SI4739-C40-GUR

RF Receivers Overview

The SI4739-C40-GUR is an RF receiver manufactured by Skyworks Solutions Inc., designed for AM and FM radio applications. It operates within a frequency range of 520 kHz to 1.71 MHz for AM reception and covers the standard FM band. The component utilizes a 20-QFN package with surface-mount installation, suitable for compact electronic designs. It supports a supply voltage range of 2.7 V to 5.5 V and functions reliably across a temperature range of -20°C to +85°C. The device integrates necessary circuitry for direct audio output and digital control interfaces.

RF Receivers Feature Summary

• Integrated AM/FM radio reception capabilities
• Compact 20-QFN surface-mount packaging
• Wide operating voltage and temperature range

RF Receivers Applications

• Portable AM/FM radios
• Consumer electronics audio systems
• Industrial control panels with audio alerts

RF Receivers Procurement Notes

Verify current availability status as distribution channels may vary. Confirm package type and suffix designations match specific project requirements. Check for end-of-life notices or product change notifications from the manufacturer. Ensure compliance with regional RoHS regulations before integration into final assemblies.

RF Receivers Selection Notes

Select this component for applications requiring integrated AM and FM tuning in a small footprint. Consider the 20-QFN package for space-constrained PCB layouts. Verify interface compatibility with host microcontrollers. Evaluate power consumption against battery-operated system constraints.

RF Receivers Part Context

This part belongs to the SI473x series of radio receivers from Skyworks Solutions. It shares architectural similarities with other models in the family but differs in specific frequency coverage and package options. The series targets cost-sensitive consumer audio markets requiring high integration levels.