SI4735-C40-GUR

RF Receivers Overview

The SI4735-C40-GUR is a broadcast AM/FM radio receiver integrated circuit manufactured by Skyworks Solutions Inc. It supports frequency bands of 153kHz to 279kHz, 520kHz to 1.71MHz, 2.3MHz to 26.1MHz, and 64MHz to 108MHz. The device operates on a supply voltage ranging from 2V to 5.5V and consumes a receive current of 18.5mA. It functions within an operating temperature range of -20°C to 85°C. The component is housed in a 24-SSOP surface-mount package with a width of 3.90mm.

RF Receivers Feature Summary

• Supports RDS/RBDS data decoding for FM broadcasts
• Integrates RSSI functionality for signal strength indication
• Utilizes a 3-wire serial interface for control and data

RF Receivers Applications

• Portable AM/FM radio receivers
• Automotive infotainment systems
• Consumer audio equipment

RF Receivers Procurement Notes

Verify the specific suffix 'GUR' corresponds to the 24-SSOP tape-and-reel packaging configuration. Confirm that the C40 revision meets the required firmware compatibility for your application. Check for any product change notices regarding the C-series variants to ensure long-term availability alignment.

RF Receivers Selection Notes

Select this model when a compact 24-pin SSOP footprint is required for space-constrained designs. Ensure the system power supply can accommodate the 2V minimum threshold. Verify that the host microcontroller supports the necessary 3-wire serial protocol for seamless integration and control.

RF Receivers Part Context

This component belongs to the Si4735 series of single-chip broadcast radio receivers. It shares architectural similarities with other models in the family but differs in package type and specific manufacturing revision. The C40 designation indicates a particular silicon version within the broader product line.

RF Receivers Replacement Considerations

Public confirmed substitute part numbers include SI4735-D60-GUR.