SI4757-A40-GM

RF Receivers Overview

The SI4757-A40-GM is an RF receiver from Skyworks Solutions Inc. designed for multi-band radio reception, supporting AM, FM, LW, and SW bands. It is housed in a 32-QFN (5x5) package with exposed pads. The device is AEC-Q100 qualified for automotive applications and operates within a temperature range of -40°C to +85°C. It utilizes surface-mount technology for PCB integration.

RF Receivers Feature Summary

• Supports simultaneous reception across AM, FM, LW, and SW frequency bands
• Automotive-grade qualification compliant with AEC-Q100 standards
• Integrated single-chip solution for multi-band radio tuning

RF Receivers Applications

• Automotive infotainment systems
• Multi-band vehicle radio receivers
• Portable audio devices requiring long-wave and short-wave support

RF Receivers Procurement Notes

Verify current availability status as the component may be subject to limited supply or discontinuation notices. Confirm that the AEC-Q100 qualification aligns with specific automotive reliability requirements. Ensure the 32-QFN package dimensions match the target PCB footprint design constraints before finalizing procurement plans.

RF Receivers Selection Notes

Select this component when multi-band coverage including LW and SW is required alongside standard AM/FM reception. The AEC-Q100 rating makes it suitable for automotive environments. Consider the 32-QFN package size for space-constrained designs. Verify interface compatibility with the host microcontroller for control signals.

RF Receivers Part Context

This part belongs to the Si475x series of RF receivers by Skyworks Solutions. It is distinct from the SI4755 and SI4770 models which offer different band combinations or package types. The SI4757 specifically targets applications needing comprehensive medium and short-wave capabilities in a compact form factor.

RF Receivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Check Skyworks official resources for potential obsolescence notifications or direct replacements within the Si47xx family.