Si4682-A10 Single-Chip, FM/HD Radio Receiver Description Features The Si4682 single-chip digital receiver is one member of a - Worldwide FM band support (76108 MHz) family of 100% CMOS digital radio broadcast receiver ICs - Advanced RDS/RBDS decoder from Skyworks. The Si468x family offers a complete and - FM HD Radio support cost-effective digital radio solution integrating the RF tuner, - Integrated IBOC blend baseband and audio processing on a single die. The high - Advanced seek functionality level of integration provides significant customer benefits - Advanced audio DSP processing 2 compared to traditional digital radio solutions including a - I S digital audio out with ASRC reduction in system implementation complexity, validation - Integrated 97 dB stereo audio DAC and testing, and improved reliability and manufacturability. 2 - Concurrent I S/L-R stereo audio out The Si4682 is compatible with the iBiquity Digital and - Full range of signal quality metrics NRSC-5 standards for FM In-Band-On-Channel (IBOC) - Fully-integrated VCO / PLL / synthesizer digital radio broadcasting, integrating digital channel 2 - SPI and I C host control interfaces demodulation and decoding functions, along with audio - WLCSP 62-ball, 3.2x3.77x0.59 mm decoding and IBOC analog-digital blend. The Si4682 is - QFN 48-pin, 7x7x0.85 mm capable of tuning HD Radio reception to cover additional Applications FM frequencies for future IBOC adoption outside of North - Mobile phones and tablets America. The Si4682 additionally supports IBOC - Clock and tabletop radios multicasting, as well as the full-range of HD Radio data - Stereo boomboxes services, such as PSD (Program Service Data), Artist - Mini/micro systems Experience, iTunes Tagging, Bookmark and real-time - Docking stations traffic, with the appropriate external decoders. - Personal navigation devices The Si4682 additionally supports worldwide FM radio reception and incorporates a fully integrated decoder for the European Radio Data System (RDS) and the North American Radio Broadcast Data System (RDBS) including all required symbol decoding, block synchronization, error detection, and error correction functions. For more information, visit the Si468x Digital Radio Receivers web page: www.skyworksinc.com/en/Products/Audio-and-Radio/Si468x-Digital-Radios Si4682-A10 ADC DAC LOUT RFREF LNA DSP VHFI ADC DAC ROUT AGC DCLK RDS I2S DFS VHFSW VHF SW DOUT SCLK CLK FLASH SSB LDOs Control Gen Interface MISO MOSI 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 12, 2021 VIO VA VCORE VMEM XTALI XTALO NVSCLK NVSSB NVMOSI NVMISO INTB RSTBSi4682-A10 Single-Chip, FM/HD Radio Receiver Selected Electrical Specifications Parameter Symbol Test Condition Min Typ Max Unit Ambient Temperature T 40 25 85 C A Analog Supply Voltage V 1.71 1.8 2.0 V A Interface Supply Voltage V 1.62 1.8 3.6 V IO Core Digital Supply Voltage V 1.62 1.8 2.0 V CORE Memory Supply Voltage V 1.62 1.8 2.0 V MEM Analog FM Input Frequency F 76 108 MHz rf Seek Time 60 ms/ch FM HD Input Frequency F 87.5 108 MHz rf Seek Time 120 ms/ch Si4682-A10-GM (QFN) Si4682-A10-GD (WLCSP) Dimension Min Nom Max Dimension Min Nom Max A 0.55 0.59 0.63 A 0.80 0.85 0.90 A1 0.18 0.20 0.22 A1 0.00 0.02 0.05 b 0.22 0.27 0.32 b 0.18 0.25 0.30 D 3.20 BSC. D 7.00 BSC E 3.77 BSC. D2 5.20 5.30 5.40 d 0.40 BSC. e 0.50 BSC e 0.40 BSC. E 7.00 BSC D1 2.40 BSC. E2 5.20 5.30 5.40 E1 3.20 BSC. L 0.30 0.40 0.50 aaa 0.10 aaa 0.15 bbb 0.10 bbb 0.10 ccc 0.03 ddd 0.05 ddd 0.15 eee 0.08 eee 0.05 Notes: Notes: 1. All dimensions are shown in millimeters (mm) unless otherwise 1. All dimensions shown are in millimeters (mm) unless otherwise noted. noted. 2. Dimensioning and tolerancing per ASME Y14.5M-1994. 2. Dimensioning and Tolerancing per ANSI Y14.5M-1994. 3. This drawing conforms to JEDEC Outline MO-220, Variation 3. Primary datum and seating plane are defined by the spherical VKKD-4. crowns of the solder balls. 4. Recommended card reflow profile is per the JEDEC/IPC J- 4. Dimension is measured at the maximum solder bump diameter, STD-020 specification for Small Body Components. parallel to primary datum. 5. 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 12, 2021