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SI4731-D50 データシート(PDF) 1 Page - Silicon Laboratories

部品番号 SI4731-D50
部品情報  BROADCAST AM/FM RADIO RECEIVER
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メーカー  SILABS [Silicon Laboratories]
ホームページ  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI4731-D50 データシート(HTML) 1 Page - Silicon Laboratories

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Rev. 1.0 2/11
Copyright © 2011 by Silicon Laboratories
Si4730/31-D50
Si4730/31-D50
B ROADCAST AM/FM R ADIO R ECEIVER
Features
*Note:
For consumer electronics applications, use Si4730/31-D60 for worldwide
CE and EN compliance.
Applications
Description
The Si4730/31-D50 is the fourth generation digtial CMOS AM/FM radio receiver
IC from Silicon Labs. The Si4730/31-D50 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
Integrated VCO
Advanced AM/FM seek tuning
AM/FM digital 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
Advanced audio processing
No manual alignment necessary
Programmable reference clock
Volume control
Adjustable soft mute control
RDS/RBDS processor (Si4731 only)
I2S digital audio out
2-wire and 3-wire control interface
Integrated LDO regulator
Wide range of ferrite loop sticks and
air loop antennas supported
QFN package
RoHS compliant
Not suitable for wall-plugged
consumer electronic applications*
Cellular handsets
MP3 players
Portable navigation
Mobile Internet Devices
USB FM radio
Tablets
eBooks
ADC
ADC
Si473x
DSP
DAC
DAC
FMI
FM
ANT
VD
1.62–3.6 V
CONTROL
INTERFACE
ROUT
LOUT
LDO
VA
GND
2.7– 5.5 V
RDS
(Si4731)
AM
ANT
RFGND
AMI
LNA
LNA
LOW-IF
DIGITAL
AUDIO
DOUT
DFS
GPO/DCLK
AGC
AGC
AFC
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 26.
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
VA
FMI
RFGND
Si4730/31


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