SI4738-C40-GMR

RF Receivers Overview

The SI4738-C40-GMR is an RF receiver integrated circuit manufactured by Skyworks Solutions Inc., designed for AM, FM, and Shortwave/Low Frequency (SW-LW) signal reception. It operates across frequency bands of 520kHz to 1.71MHz and 64MHz to 108MHz. The device features a 20-UFQFN package with an exposed pad, measuring 3mm x 3mm. It supports a supply voltage range of 2.7V to 5.5V and functions within a temperature range of -20°C to 85°C. The receiver includes RSSI capabilities and utilizes a surface-mount interface.

RF Receivers Feature Summary

• Supports AM, FM, and SW-LW modulation protocols
• Integrated RSSI functionality
• Surface mount installation type

RF Receivers Applications

• General purpose radio receivers
• Portable audio devices
• Embedded communication systems

RF Receivers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix GMR indicates tape and reel packaging. Check for active status as some variants may be obsolete. Ensure compatibility with existing PCB layouts and power supply requirements before procurement.

RF Receivers Selection Notes

Select this model for applications requiring multi-band AM/FM/SW-LW reception in a compact form factor. Consider the 20-QFN package constraints for thermal management and routing. Verify that the operating voltage and temperature ranges align with the target system environment. Compare against similar Skyworks models like SI4735 or SI4734 for feature parity.

RF Receivers Part Context

This component belongs to the Skyworks SI47xx series of single-chip radio tuners. These ICs are widely used in consumer electronics for broadcast radio reception. The C40 variant typically denotes specific performance characteristics and package options within the family. It represents a solution for integrating radio functionality into space-constrained designs.

RF Receivers Replacement Considerations

Public confirmed substitute part numbers include SI4738-D60-GMR. Verify pinout and electrical parameter compatibility before substitution. Check if the alternative variant offers improved availability or updated manufacturing processes.