Datasheet > SI4735-B20-GM

SI4735-B20-GM

更新时间： 2024-01-02 07:28:57

品牌	Logo	应用领域
芯科 - SILICON		/
页数	文件大小	规格书
24页	180K
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数据手册

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SI4735-B20-GM 数据手册

Si473x-B20

BROADCAST MULTI-BAND RADIO RECEIVER

Features

 FM band support: 76–108 MHz

 AM band support: 520–1710 kHz

 SW band support: 2.3–21.85 MHz

(Si4734/35)

 LW band support: 153–279 kHz

(Si4734/35)

 Adaptive noise suppression

 AM/FM digital tuning

 EN55020 compliant

 No manual alignment necessary

 Programmable reference clock

 Volume control

 Weather band support: 162.4–

162.55 MHz (Si4736/37/38/39)

 1050 Hz alert tone detection

(Si4736/37/38/39)

 Excellent real-world performance

 Freq synthesizer with integrated VCO

 Advanced seek tuning

 Automatic frequency control (AFC)

 Automatic gain control (AGC)

 Integrated LDO regulator

 Digital FM stereo decoder

 Programmable de-emphasis

 Programmable soft mute control

 RDS/RBDS processor

(Si4731/35/37/39)

 Optional digital audio output

(Si4731/35/37/39)

 2-wire control interface

 2.7 to 5.5 V supply voltage

 Firmware upgradeable

 Wide range of ferrite loop sticks and

air loop antennas supported

 3 x 3 x 0.55 mm 20-pin QFN package

 Pb-free/RoHS compliant

Ordering Information:

See page 18.

Pin Assignments

Si473x-GM

(Top View)

Applications

20 19 18 17

FMI



Table and portable radios

Audio video receivers

Stereos

Mini/micro systems

CD/DVD players



Cellular handsets

Emergency radios

Clock radios

Modules

Mini HiFi

Boom boxes

15 DOUT

14 LOUT

13 ROUT

12 GND

11 VDD

RFGND

AMI

GND

PAD

RST

Portable media players

Si473x Product Selector Guide

Part



RDS



SW/LW

Patents Pending

Si4730

Si4731

Si4734

Si4735

Si4736

Si4737

Si4738

Si4739

76 – 108 MHz

64 – 108 MHz

76 – 108 MHz



Notes:

1. Place Si473x as close as

possible to antenna jack and

keep the FMI and AMI traces as

short as possible.

2. Contact your local sales

representatives for more

information or to obtain

application notes.



Rev. 0.5 10/08

Si473x-B20

12 3 4 5 6 7...24

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