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Si4704/05-D50
B ROADCAST F M R ADIO R ECEIVER FOR C ON SUMER
E LECTRONICS
Features
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?
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?
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Worldwide FM band support
(64–108 MHz)
RDS/RBDS decoding engine
(Si4705 only)
Lowest power consumption
Received signal quality indicators
On-chip tuned resonance for
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?
?
?
?
Automatic gain control (AGC)
Integrated FM LNA
Image-rejection mixer
Frequency synthesizer with
integrated VCO
Low-IF direct conversion with no
external ceramic filters
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?
embedded antenna support
Multipath detection and mitigation
FM Hi-cut control
Advanced FM stereo-mono blend
Advanced audio processing
Not EN 55020 compliant*
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2.7 to 5.5 V supply voltage
Dual 1.8 and 2.7 V power supplies
Stereo audio out
I 2 S Digital audio out
20-pin 3 x 3 mm QFN package
?? Pb-free/RoHS compliant
Ordering Information:
See page 27.
Pin Assignments
Si4704/05-GM
*Note: *For consumer electronics applications that require EN 55020 compliance,
use Si4704/05-D60.
Applications
(Top View)
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Cellular handsets
Portable media devices
Dedicated data receiver
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Personal navigation devices (PND)
GPS-enabled handsets and portable
devices
NC 1
FMI 2
20 19 18 17 16
15 DOUT
RFGND 3
GND
14 LOUT
Description
LPI 4
PAD
13 ROUT
The Si4704/05-D50 FM/RDS/RDBS receivers provide the highest performance
and lowest power consumption available for portable devices today. The 100%
RST 5
6
7
8
9
12 GND
10 11 VA
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.
Functional Block Diagram
This product, its features, and/or its
FM Antenna
Si4704/05
architecture is covered by one or
more of the following patents, as well
FMI
ADC
DAC
LOUT
as other patents, pending and
RFGND
LPI
LNA
AGC
0/90
PGA
ADC
DSP
DAC
ROUT
GPO
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.
32.768 kHz (TYP)
RCLK
AFC
RSSI
RDS
(Si4705)
DCLK
DOUT
2.7–5.5 V
VA
REG
XTAL
OSC
CONTROL
INTERFACE
DFS
Rev. 1.0 12/10
Copyright ? 2010 by Silicon Laboratories
Si4704/05-D50
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相关代理商/技术参数
SI4706-B10-GM 制造商:Silicon Laboratories Inc 功能描述:
SI4706-B20-GM 功能描述:IC FM RADIO TUNER 20-QFN RoHS:是 类别:RF/IF 和 RFID >> RF 接收器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 09/Jan/2012 标准包装:50 系列:* 频率:850MHz ~ 2.175GHz 灵敏度:- 数据传输率 - 最大:- 调制或协议:- 应用:* 电流 - 接收:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 特点:- 电源电压:4.75 V ~ 5.25 V 工作温度:0°C ~ 85°C 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘
SI4706-B-EVB 功能描述:BOARD EVALUATION FOR SI4706-B RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
SI4706-C30-GM 功能描述:IC FM RADIO TUNER 20-QFN RoHS:是 类别:RF/IF 和 RFID >> RF 接收器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 09/Jan/2012 标准包装:50 系列:* 频率:850MHz ~ 2.175GHz 灵敏度:- 数据传输率 - 最大:- 调制或协议:- 应用:* 电流 - 接收:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 特点:- 电源电压:4.75 V ~ 5.25 V 工作温度:0°C ~ 85°C 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘
SI4706-C-EVB 功能描述:BOARD EVALUATION FOR SI4706-C RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
SI4706-D50-EVB 功能描述:BOARD EVAL SI4706-D50 20-QFN RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
Si4706-D50-GM 功能描述:射频接收器 Adv Hi-perf FM RDS TMC Rcvr Mobile Dev RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel
Si4706-D50-GMR 功能描述:射频接收器 Adv Hi-perf FM RDS TMC Rcvr Mobile Dev RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel