SI4704-D50-GM

RF Receivers Overview

The SI4704-D50-GM is a broadcast FM radio receiver manufactured by Skyworks Solutions Inc. It operates within the frequency range of 64 MHz to 108 MHz and supports embedded antennas via an on-chip tunable resonance circuit. The device utilizes a 20-QFN package with dimensions of 3 mm x 3 mm x 0.55 mm. It functions at supply voltages between 2.7 V and 5.5 V and withstands operating temperatures from -20°C to +85°C. The component employs a 3-wire interface for control.

RF Receivers Feature Summary

• Supports embedded antennas using a patent-pending tunable resonance circuit for optimal signal reception
• Enables FM radio integration into portable devices without requiring external headphone cables
• Provides coverage of the expanded worldwide FM frequency band

RF Receivers Applications

• Consumer electronics requiring integrated FM radio functionality
• Portable devices where space constraints prohibit external antenna connections
• Embedded systems utilizing short wire or PCB trace antennas

RF Receivers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix matches the required operational specifications. Check current availability status as this part may be subject to obsolescence notices. Ensure compliance with RoHS standards and moisture sensitivity levels during handling and storage procedures.

RF Receivers Selection Notes

Select this component when design requirements mandate support for short, embedded antennas such as PCB traces or wires. It is suitable for applications needing full-band FM reception in compact form factors. Consider the 20-QFN package size and 3-wire interface compatibility with the host microcontroller before finalizing the design.

RF Receivers Part Context

This receiver belongs to the Si47xx series, which incorporates features from the Silicon Laboratories CMOS Si4700 family. It represents an evolution in FM tuner technology by enabling internal antenna solutions. The product line focuses on reducing external component count and simplifying layout for modern consumer electronics.

RF Receivers Replacement Considerations

Public confirmed substitute: SI4704-D60-GMR.