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SI4705-D50-GMR is listed in the RF Receivers range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is RF RCVR FM 64MHZ-108MHZ 20QFN. Review the specifications below when checking this part for your BOM.
The SI4705-D50-GMR is an FM radio receiver from Skyworks Solutions Inc., designed for consumer electronics. It operates within a frequency range of 64 MHz to 108 MHz and supports short antenna configurations. The device utilizes a QFN-20 package with dimensions of 3 mm x 3 mm x 0.55 mm, suitable for surface mount installation. It functions at supply voltages between 2.7 V and 5.5 V, with a maximum operating temperature of +85°C and a minimum of -20°C. The component features a 3-wire interface and draws an operating supply current of 7.5 mA.
Verify the obsolete lifecycle status before procurement planning. Confirm regional availability as distribution may be restricted. Ensure compatibility with existing 3-wire interface requirements and QFN-20 footprint constraints during design validation.
Select this component for applications requiring integrated FM reception in minimal space. Consider the short antenna feature for designs lacking external antenna connections. Verify voltage supply ranges align with system power rails and thermal limits meet operational environment specifications.
This part belongs to the SI4705 series of RF receivers. It shares architectural similarities with the SI4704 model but offers specific optimizations for short antenna applications. The D50 suffix indicates specific configuration parameters documented in official datasheets.
Public confirmed substitute part numbers are not available in verified documentation. Due to the obsolete lifecycle status, direct replacement verification requires consulting official Skyworks Solutions engineering support channels.
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