SI4709-B-GMR

RF Receivers Overview

The SI4709-B-GMR is an FM receiver with RDS support from Skyworks Solutions Inc., designed for ultra-small PCB surface mount applications. It operates within the 76MHz to 108MHz frequency range using FM modulation. The device features a 16-UFQFN package with exposed pad, measuring 2.5x2.5 mm. It supports a supply voltage of 2.7V to 5.5V and functions between -20°C and +85°C. The receive current is specified at 16.4 mA.

RF Receivers Feature Summary

• Integrates FM reception with RDS data decoding capabilities
• Utilizes an ultra-small 16-pin QFN footprint for compact designs
• Supports standard I2C interface for control and status

RF Receivers Applications

• Portable audio devices requiring small form factors
• Consumer electronics with limited board space
• General purpose FM radio implementations

RF Receivers Procurement Notes

Verify component authenticity through authorized channels due to obsolescence status. Confirm package integrity and moisture sensitivity handling prior to assembly. Cross-reference datasheet revisions to ensure compatibility with existing design specifications.

RF Receivers Selection Notes

Evaluate the trade-off between the discontinued status and specific size constraints. Consider alternative models like SI4709-C-GMR if updated availability is required. Ensure antenna matching circuits align with the 76-108 MHz operational bandwidth.

RF Receivers Part Context

This component belongs to the SI4709 series of single-chip FM radio tuners. It is manufactured by Skyworks Solutions Inc. and represents a specialized solution for high-volume consumer electronics requiring minimal external components.

RF Receivers Replacement Considerations

SI4709-C-GMR is listed as a substitute part number.