SI4749-C10-AMR

RF Receivers Overview

The SI4749-C10-AMR is an automotive-grade FM radio receiver manufactured by Skyworks Solutions Inc. It operates within the frequency range of 76MHz to 108MHz and supports FM modulation with RDS/RBDS data decoding. The device is housed in a 24-QFN (4x4) surface-mount package with an exposed pad. It requires a supply voltage between 3V and 5.5V and draws a receive current of 24mA. The component is qualified to AEC-Q100 standards and functions within a temperature range of -40°C to 85°C.

RF Receivers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments
• Integrated FM demodulation with dedicated RDS/RBDS data processing capabilities
• Compact 24-pin QFN surface-mount packaging designed for space-constrained PCB layouts

RF Receivers Applications

• In-dash automotive audio systems
• Vehicle infotainment interfaces
• Car navigation units with radio functionality

RF Receivers Procurement Notes

Verify the specific suffix 'AMR' against official Skyworks documentation to confirm tape-and-reel packaging and automotive grade status, as generic listings may vary. Confirm end-of-life or obsolescence status via recent Product Change Notices, as the related SI4749-C10-GM variant shows observed status dates in public records. Ensure compatibility with existing board designs regarding the 24-QFN footprint and thermal requirements before finalizing procurement orders.

RF Receivers Selection Notes

Select this component when designing for automotive applications requiring certified reliability and integrated RDS/RBDS decoding. Compare against the SI4749-C10-GM variant to determine if reel packaging is preferred over tray. Evaluate power consumption at 24mA against system battery constraints. Ensure the design supports the required 3V to 5.5V supply range and accommodates the 24-QFN thermal pad layout for adequate heat dissipation during operation.

RF Receivers Part Context

This part belongs to the SI4749 family of FM receivers from Skyworks Solutions. It shares the core architecture with the SI4749-C10-GM but differs in packaging format. The family targets high-performance radio reception with low external component counts. Related models like the SI4742 offer similar automotive qualifications with potentially different interface or frequency configurations.

RF Receivers Replacement Considerations

Public records indicate the SI4755-A40-GM is listed as a manufacturer recommended substitute for the SI4749 series. Verify pinout and functional compatibility with the SI4755-A40-GM before implementation, as cross-model replacements require rigorous validation.