Si4836-A10 BROADCAST MECHANICAL TUNING AM/FM/SW RADIO RECEIVER Features Worldwide FM band support Station and stereo LED indicators (64109 MHz) China TV channels audio carrier Worldwide AM band support reception in FM band (5041750 kHz) Automatic frequency control (AFC) SW band support Integrated LDO regulator (2.328.5 MHz) 2.0 to 3.6 V supply voltage No manual alignment necessary Wide range of ferrite loop sticks and Stereo audio output air loop antennas supported Selectable support AM/FM/SW 16-pin SOIC Ordering Information: regional bands RoHS-compliant See page 14. Enhanced FM/SW band coverage Bass/Treble control EN55020 compliant Pin Assignments Applications Table and portable radios Modules Si4836-A10 (SOIC) Mini/micro systems Clock radios CD/DVD players Mini HiFi 1 LOUT 16 ROU T Boom boxes Entertainment systems 2 TUN E 1 15 GND 3 TUN E2 14 VD D 4 XTAL I BA ND 13 Description 5 NC 12 XTAL O 6 FMI 11 STATI ON The Si4836 is the high performance receiver function from antenna input to audio 7 RFGND 10 STER EO/ L NA E N output. The Si4836 extends Skyworks multi-band tuner family, and further 8 9 AMI RS T increases the ease and attractiveness of design radio reception to audio devices through small size and board area, minimum component count, and superior, proven performance. Si4836 enhances the FM and SW band coverage, further supports China TV channels audio reception in FM band. The Si4836 removes any requirements for manually tuning components during the manufacturing process. The receiver has very low power consumption, runs off two AAA This product, its features, and/or its batteries, and delivers the performance benefits of digital tuning to the analog architecture is covered by one or more of radio market. the following patents, as well as other patents, pending and issued, both Functional Block Diagram foreign and domestic: 7,127,217 7,272,373 7,272,375 7,321,324 Si4836 7,355,476 7,426,376 7,471,940 7,339,503 7,339,504. DAC AMI ADC LOUT AM LNA DSP RFGND ANT ADC DAC ROUT FM AGC ANT FMI 0/90 TUNE1/2 ADC XTALI AFC CONTROL INTERFACE 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 September 28, 2021 Stereo Station Tone RSTSi4836-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 September 28, 2021