The Si4730/31 is the industry's first fully integrated, 100% CMOS AM/FM radio receiver IC. The Si4730/31 AM/FM radio provides the space savings and low power consumption necessary for portable devices while delivering the high performance and design simplicity desired for all AM/FM solutions. Offering unmatched integration and PCB space savings, the Si4730/31 requires only two external components and less than 15 mm2 of board area.