Si4684-A10 Single-Chip, FM/DAB/DAB+ Radio Receiver Description Features The Si4684 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 - DAB, DAB+ Band III support (168240 MHz) cost-effective digital radio solution integrating the RF tuner, - Supports WorldDMB Receiver Profiles 1 and 2 baseband and audio processing on a single die. The high - Integrated OFDM channel demodulator level of integration provides significant customer benefits - Integrated de-interleaving SRAM 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 Si4684 offers VHF Band III (168-240 MHz) reception - Full range of signal quality metrics capability and is fully compliant with ETSI EN 300 401 and - Fully-integrated VCO / PLL / synthesizer ETSI TS 102 563. The Si4688 supports DAB and DAB+ via 2 - SPI and I C host control interfaces an integrated source decoder that supports both MPEG - WLCSP 62-ball, 3.2x3.77x0.59 mm Audio Layer 2 (DAB) and HE-AAC V2 (DAB+). The Si4684 - QFN 48-pin, 7x7x0.85 mm supports data services such as Dynamic Labels, Intellitext, Applications Electronic Program Guide (EPG), Slideshow and - Mobile phones and tablets Journaline with the appropriate external decoders. - Clock and tabletop radios The Si4684 additionally supports worldwide FM radio - Stereo boomboxes reception and incorporates a fully integrated decoder for - Mini/micro systems the European Radio Data System (RDS) and the North - Docking stations American Radio Broadcast Data System (RDBS) including - Personal navigation devices 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 Si4684-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 RSTBSi4684-A10 Single-Chip, FM/DAB/DAB+ Radio Receiver Selected Electrical Specifications Parameter Symbol Test Conditions Min Typ Max Units 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 DAB/DAB+ Input Frequency F 168 240 MHz rf Enable Acquisition Time 940 ms Si4684-A10-GM (QFN) Si4684-A10-GD (WLCSP) Dimension Min Nom Max Dimension Min Nom Max A 0.80 0.85 0.90 A 0.55 0.59 0.63 A1 0.00 0.02 0.05 A1 0.18 0.20 0.22 b 0.18 0.25 0.30 b 0.22 0.27 0.32 D 7.00 BSC D 3.20 BSC. D2 5.20 5.30 5.40 E 3.77 BSC. e 0.50 BSC d 0.40 BSC. E 7.00 BSC e 0.40 BSC. E2 5.20 5.30 5.40 D1 2.40 BSC. L 0.30 0.40 0.50 E1 3.20 BSC. aaa 0.15 aaa 0.10 bbb 0.10 bbb 0.10 ddd 0.05 ccc 0.03 eee 0.08 ddd 0.15 Notes: eee 0.05 1. All dimensions are shown in millimeters (mm) unless otherwise Notes: noted. 1. All dimensions shown are in millimeters (mm) unless otherwise 2. Dimensioning and tolerancing per ASME Y14.5M-1994. noted. 3. This drawing conforms to JEDEC Outline MO-220, Variation 2. Dimensioning and Tolerancing per ANSI Y14.5M-1994. VKKD-4. 3. Primary datum and seating plane are defined by the spherical 4. Recommended card reflow profile is per the JEDEC/IPC J- crowns of the solder balls. STD-020 specification for Small Body Components. 4. Dimension is measured at the maximum solder bump diameter, 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