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参数资料
型号： SI4736-C40-GU
厂商： Silicon Laboratories Inc
文件页数： 1/42页
文件大小： 0K
描述： IC RX AM/FM/WB RADIO 24SSOP
标准包装： 490
频率： 520kHz ~ 1.71MHz，64MHz ~ 108MHz，162.4MHz ~ 162.55MHz
调制或协议： AM，FM，WB
应用： 通用
电流 - 接收： 19.9mA
数据接口： PCB，表面贴装
天线连接器： PCB，表面贴装
特点： 配有 RSSI
电源电压： 2 V ~ 5.5 V
工作温度： -20°C ~ 85°C
封装/外壳： 24-SSOP（0.154"，3.90mm 宽）
供应商设备封装： 24-SSOP
包装： 托盘
Si4736/37/38/39-C40
B ROADCAST AM/FM R ADIO R ECEIVER
Features
? NOAA weather band support
(162.4–162.55 MHz)
? AM/FM/WB digital tuning
? No manual alignment necessary
?
?
Worldwide FM band support
(64–108 MHz)
Worldwide AM band support
? Programmable reference clock
? Volume control
? Adjustable soft mute control
?
?
?
?
?
?
?
?
?
(520–1710 kHz) (Si4736/37)
1050 Hz alert tone detection
Excellent real-world performance
Freq synthesizer with integrated VCO
Advanced AM/FM seek tuning
Automatic frequency control (AFC)
Automatic gain control (AGC)
Digital FM stereo decoder
Programmable AVC max gain
Programmable de-emphasis
? RDS/RBDS processor (Si4737/39)
? Optional digital audio out (Si4737/39)
? 2-wire and 3-wire control interface
? Integrated LDO regulator
? 2.0 to 5.5 V supply voltage (SSOP)
? 2.7 to 5.5 V supply voltage (QFN)
? Wide range of ferrite loop sticks and
air loop antennas supported
? QFN and SSOP packages
? RoHS compliant
Ordering Information:
See page 32.
Pin Assignments
Si4736/37/38/39 (QFN)
Applications
NC
1
20
19
18
17
16
?
Emergency radios
?
Boom boxes
FMI 2
15 DOUT
?
?
?
Table and portable radios
Stereos
Mini/micro systems
?
?
?
Modules
Clock radios
Mini HiFi
RFGND 3
AMI 4
RST 5
GND
PAD
14 LOUT
13 ROUT
12 GND
Description
6
7
8
9
10
11 VDD
The Si4736/37/38/39 is the first digital CMOS AM/FM radio receiver IC that
integrates the complete tuner function from antenna input to audio output.
Si4736/37 (SSOP)
DOUT
1
24
LOUT
Functional Block Diagram
Si473x
DFS
GPO3/DCLK
GPO2/INT
GPO1
2
3
4
5
23
22
21
20
ROUT
DBYP
VDD
VIO
AM
ANT
FM/
WB
AMI
RFGND
LNA
AGC
ADC
RDS
(Si4737/
39)
LOW-IF
DIGITAL
AUDIO
(Si4737/
39)
DAC
DOUT
DFS
GPO/DCLK
ROUT
NC
NC
FMI
RFGND
NC
NC
AMI
6
7
8
9
10
11
12
19
18
17
16
15
14
13
RCLK
SDIO
SCLK
SEN
RST
GND
GND
ANT
FMI
LNA
DSP
AGC
ADC
DAC
LOUT
This product, its features, and/or its
2.7– 5.5 V (QFN)
2.0– 5.5 V (SSOP) VDD
GND
LDO
AFC
CONTROL
INTERFACE
VIO
1.85–3.6 V
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.
Rev. 1.0 12/09
Copyright ? 2009 by Silicon Laboratories
Si4736/37/38/39-C40
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相关代理商/技术参数
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