SI4731-C40-GMR

RF Receivers Overview

The SI4731-C40-GMR is an AM/FM radio receiver integrated circuit manufactured by Skyworks Solutions Inc. It operates within a supply voltage range of 2.7 V to 5.5 V and supports frequency bands of 520 kHz to 1.71 MHz for AM reception. The device utilizes a 20-QFN (3x3 mm) surface-mount package with a 3-Wire interface. It features RSSI capability and is designed for low-power applications, supporting standard AM and FM modulation protocols.

RF Receivers Feature Summary

• Integrated RF receiver supporting AM and FM broadcast bands
• Low power consumption suitable for portable devices
• Built-in RSSI functionality for signal strength indication
• Compact 20-QFN surface-mount package design

RF Receivers Applications

• Portable AM/FM radios
• Internet radio receivers
• Smart home audio devices
• Automotive infotainment systems

RF Receivers Procurement Notes

Verify component authenticity through authorized Skyworks distributors or certified agents. Confirm the specific suffix matches project requirements. Check current availability status as inventory levels fluctuate. Ensure compliance with RoHS directives and moisture sensitivity level handling procedures during storage and assembly.

RF Receivers Selection Notes

Select this model when AM/FM reception within the specified frequency ranges is required. Consider the 20-QFN package size for PCB layout constraints. Evaluate power supply stability within the 2.7 V to 5.5 V range. Compare against other Si4731 variants if different packaging or additional features are needed.

RF Receivers Part Context

Part of the Si4731 series from Skyworks Solutions, focusing on single-chip radio solutions. Designed for high integration and minimal external components. Commonly used in consumer electronics requiring compact form factors. Shares architectural similarities with other members of the Si47xx family.

RF Receivers Replacement Considerations

Direct substitutes may include other Si4731 variants with different suffixes indicating package or temperature variations. Verify pin compatibility and software configuration before replacement. Consult Skyworks documentation for cross-reference information.