SI4706

更新时间： 2024-02-03 13:46:39

品牌	Logo	应用领域
芯科 - SILICON		消费电路商用集成电路接收器集成电路
页数	文件大小	规格书
36页	1353K
描述
在全球FM频段支持（ 76-108 MHz）的集成天线的支持EN55020标准 [Worldwide FM band support (76-108 MHz) integrated antenna support EN55020 compliant]

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技术参数
数据手册

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SI4706 技术参数

生命周期：	Active	零件包装代码：	QFN
包装说明：	,	针数：	20
Reach Compliance Code：	unknown	风险等级：	5.7
Is Samacsys：	N	商用集成电路类型：	AUDIO DEMODULATOR
JESD-30 代码：	S-XQCC-N20	端子数量：	20
封装主体材料：	UNSPECIFIED	封装形状：	SQUARE
封装形式：	CHIP CARRIER	认证状态：	Not Qualified
表面贴装：	YES	端子形式：	NO LEAD
端子位置：	QUAD	Base Number Matches：	1

SI4706 数据手册

Si4706-D50

HIGH-PERFORMANCE FM AND RDS/RBDS RECEIVER

Features



Worldwide FM band support

(76–108 MHz)

Advanced patented RDS/RBDS

decoding engine

Lowest power consumption

Outstanding RDS sensitivity,

synchronization, and reliability

Received signal quality indicators

On-chip tuned resonance for

embedded antenna support

Multipath detection and mitigation

FM Hi-cut control



Automatic gain control (AGC)

Integrated FM LNA

Image-rejection mixer

Frequency synthesizer with

integrated VCO

Low-IF direct conversion with no

external ceramic filters

2.7 to 5.5 V supply voltage

Dual 1.8 and 2.7 V power supplies

Stereo audio out

I²S Digital audio out

20-pin 3 x 3 mm QFN package

Pb-free/RoHS compliant



Ordering Information:

See page 29.



Pin Assignments

Advanced FM stereo-mono blend

Si4706-GM

(Top View)

Applications



Cellular handsets

Portable media devices

Dedicated data receiver



Personal navigation devices (PND)

GPS-enabled handsets and portable

devices

20 19 18 17

FMI

Description

15 DOUT

14 LOUT

13 ROUT

12 GND

11 VA

The Si4706-D50 FM/RDS/RDBS receiver provides the highest performance and

lowest power consumption available for portable devices today. The 100% CMOS

IC integrates the complete FM and data receiver function from antenna to analog

or digital audio and data out in a single 3 x 3 mm 20-pin QFN.

RFGND

LPI

GND

PAD

RST

Functional Block Diagram

Half-wavelength

antenna

Si4706

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; 7,272,373; 7,272,375;

7,321,324; 7,355,476; 7,426,376;

7,471,940; 7,339,503; 7,339,504.

FMI

ADC

DAC

LOUT

ROUT

Embedded

antenna

LNA

AGC

PGA

DSP

LPI

DAC

RFGND

GPO

0/90

DCLK

DOUT

DFS

32.768 kHz

(TYP)

RCLK

RSSI

RDS

AFC

REG

CONTROL

INTERFACE

2.7–5.5 V

XTAL

OSC

Rev. 1.0 7/10

Si4706-D50

12 3 4 5 6 7...36

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