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SI4731-D60

更新时间： 2024-11-10 00:34:47
品牌 Logo 应用领域
芯科 - SILICON /
页数 文件大小 规格书
3页 990K
描述
Broadcast AM/FM Radio Receiver

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SI4731-D60 数据手册

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Si4730/31-D60  
Broadcast AM/FM Radio Receiver  
Description  
Features  
The Si4730/31 is the industry's first fully integrated, 100%  
CMOS AM/FM radio receiver IC. The Si4730/31-D60 AM/  
FM radio delivers excellent performance and is simple to  
design-in. Available in a small 3 x 3 mm QFN package, the  
Si4730/31 offers unmatched integration and PCB space  
savings with a minimal number of external components  
and no factory tuned components.  
- Worldwide FM band support (64–108 MHz)  
- Worldwide AM band support (520–1710 kHz)  
- AM/FM digital tuning  
- EN55020 compliant  
- FM multipath detection and mitigation  
- FM hi-cut control  
- Advanced stereo blend  
- AUXIN stereo ADC  
Leveraging Silicon Laboratories' proven and patented  
digital receiver architecture, the Si4730/31 delivers  
superior RF performance and interference rejection in both  
AM and FM bands. The high integration and complete  
system production test simplifies design-in, increases  
system quality, and improves manufacturability.  
- No manual alignment required  
- Seven selectable AM channel filters  
- Advanced AM/FM seek tuning  
- Programmable AVC max gain  
- Frequency synthesizer with integrated VCO  
- Automatic frequency control (AFC)  
- Programmable de-emphasis  
The Si4730/31 solution includes advanced seek  
algorithms, multipath detection and mitigation, adjustable  
soft mute, FM hi-cut control, smart tune, and FM stereo  
processing. In addition, the Si4730/31 provides an auxiliary  
input to support a full digital system architecture.  
- Digital FM stereo decoder  
- Integrated LDO regulator  
The Si4730/31 utilizes digital processing to achieve high  
fidelity, optimal performance, and design flexibility. The  
chip provides excellent pilot rejection, selectivity, and  
unmatched audio performance, and offers both the  
manufacturer and the end-user extensive programmability  
and flexibility in listening experience.  
- Wide range of ferrite and air loop antennas supported  
- Advanced FM RDS/RBDS processor  
- QFN and SSOP Pb-free/RoHS compliant package  
Applications  
- Audio video receivers  
- Mini/micro systems  
- Home theater systems  
- Docking stations  
- Blu-ray / DVD players  
- Table / clock radios  
- Boomboxes  
The Si4731-D60 incorporates an advanced digital  
processor for the European Radio Data System (RDS) and  
the North American Radio Broadcast Data System (RBDS)  
including  
all  
required  
symbol  
decoding,  
block  
synchronization, error detection, and error correction  
functions. Using this feature, the Si4731 enables broadcast  
data such as station identification and song name to be  
displayed to the end user.  
Pin Assignments  
Si473x (QFN)  
FM / SW  
RIN  
Si473x-D60  
ANT  
LIN  
20 19 18 17  
NC  
FMI  
1
16  
DOUT  
2
15 DIN  
RDS  
(Si4731)  
FMI  
DIGITAL  
AUDIO  
RFGND  
AMI  
3
4
5
14 LOUT/DFS  
13 ROUT/DOUT  
12 GND  
GND  
PAD  
DFS  
LNA  
AGC  
GPO/DCLK  
RST  
LOW -IF  
DSP  
6
11 VDD  
10  
7
8
9
Mux  
AMI  
RFGND  
ADC  
ADC  
DAC  
DAC  
AM / LW  
ANT  
ROUT  
LOUT  
LNA  
AGC  
Si473x (SSOP)  
Mux  
DOUT/[RIN]  
DFS/[LIN]  
GPO3/[DCLK]  
GPO2/[INT]  
GPO1  
1
2
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
LOUT/[DFS]  
2.7~5.5 V (QFN)  
2.0~5.5 V (SSOP)  
ROUT/[DOUT]  
VA  
3
DBYP  
VA  
CONTROL  
INTERFACE  
LDO  
AFC  
VD  
1.62 - 3.6 V  
4
+
GND  
5
VD  
NC  
RCLK  
SDIO  
SCLK  
SEN  
RST  
6
NC  
7
FMI  
8
RFGND  
NC  
9
10  
11  
12  
NC  
GND  
GND  
AMI  
AM/FM Receiver  
Copyright © 2010 by Silicon Laboratories  
9.17.10  
123

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