Telecoms, Datacoms, Wireless, IoT


Smallest FM radio tuner IC

6 September 2006 Telecoms, Datacoms, Wireless, IoT

Silicon Laboratories has introduced what it claims is the industry's smallest, most integrated FM radio tuners. The Si4702/03 devices, which use the company's patented low-IF digital architecture, are available in a tiny 3 x 3 x 0,55 mm package. PCB area required is thus only 10 mm² according to the company. With FM radios being increasingly integrated into handsets and portable devices, performance, integration and size become critical as they impact both the customer experience and the ultimate cost of the product. These FM radio tuner devices offer very high selectivity and sensitivity as well as easily adjustable seek, soft mute and blend, all of which are fundamental to superior performance in highly variable FM broadcast environments. The Si4703 also addresses feature-rich devices by offering additional detection and processing of the radio data service (RDS) and radio broadcast data service (RBDS) information. The Si4702/3 come in 20-pin quad flat no-lead (QFN) package.



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