SI4763-A50-AMR

RF Receivers Overview

The SI4763-A50-AMR is an automotive-grade RF receiver integrated circuit manufactured by Skyworks Solutions Inc. It supports AM, FM, and HD Radio reception within the frequency ranges of 520 kHz to 1.71 MHz and 64 MHz to 108 MHz. The device operates on a supply voltage between 1.5 V and 5.5 V with a typical current consumption of 130 mA. It utilizes a 40-VFQFN (6x6 mm) package with exposed pad for surface mount installation. The component meets AEC-Q100 qualification standards and functions within a temperature range of -40°C to +85°C.

RF Receivers Feature Summary

• Supports AM, FM, and HD Radio signal reception
• Automotive qualified under AEC-Q100 standards
• Integrated low-noise amplifier and synthesizer
• Digital audio output via I2S interface

RF Receivers Applications

• In-dash car radios
• Portable automotive navigation systems
• Telematics control units
• Aftermarket vehicle audio upgrades

RF Receivers Procurement Notes

Verify the specific suffix 'A50' against official Skyworks documentation to confirm feature set alignment. Confirm the 'AMR' tape-and-reel packaging requirement matches production line capabilities. Ensure the 40-QFN thermal pad soldering process adheres to the manufacturer's reflow profile guidelines for reliable long-term operation in automotive environments.

RF Receivers Selection Notes

Select this component when AM, FM, and HD Radio reception are required in a single-chip solution. The AEC-Q100 qualification makes it suitable for strict automotive reliability requirements. Consider the 130 mA current draw for power budget calculations. The 40-pin QFN package offers a compact footprint for space-constrained dashboard designs compared to larger legacy receivers.

RF Receivers Part Context

This part belongs to the Si476x series of radio tuners from Skyworks Solutions. The series integrates analog front-end and digital baseband processing. The SI4763 variant specifically targets applications requiring HD Radio decoding alongside standard broadcast bands. It replaces older discrete tuner solutions by consolidating multiple functions into one silicon die.

RF Receivers Replacement Considerations

Publicly listed similar parts include SI4762-A42-AMR and SI4763-A42-AMR. Verify if the alternative suffix indicates identical pinout and functionality before substitution. Check datasheets for differences in supported bands or interface configurations.