SI4730-D60-GMR

Rev. 1.1 11/11Copyright © 2011 by Silicon LaboratoriesSi473x-D60Si4730/31/34/35-D60B ROADCAST AM/FM/SW/LW R ADIO R ECEIVERFeaturesApplicationsDescriptionThe Si473x-D60 digital CMOS AM/FM radio receiver IC integrates the completetuner function from antenna input to digital audio output and includes a stereoaudio AUXIN ADC input for converting analog audio into standard I2S digitalaudio, enabling a cost efficient digital audio platform for consumer electronicapplications with high TDMA noise immunity, superior radio performance, andhigh fidelity audio power amplification. When enabling the analog inputs in stereoAUXIN ADC-mode, the Si473x-D60 supports I2S digital audio output only (noanalog output).Functional Block DiagramWorldwide FM band support(64–108 MHz)Worldwide AM band support(520–1710 kHz)SW band support (Si4734/35)(2.3–26.1 MHz)LW band support (Si4734/35)(153–279 kHz)Excellent real-world performanceIntegrated VCOAdvanced AM/FM seek tuningAutomatic frequency control (AFC)Automatic gain control (AGC)Digital FM stereo decoderProgrammable de-emphasisAdvanced Audio ProcessingMultiplexed stereo audio AUXINADC with 85 dB dynamic rangeSeven selectable AM channel filtersAM/FM/SW/LW digital tuningEN55020 compliantNo manual alignment necessaryProgrammable reference clockAdjustable soft mute controlRDS/RBDS processor (Si4731/35)Digital audio out2-wire and 3-wire control interfaceIntegrated LDO regulatorWide range of ferrite loop sticks andair loop antennas supportedQFN and SSOP packagesRoHS 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 systemsADCSi473x-D60DSPDACLO UTRO UTAFCGPO /DCLKLDOVA2.7~5.5 V (QFN)2.0~5.5 V (SSO P)RDS(Si4731/35)AM IVD1.62 - 3.6 VCO NTROLINTERFACELNAAGCLNAAGCGNDADCMu xMu xDACLOW -IFDIG ITALAUDIODFSDO UTLINRINAM / LWANTRFGNDFM IFM / SWANT This product, its features, and/or itsarchitecture is covered by one or more ofthe following patents, as well as otherpatents, pending and issued, 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 33.Pin AssignmentsSi473x-D60(SSOP)Si473x-D60 (QFN)GNDPAD1231718192011121314678945161015 DOUT/[LIN]LOUT/[DFS]ROUT/[DOUT]GNDRSTNCAMIVAFMIRFGNDLOUT/[DFS]ROUT/[DOUT]DBYPVDGPO2/[INT]GPO3/[DCLK]DOUT/[LIN]DFS/[RIN]123456789101112GPO1VASDIONCNCRCLKSENFMIRFGNDSCLKGNDNCNCRSTGNDAMI242322212019181716151413