SI4737-C40-GM

Description：RF RX AM/FM 520KHZ-1.71MHZ 20QFN
Series：-
Mfr：Skyworks Solutions Inc.
Package：Tray

SKU:e49443b51724 Category: RF Receivers Brand: Skyworks Solutions Inc.

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Product introduction

SI4737-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 SI4737-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 SI4737-C40-GM

SI4737-C40-GM

RF Receivers Overview

The SI4737-C40-GM is an obsolete RF receiver manufactured by Skyworks Solutions Inc. It supports AM, FM, and weather band reception with RDS capability. The device operates within a frequency range of 520kHz to 1.71MHz for AM and covers the standard FM broadcast band. It utilizes a 20-QFN (3x3) surface-mount package. The component requires a supply voltage between 2.7V and 5.5V and functions within a temperature range of -20°C to 85°C.

RF Receivers Feature Summary

Supports FM/AM radio and weather band reception
Includes Radio Data System (RDS) decoding
Integrated RSSI functionality

RF Receivers Applications

FM/AM radio receivers
Weather band reception devices
Portable audio equipment

RF Receivers Procurement Notes

This component is officially obsolete and no longer manufactured. Verification should focus on identifying valid substitutes rather than sourcing original units. Confirm that replacement parts maintain identical interface requirements and pin compatibility. Ensure any alternative selection aligns with current manufacturing availability and technical specifications.

RF Receivers Selection Notes

Designers must transition to newer generation components due to the discontinuation of this part. Evaluate replacement options based on functional equivalence and interface compatibility. Verify that substitute devices support the same modulation protocols and frequency bands required for the intended application without requiring significant circuit redesign.

RF Receivers Part Context

The SI4737-C40-GM belongs to the SI473x series of single-chip AM/FM radio tuners. This family integrates analog front-end processing with digital baseband capabilities. The C40 suffix typically denotes specific performance characteristics or packaging variants within the broader product line managed by Skyworks Solutions.