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SI4757-A55-GMR is listed in the RF Receivers range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is FM/AM/SW/LW RECEIVER, AUTOMOTIVE. Review the specifications below when checking this part for your BOM.
The SI4757-A55-GMR is an RF receiver manufactured by Skyworks Solutions Inc., designed for AM, FM, Shortwave (SW), and Longwave (LW) signal reception. It features a 32-QFN package with dimensions of 5x5 mm. The component operates within a temperature range of -40°C to +85°C and holds AEC-Q100 automotive qualification. This integrated circuit supports surface mount installation and utilizes PCB antenna connections.
Verify the current lifecycle status as the product may be discontinued or subject to obsolescence notices. Confirm that the specific suffix matches the required frequency bands and package type. Ensure compatibility with existing PCB layouts and thermal management requirements before finalizing procurement decisions.
Select this component for applications requiring multi-band reception including longwave and shortwave capabilities. Verify that the 32-QFN package fits the designated footprint. Consider the AEC-Q100 qualification if the application demands automotive-grade reliability and environmental resilience.
This part belongs to the Si475x series of RF receivers from Skyworks Solutions. It is distinct from other models in the family by its specific support for longwave and shortwave bands alongside standard AM and FM frequencies. The device is engineered for compact form factors suitable for space-constrained electronic designs.
Public confirmed substitute part numbers are not available in the provided documentation.
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