WMSIC Electronic Components

SKYWORKS SI4732-A10-GSR SI4732

ModelSI4732-A10-GSR
PackageSOIC-16
BrandSKYWORKS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SKYWORKS SI4732-A10-GSR
Type
SOIC-16
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SKYWORKS
Electronic Component
SI4732-A10-GSR
Electronic Component
1
Package
SOIC-16
Type
Receiver
Electronic Component
Wireless Transceiver IC
Electronic Component
0.28g
Electronic Component
1
Electronic Component
BM0264546450
Operating Temperature
20℃~+85℃
Operating Voltage
2.7V~3.6V
Electronic Component
FM
Interface Type
I2C;SPI
Frequency
2.3MHz~26.1MHz;520kHz~1.71MHz;64MHz~108MHz;153kHz~279kHz
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SI4732-A10-GSR 产品概述

一、产品简介

SI4732-A10-GSR 是一款面向消费类音频接收的射频接收器,封装为表面贴装 16-SOIC,适配通用 PCB 工艺。器件支持 AM(含 LW/SW)与 FM 收听功能,覆盖多段频率带:153kHz–279kHz、520kHz–1.71MHz、2.3MHz–26.1MHz 以及 64MHz–108MHz。器件工作电压范围为 2.7V–3.6V,工作温度为 -20℃ 至 +85℃,通信接口提供 I2C 和 SPI 两种选择,便于与 MCU 或 SoC 集成控制。

二、主要特性

  • 支持 AM(LW/SW)、短波和 FM 广播接收,覆盖常见广播频段;
  • 双数字接口:I2C 与 SPI,灵活兼容主控平台;
  • 低压供电:2.7V–3.6V,适合便携设备电源设计;
  • 封装:SOIC-16(表面贴装),便于 SMT 贴片工艺与自动化生产;
  • 商用环境温度等级:-20℃~+85℃,适配多数消费电子使用场景。

三、典型应用场景

  • 便携式收音机与随身听;
  • 家用音响、音频播放设备的广播接收模块;
  • 嵌入式信息发布系统、楼宇广播终端;
  • 其它需要 AM/FM/SW/LW 接收功能的消费与工业类设备。

四、设计注意事项

  • 电源设计:器件对电源噪声敏感,建议在供电引脚附近布置充分的去耦电容(如 0.1µF 与 1µF),并使用稳压 LDO 或良好滤波的电源轨;
  • 天线与匹配:为了获得最佳灵敏度和选择性,需根据目标频段设计合适的天线与匹配网络;长短波与短波/中波/调频可能需不同匹配方案或开关匹配电路;
  • PCB 布局:模拟射频部分与数字接口应尽量分区,保持接地平面连续;高速数字走线(I2C/SPI)应短且走向明确,避免与射频输入线并行干扰;
  • 接口与控制:器件支持 I2C 与 SPI 控制总线,设计时确认主控引脚电平与供电相容,并考虑上拉电阻与总线速率;
  • 抗静电与浪涌保护:射频输入端与外部接口处建议增加 ESD 保护器件以提高可靠性;
  • 环境与热管理:工作温度范围为 -20℃~+85℃,若实际应用环境更苛刻需做额外热与可靠性评估。

五、封装与引脚

器件采用 SOIC-16 封装(表面贴装),适配常规 16 引脚外形板级封装。请根据厂商提供的封装图与引脚定义设计 PCB 焊盘,保证焊接可靠性与良好热散性能。

六、总结

SI4732-A10-GSR 是一款集成度高、接口灵活、适用于多频段广播接收的射频接收器,特别适合便携与家用音频设备。正确的电源去耦、天线匹配与 PCB 布局对最终接收性能有决定性影响。建议在样机阶段重点验证灵敏度、选择性与总线控制兼容性,以缩短量产调试周期。若需进一步的引脚说明、评估板建议或布局范例,可提供更详细的工程资料以便定制化支持。

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