Si4732-A10 Broadcast AM/FM/SW/LW/RDS Radio Receiver Description Features The Si4732-A10 digital CMOS AM/FM/SW/LW/RDS radio - Worldwide FM band support (64108 MHz) receiver IC integrates the complete broadcast tuner and - Worldwide AM band support (5201710 kHz) receiver function from antenna input to digital audio output. - SW band support (2.326.1 MHz) The device leverages the Skyworks broadcast proven - LW band support (153279 kHz) digital low-IF architecture, enabling a cost-effective digital - Excellent real-world performance with integrated audio platform for consumer electronic applications with AM/FM/SW/LW/RDS high TDMA noise immunity, superior radio performance, - Integrated VCO and high fidelity audio power amplification. Offering - Advanced AM/FM seek tuning unmatched integration and PCB space savings, the - Automatic frequency control (AFC) Si4732-A10 requires only a few external components and 2 - Automatic gain control (AGC) less than 15 mm of board area, excluding the antenna - Digital FM stereo decoder inputs. The Si4732-A10 AM/FM/SW/LW/RDS radio - Programmable de-emphasis provides the space savings and low power consumption necessary for portable devices while delivering the high - Advanced Audio Processing performance and design simplicity desired for all - Seven selectable AM channel filters AM/FM/SW/LW/RDS solutions. - AM/FM/SW/LW digital tuning Leveraging Skyworks proven and patented Si4700/01 FM - EN55020 compliant tuner s digital low intermediate frequency (low-IF) receiver - No manual alignment necessary architecture, the Si4732-A10 delivers superior RF - Programmable reference clock performance and interference rejection in the AM, FM, SW, - Adjustable soft mute control and LW bands. The high level of integration and complete - RDS/RBDS processor system production test simplifies design-in, increases - Digital audio out system quality, and improves reliability and - 2-wire and 3-wire control interface manufacturability. - Integrated LDO regulator - Wide range of ferrite loop sticks and air loop antennas supported - SOIC package - RoHS compliant Applications - 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 systems FM / SW ANT Si4732-A10 FMI RDS DIGITAL LNA AUDIO GPO/DCLK LOW-IF AGC AM / LW AMI Mu x ADC DAC ROUT/DOUT ANT LNA DSP RFGND Mux ADC DAC LOUT/DFS AGC 2.7~3.6 V (SOIC) VDD CONTROL LDO AFC + INTERFACE GND Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice September 13, 2021 RCLK SEN SCLK SDIO RSTSi4732-A10 Broadcast AM/FM/SW/LW/RDS Radio Receiver Ordering Guide Part Number* Description Package Operating Type Temperature/Voltag e AM/FM/SW/LW/RDS Broadcast Radio 16L SOIC 20 to 85 C Si4732-A10-GS Receiver Pb-free 2.7 to 3.6 V *Note: Add an (R) at the end of the device part number to denote tape and reel option. The devices will typically operate at 25 C with degraded specifications for V voltage ramped down to 2.0 V. DD Pin Assignments 16L SOICPackage Information 1 16 ROUT/DOUT LOUT/DFS 2 15 GPO3/DCLK GND 3 14 GPO2/INTB VDD 4 GPO1 13 RCLK 5 NC 12 SDIO 6 FMI 11 SCLK 7 RFGND 10 SENB 8 AMI 9 RST Table 1. Package Dimensions Dimension Min Max Dimension Min Max A 1.75 L 0.40 1.27 A1 0.10 0.25 L2 0.25 BSC A2 1.25 h 0.25 0.50 b 0.31 0.51 0 8 c 0.17 0.25 aaa 0.10 D 9.90 BSC bbb 0.20 E 6.00 BSC ccc 0.10 E1 3.90 BSC ddd 0.25 e 1.27 BSC Notes: 1. All dimensions shown are in millimeters (mm) unless otherwise noted. 2. Dimensioning and Tolerancing per ANSI Y14.5M-1994. 3. This drawing conforms to the JEDEC Solid State Outline MS-012, Variation AC. 4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice September 13, 2021