frequency bands including AM, FM, and Weather Band

RF Receivers Applications

• Broadcast FM radio receivers
• Weather band monitoring devices
• RDS/RBDS data processing systems

RF Receivers Procurement Notes

Verify the manufacturer designation carefully, as sources list both Silicon Laboratories Inc. and Skyworks Solutions Inc. for this part number. Confirm the specific suffix (GU vs GUR) matches your required packaging type, as one source indicates reel packaging for the GUR variant. Ensure the SSOP package aligns with your PCB footprint requirements before finalizing procurement.

RF Receivers Selection Notes

Select this component when multi-band reception covering AM, FM, and Weather Band is required alongside RDS/RBDS functionality. The 24-SSOP package suits applications needing a compact surface-mount solution. Verify compatibility with the intended antenna interface and power supply constraints for the specific operating environment.

RF Receivers Part Context

This part belongs to the SI4739 series of RF receivers designed for broadcast applications. It integrates the necessary circuitry to demodulate AM, FM, and WB signals while extracting RDS/RBDS data. The series is characterized by its ability to handle multiple frequency ranges within a single integrated circuit.

RF Receivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.