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SI4739-C40-GM is listed in the RF Receivers range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is RF RX AM/FM 520KHZ-1.71MHZ 20QFN. Review the specifications below when checking this part for your BOM.
RF Receivers specifications for SI4739-C40-GM
- Description：RF RX AM/FM 520KHZ-1.71MHZ 20QFN
- Series：-
- Mfr：Skyworks Solutions Inc.
- Package：Tray
- Frequency：520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz
- Sensitivity：-
- Data Rate (Max)：-
- Modulation or Protocol：AM, FM, WB
- Applications：General Purpose
- Current - Receiving：19.9mA
- Data Interface：PCB, Surface Mount
- Memory Size：-
- Antenna Connector：PCB, Surface Mount
- Features：RSSI Equipped
- Voltage - Supply：2.7V ~ 5.5V
- Operating Temperature：-20°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-UFQFN Exposed Pad
- Supplier Device Package：20-QFN (3x3)
- Grade：-
- Qualification：-
RF Receivers datasheet and documents for SI4739-C40-GM
RF Receivers Overview
The SI4739-C40-GM is an RF receiver manufactured by Skyworks Solutions Inc., designed for AM, FM, and Weather Band reception. It supports frequency ranges of 520kHz to 1.71MHz, 64MHz to 108MHz, and 162.4MHz to 162.55MHz. The device operates on a supply voltage of 2.7V to 5.5V with a receive current of approximately 19.9mA. It utilizes a 20-QFN (3x3) surface-mount package and functions within a temperature range of -20°C to 85°C.
RF Receivers Feature Summary
- Integrated support for AM, FM, and Weather Band signal reception
- Built-in RSSI capability for signal strength monitoring
- Compact 20-QFN surface-mount packaging for space-constrained designs
RF Receivers Applications
- Portable AM/FM radio receivers
- Weather band monitoring devices
- General purpose audio reception systems
RF Receivers Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific C40 suffix matches design requirements, as this variant is obsolete. Cross-reference datasheet specifications against current project needs before procurement to ensure compatibility with existing circuit architectures.
RF Receivers Selection Notes
Select this component for applications requiring multi-band reception in a compact form factor. Ensure power supply constraints align with the 2.7V to 5.5V operating range. Consider thermal management within the specified -20°C to 85°C operational window during system integration.
RF Receivers Part Context
This part belongs to the SI473x series of single-chip radio tuners from Skyworks Solutions. It provides integrated analog-to-digital conversion and digital demodulation capabilities. The series is designed for low-power consumer electronics requiring high-performance radio reception without external components.
RF Receivers Replacement Considerations
The SI4735-D60-GM is listed as a direct substitute. Verify pinout and functional equivalence before substitution due to the obsolete status of the original part.
Explore related parts through RF and Wireless, all product categories, ChipApex homepage.
