SI4703-B17-ZM1R

RF Receivers Overview

The SI4703-B17-ZM1R is an FM radio tuner integrated circuit manufactured by Skyworks Solutions Inc. It operates within a frequency range of 76 MHz to 108 MHz and supports RDS functionality. The device functions with a supply voltage between 2.7 V and 5.5 V. It is housed in a 20-QFN (3x3) surface-mount package. The component is rated for operation at temperatures from -20°C to +85°C.

RF Receivers Feature Summary

• Integrated FM receiver with RDS support
• Ultra-small 20-QFN surface mount package
• Wide operating temperature range

RF Receivers Applications

• Portable audio devices
• Automotive infotainment systems
• Consumer electronics

RF Receivers Procurement Notes

This component is officially discontinued and no longer in production. Verify availability through authorized distributors or secondary market channels, as standard supply chains are inactive. Confirm the specific revision code matches design requirements before procurement.

RF Receivers Selection Notes

Select this part for applications requiring a compact FM solution with RDS decoding. Ensure the PCB layout accommodates the 20-QFN footprint. Verify that the system power supply remains within the specified 2.7 V to 5.5 V range during all operational states.

RF Receivers Part Context

The SI4703 series represents Skyworks' broadcast FM radio tuners designed for portable applications. This specific model integrates the tuner and demodulator into a single chip, reducing external component count and board space compared to discrete solutions.

RF Receivers Replacement Considerations

No direct public substitutes are confirmed. Consider the SI4703-B17-GMR or SI4703-B17-ZM1 for pin-compatible alternatives, though availability may also be limited due to discontinuation status.