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SI4831-B31-GU is listed in the RF Receivers range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is RF RCVR AM/FM 24SSOP. Review the specifications below when checking this part for your BOM.
The SI4831-B31-GU is an AM/FM radio receiver manufactured by Skyworks Solutions Inc., operating within frequency ranges of 504kHz to 1.75MHz and 64MHz to 109MHz. It supports AM and FM modulation protocols in a 24-SSOP surface-mount package. The device functions with a supply voltage between 2V and 3.6V, drawing 21.5mA during reception. It operates across a temperature range of -15°C to 85°C.
Verify the specific suffix against official Skyworks documentation to confirm mechanical tuning capabilities and temperature ratings. Ensure compatibility with the required 24-SSOP footprint and 2V to 3.6V power supply constraints. Confirm that the component meets the necessary -15°C to 85°C operational temperature requirements for the intended application environment.
Select this component when mechanical tuning interfaces are required alongside integrated AM/FM reception. It is suitable for designs needing support for both standard broadcast bands within a compact surface-mount form factor. Consider the specific power consumption and voltage range requirements relative to the system's battery or power architecture.
This part belongs to the SI4831 series of highly integrated radio receivers. It differs from other variants like the SI4831-B30-GUR primarily through its inclusion of mechanical tuning features and potentially distinct thermal specifications. The series targets low-power applications requiring robust signal processing for standard broadcast frequencies.
Public confirmed substitute part numbers are not available in the provided documentation.
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