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Si4730-C40-GU Scheda tecnica(PDF) 1 Page - Silicon Laboratories

Il numero della parte Si4730-C40-GU
Spiegazioni elettronici  BROADCAST AM/FM RADIO RECEIVER
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Produttore elettronici  SILABS [Silicon Laboratories]
Homepage  http://www.silabs.com
Logo SILABS - Silicon Laboratories

Si4730-C40-GU Scheda tecnica(HTML) 1 Page - Silicon Laboratories

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Rev. 1.0 12/09
Copyright © 2009 by Silicon Laboratories
Si4730/31-C40
Si4730/31-C40
B ROADCAST AM/FM R ADIO R ECEIVER
Features
Applications
Description
The Si4730/31 is the first digital CMOS AM/FM radio receiver IC that integrates
the complete tuner function from antenna input to audio output.
Functional Block Diagram
Worldwide FM band support
(64–108 MHz)
Worldwide AM band support
(520–1710 kHz)
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
Seven selectable AM channel filters
AM/FM digital tuning
EN55020 compliant
No manual alignment necessary
Programmable reference clock
Volume control
Adjustable soft mute control
RDS/RBDS processor (Si4731)
Optional digital audio out (Si4731)
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
Table and portable radios
Stereos
Mini/micro systems
CD/DVD players
Boom boxes
Modules
Clock radios
Mini HiFi
Entertainment systems
ADC
ADC
Si473x
DSP
DAC
DAC
FMI
FM
ANT
VIO
1.85–3.6 V
CONTROL
INTERFACE
ROUT
LOUT
LDO
VDD
GND
2.7– 5.5 V (QFN)
RDS
(Si4731)
AM
ANT
RFGND
AMI
LNA
LNA
LOW-IF
DIGITAL
AUDIO
(Si4731)
DOUT
DFS
GPO/DCLK
AGC
AGC
AFC
2.0– 5.5 V (SSOP)
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.
Ordering Information:
See page 31.
Pin Assignments
GND
PAD
1
2
3
17
18
19
20
11
12
13
14
6
7
8
9
4
5
16
10
15 DOUT
LOUT
ROUT
GND
RST
NC
AMI
VDD
FMI
RFGND
Si4730/31 (SSOP)
LOUT
ROUT
DBYP
VIO
GPO2/INT
GPO3/DCLK
DOUT
DFS
1
2
3
4
5
6
7
8
9
10
11
12
GPO1
VDD
SDIO
NC
NC
RCLK
SEN
FMI
RFGND
SCLK
GND
NC
NC
RST
GND
AMI
24
23
22
21
20
19
18
17
16
15
14
13
Si4730/31 (QFN)


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