Si4827-A10 BROADCAST ANALOG TUNING DIGITAL DISPLAY AM/FM/SW RADIO RECEIVER Features Worldwide FM band support Minimal BOM components with no (64109 MHz) manual alignment Worldwide AM band support Excellent real-world performance (5041750 kHz) China TV channels audio carrier SW band support (2.328.5 MHz) reception in FM band Selectable support for all AM/FM/SW 2.0 to 3.6 V supply voltage regional bands Wide range of ferrite loop sticks and Enhanced FM/SW band coverage air loop antenna support 2-wire control interface 16-pin SOIC package Ordering Information: Mono output RoHS compliant See page 19. Not EN55020 compliant * Valid station indicator *Note: For consumer applications that Digital volume support require EN 55020 compliance, use Bass/Treble support Pin Assignments Si4844-B. Applications Si4827-A10 (SOIC) Table and portable radios Modules for consumer electronics 1 Boom boxes Toys, lamps, and any application IRQ 16 AOUT 2 15 GND needing an AM/FM/SW radio TUNE1 Clock radios 3 TUNE2 14 VDD 4 13 XTALI BAND Description 5 NC 12 XTALO/LNA EN 6 11 FMI SCLK The Si4827 is an entry level analog-tuned digital-display digital CMOS AM/FM/SW 7 RFGND 10 SDIO radio receiver IC that integrates the complete receiver function from antenna input 8 AMI 9 RST 2 to audio output. Working with Host MCU (I C-compatible 2-wire control interface), frequencies information can be displayed on LCD while the analog-tune features are kept. The Si4827 enhances the FM and SW band coverage, and further This product, its features, and/or its supports China TV channels audio reception in FM band. The superior control architecture is covered by one or more of algorithm integrated in the Si4827 provides an easy and reliable control interface the following patents, as well as other while eliminating all the manual tuned external components used in traditional patents, pending and issued, both solutions. foreign and domestic: 7,127,217 7,272,373 7,272,375 7,321,324 Functional Block Diagram 7,355,476 7,426,376 7,471,940 7,339,503 7,339,504. Si4827 Si4830/34 AMI ADC AM LNA DSP DAC AOUT RFGND ANT ADC FM AGC ANT FMI 0/90 TUNE1/2 ADC AFC CONTROL INTERFACE XTALI BAND 2.0~3.6V VDD XTAL REG OSC Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Rev. 1.0 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice October 7, 2021 IRQ SCLK SDIO RSTSi4827-A10 2 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Rev. 1.0 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice October 7, 2021