Datasheet > SI4704-C40

SI4704-C40

更新时间： 2024-01-05 09:46:36

品牌	Logo	应用领域
芯科 - SILICON		/
页数	文件大小	规格书
36页	376K
描述
Worldwide FM band support (64-108 MHz) integrated antenna support EN55020 compliant

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SI4704-C40 数据手册

Si4704/05-C40

BROADCAST FM RADIO RECEIVER FOR CONSUMER

ELECTRONICS

Features

 Worldwide FM band support

(64–108 MHz)

 Programmable reference clock

 Volume control

 Integrated antenna support

 EN55020 compliant

 Adjustable soft mute control

 RDS/RBDS processor (Si4705)

 Optional digital audio out (Si4705)

 2-wire and 3-wire control interface

 Integrated LDO regulator

 Signal quality measurements

 2.7 to 5.5 V supply voltage

 3x3 mm 20-pin QFN package

 RoHS compliant

 Excellent real-world performance

 Freq synthesizer with integrated VCO

 Advanced FM seek tuning

 Automatic frequency control (AFC)

 Automatic gain control (AGC)

 Digital FM stereo decoder

 Minimal BOM

Ordering Information:

See page 28.

 Programmable de-emphasis

Pin Assignments

Applications

Si4704/05-GM (Top View)



Table and portable radios

Stereos

Mini/micro systems

CD/DVD players

Boom boxes



Modules

Clock radios

Mini HiFi

Entertainment systems

20 19 18 17

FMI

15 DOUT

14 LOUT

13 ROUT

12 GND

11 VDD

Description

RFGND

LPI

GND

PAD

The Si4704/05 integrates all functions required for an advanced broadcast FM

radio receiver, from antenna input to stereo audio output.

RST

Functional Block Diagram

FM Antenna

Si4704/05

This product, its features, and/or its

architecture is covered by one or more of

the following patents, as well as other

patents, pending and issued, both

foreign and domestic: 7,127,217;

ADC

DAC

FMI

LOUT

ROUT

LNA

AGC

PGA

DSP

RFGND

DAC

7,272,373;

7,355,476;

7,272,375;

7,426,376;

7,321,324;

7,471,940;

GPO

LPI

0/90

7,339,503; 7,339,504.

DCLK

DOUT

DFS

32.768 kHz

2.7–5.5 V

RDS

(Si4705)

RSSI

RCLK

VDD

AFC

REG

CONTROL

INTERFACE

XTAL

OSC

Rev. 1.0 12/09

Si4704/05-C40

12 3 4 5 6 7...36

中文翻译

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SI4704-C40-GM	SILICON	获取价格	Audio Single Chip Receiver, 3 X 3 MM, ROHS COMPLIANT, QFN-20
SI4704-D50	SILICON	获取价格	BROADCAST FM RADIO RECEIVER FOR CONSUMER
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SI4704-D60	SILICON	获取价格	BROADCAST FM RADIO RECEIVER WITH RDS/RBDS
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SI4704-D60-GU	SILICON	获取价格	Audio Single Chip Receiver, FM, CMOS, QFN-20
Si4704-D60-GU2	SILICON	获取价格	BROADCAST FM RADIO RECEIVER WITH RDS/RBDS
SI4704-D60-GUR	SILICON	获取价格	Audio Single Chip Receiver, FM, CMOS, QFN-20
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