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Si4831-B30

Silicon Laboratories
Part Number Si4831-B30
Manufacturer Silicon Laboratories
Description BROADCAST MECHANICAL TUNING AM/FM/SW RADIO RECEIVER
Published Oct 19, 2014
Detailed Description Si4831/35-B30 BROADCAST MECHANICAL TUNING AM/FM/SW RADIO RECEIVER Features  Worldwide FM band support (64–109 MHz)  ...
Datasheet PDF File Si4831-B30 PDF File

Si4831-B30
Si4831-B30


Overview
Si4831/35-B30 BROADCAST MECHANICAL TUNING AM/FM/SW RADIO RECEIVER Features  Worldwide FM band support (64–109 MHz)  Worldwide AM band support (504–1750 kHz)  SW band support (Si4835 only) (5.
6–22 MHz)  Excellent real-world performance  EN55020-compliant  No manual alignment necessary  Flexible band selections Applications  Table and portable radios  Stereos  Mini/micro systems  CD/DVD players  Boom boxes Description  Automatic frequency control (AFC)  Integrated LDO regulator  2.
0 to 3.
6 V supply voltage  Wide range of ferrite loop sticks and air loop antennas supported  24-pin SSOP  RoHS-compliant  Supports station and stereo LED indicators  Direct volume control  Bass and treble tone control  Modules  Clock radios  Mini HiFi  Entertainment systems The Si4831/35-B30 is the 2nd generation mechanical-tuned digital CMOS AM/FM/SW radio receiver IC that integrates the complete receiver function from antenna input to audio output.
Like other successful audio products from Silicon Labs, Si4831/35-B30 offers unmatched integration and PCB space savings with minimum external components and a small board area.
The Si4831/35-B30 requires a simple application circuit and removes any requirements for manually tuning components during the manufacturing process.
The Si4831/35-B30 is a very simple product to design, manufacture, and support across multiple product lines.
The receiver has very low power consumption, runs off two AAA batteries, and delivers the performance benefits of digital tuning to the analog radio market.
Functional Block Diagram AM ANT FM/SW ANT AMI RFGND FMI LNA AGC 0/90 XTALI 2.
0~3.
6V VDD1/2 AFC REG XTAL OSC SSi4i4883301//3354 ADC DAC LOUT DSP ADC DAC ROUT CONTROL INTERFACE ADC TUNE 1/2 BAND Ordering Information: See page 13.
Pin Assignments Si4831/35-B30 (SSOP) STEREO STATION TUNE1 TUNE2 BAND NC NC FMI RFGND NC NC AMI 1 2 3 4 5 6 7 8 9 10 11 12 24 LOUT 23 ROUT 22 DBYP 21 VDD2 20 VDD1 19 XTALI 18 XTALO 17 VOL-/BAS...


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