SI4740-C10-GMR

RF Receivers Overview

The SI4740-C10-GMR is a single-chip AM/FM radio tuner manufactured by Skyworks Solutions Inc. It supports multiple frequency bands: Medium Wave (520kHz ~ 1.71MHz), Shortwave (2.3MHz ~ 26.1MHz), Longwave (153kHz ~ 279kHz), and FM (64MHz ~ 108MHz). The device operates on a supply voltage of 2.7V to 5.5V with a receive current of 10.5mA. It features an integrated RSSI function and utilizes a 24-QFN (4x4) surface-mount package. The component functions within a temperature range of -20°C to 85°C.

RF Receivers Feature Summary

• Supports reception across AM, FM, Shortwave, and Longwave bands
• Integrates Received Signal Strength Indicator (RSSI)
• Utilizes a compact 24-pin QFN surface-mount package

RF Receivers Applications

• Portable audio devices
• General purpose radio receivers
• Embedded broadcast monitoring systems

RF Receivers Procurement Notes

Verify the obsolete status of this component before design finalization. Confirm availability through authorized distributors or check for valid replacement part numbers. Ensure that the 24-QFN footprint matches the target PCB layout. Validate that the operating voltage and temperature ranges meet system requirements. Review official product change notices for any assembly or material updates.

RF Receivers Selection Notes

Select this component for applications requiring multi-band coverage including shortwave and longwave frequencies. The low power consumption makes it suitable for battery-operated devices. Consider the specific interface requirements and antenna configuration needs. Verify compatibility with the host microcontroller for control signals. Evaluate the physical size constraints against the 4x4mm package dimensions.

RF Receivers Part Context

This part belongs to the SI4740 series of radio tuners from Skyworks Solutions. It is designed as a complete solution for AM and FM reception without external components. The series targets cost-sensitive and space-constrained consumer electronics. It integrates necessary tuning and demodulation circuits on a single silicon die.

RF Receivers Replacement Considerations

SI4754-A40-GMR is listed as a manufacturer recommended substitute.