Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.comRev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 1, 2021Si4704/05-D60B ROADCAST FM R ADIO R ECEIVER WITH RDS/RBDSFeaturesApplicationsDescriptionThe Si4704/05-D60 digital CMOS FM radio receiver IC integrates the completetuner function from antenna input to digital audio output, enabling a cost efficientdigital audio platform for consumer electronic applications with high TDMA noiseimmunity, superior radio performance, and high fidelity audio power amplification.Functional Block Diagram Worldwide FM band support(64–108 MHz) Excellent real-world performance Integrated VCO Advanced FM seek tuning Automatic frequency control (AFC) Automatic gain control (AGC) Digital FM stereo decoder Programmable de-emphasis Advanced Audio Processing FM digital tuning EN55020 compliant No manual alignment necessary Programmable reference clock Adjustable soft mute control RDS/RBDS processor (Si4705-D60) Digital audio out 2-wire and 3-wire control interface Integrated LDO regulator QFN and SSOP packagesRoHS compliant Table and portable radios Mini/micro systems CD/DVD and Blu-ray players Stereo boom boxes Modules for consumer electronics Clock radios Mini HiFi and docking stations Entertainment systemsADCSi4704/05-D60DSPDACLOUTROUTAFCGPO/DCLKLDOVA2.7~5.5 V (QFN) / 2.0~5.5 V (SSOP)RDS(Si4705)VD1.62 - 3.6 VCONTROLINTERFACELNAAGCGNDADCMuxMuxDACLOW-IFDIGITALAUDIODFSDOUTRFGNDFMIFM Antenna RCLK32.768 kHz0/90This product, its features, and/or itsarchitecture is covered by one or more ofthe following patents, as well as otherpatents,pendingandissued,bothforeignanddomestic:7,127,217;7,272,373;7,272,375;7,321,324;7,355,476;7,426,376;7,471,940;7,339,503; 7,339,504.Ordering Information:See page 28.Pin AssignmentsSi4704/05-D60 (SSOP)Si4704/05-D60 (QFN)GNDPAD1231718192011121314678945161015 DOUTLOUT/[DFS]ROUT/[DOUT]GNDRSTNCLPIVAFMIRFGNDLOUT/[DFS]ROUT/[DOUT]DBYPVDGPO2/[INT]GPO3/[DCLK]DOUTDFS123456789101112GPO1VASDIONCNCRCLKSENFMIRFGNDSCLKGNDNCLPIRSTGNDNC242322212019181716151413
