SI4749-C10-GMR

RF Receivers Overview

The SI4749-C10-GMR is an RF receiver designed for FM broadcast audio applications, manufactured by Skyworks Solutions Inc. It operates within a frequency range of 76MHz to 108MHz and supports the FM modulation protocol. The device utilizes a digital low intermediate frequency (low-IF) architecture to deliver high-performance reception capabilities. It is housed in a 24-QFN(4x4) surface-mount package with a bare pad configuration. The component requires a supply voltage between 3V and 5.5V and draws a receiving current of 24mA. It is rated for an operating temperature range of -40°C to 85°C.

RF Receivers Feature Summary

• Utilizes a digital low intermediate frequency (low-IF) receiver architecture for enhanced signal processing.
• Supports RDS/RDBS data reception capabilities integrated within the FM band.
• Designed specifically for broadcast audio applications requiring high-performance RF reception.

RF Receivers Applications

• FM broadcast audio receivers
• RDS/RDBS data decoding systems
• Automotive infotainment audio units

RF Receivers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to obsolescence status. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Cross-reference datasheet revisions and product change notifications to ensure compliance with current manufacturing standards and environmental regulations.

RF Receivers Selection Notes

Select this component for designs requiring dedicated FM reception with integrated data decoding. Ensure the host system supports the required 3V to 5.5V supply range and accommodates the 24mA current draw. Verify that the PCB layout can support the 24-QFN footprint and thermal requirements associated with the bare pad design for optimal performance.

RF Receivers Part Context

This part belongs to the SI4749 series of RF receivers from Skyworks Solutions Inc., which leverages proprietary patent portfolios for broadcast audio. The series is characterized by its focus on high-fidelity FM reception and data integration. The C10 suffix typically denotes specific packaging and qualification variants within the broader product family.

RF Receivers Replacement Considerations

• SI4749-C10-GM

RF Receivers FAQ

What receiver architecture does the SI4749-C10-GMR utilize?

It employs a digital low intermediate frequency (low-IF) receiver architecture.

Does this component support data broadcasting protocols?

Yes, it supports RDS/RDBS data reception alongside standard FM audio.