SI4702-C19-GM

RF Receivers Overview

The SI4702-C19-GM is a digital low-IF FM receiver manufactured by Skyworks Solutions Inc. It supports the worldwide FM band from 76 MHz to 108 MHz and utilizes an I2C interface for control. The device operates on a supply voltage ranging from 2.7 V to 5.5 V and draws a receive current of 21.1 mA. It is housed in a 20-QFN (3x3 mm) package with exposed pad, suitable for surface mount installation. The component functions within a temperature range of -20°C to +85°C.

RF Receivers Feature Summary

• Digital low-IF architecture for high-performance FM reception
• Supports worldwide FM frequency bands including 76–108 MHz
• I2C bus interface for simplified system integration

RF Receivers Applications

• Portable audio devices
• Consumer electronics requiring FM tuning
• General purpose RF receivers

RF Receivers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix GM corresponds to the tray packaging variant as indicated in official documentation. Check for Product Change Notifications regarding obsolescence status, as this part may be subject to discontinuation notices. Ensure ESD handling protocols are followed during storage and assembly due to moisture sensitivity level classification.

RF Receivers Selection Notes

Select this component when a compact, low-power FM tuner is required for portable applications. The 20-QFN footprint offers space efficiency compared to larger packages. Consider the 2.7V to 5.5V operating range for compatibility with various power supply designs. Verify that the I2C interface aligns with the host microcontroller capabilities. Evaluate thermal performance within the specified -20°C to +85°C ambient range for the target environment.

RF Receivers Part Context

This part belongs to the Si4702 series of FM receivers from Skyworks Solutions. It is designed as a complete solution for FM demodulation, integrating the tuner, demodulator, and necessary analog front-end circuitry into a single chip. The series targets cost-sensitive and space-constrained consumer markets, providing a turnkey solution for radio functionality without external filters or complex biasing networks.

RF Receivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data.