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SI4734-C40-GM

Description
IC RX AM/FM/SW/LW RADIO 20UQFN
CategoryAnalog mixed-signal IC    Consumption circuit   
File Size351KB,42 Pages
ManufacturerSilicon Laboratories Inc
Environmental Compliance
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SI4734-C40-GM Overview

IC RX AM/FM/SW/LW RADIO 20UQFN

SI4734-C40-GM Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSilicon Laboratories Inc
Parts packaging codeQFN
package instructionROHS COMPLIANT, QFN-20
Contacts20
Reach Compliance Codeunknown
ECCN codeEAR99
Commercial integrated circuit typesAUDIO SINGLE CHIP RECEIVER
Number of terminals20
Package body materialUNSPECIFIED
Package formCHIP CARRIER
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
surface mountYES
Terminal formNO LEAD
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
Si4734/35-C40
B
ROADCAST
AM/FM R
ADIO
R
ECEIVER
Features
Worldwide FM band support
AM/FM/SW/LW digital tuning
EN55020 compliant
No manual alignment necessary
Programmable reference clock
Volume control
Adjustable soft mute control
RDS/RBDS processor (Si4735)
Optional digital audio out (Si4735)
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
(64–108 MHz)
Worldwide AM band support
(520–1710 kHz)
SW band support
(2.3–26.1 MHz)
LW band support
(153–279 kHz)
Excellent real-world performance
Freq synthesizer with integrated VCO
Advanced 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
Ordering Information:
See page 32.
Pin Assignments
Si4734/35 (QFN)
GPO3/DCLK
17
10
VIO
GPO2/INT
GPO1
air loop antennas supported
QFN and SSOP packages
RoHS compliant
NC
1
FMI 2
RFGND 3
20
19
18
16
15 DOUT
Applications
Description
The Si4734/35 is the first digital CMOS AM/FM radio receiver IC that integrates
the complete tuner function from antenna input to audio output.
Si4734/35 (SSOP)
DOUT
DFS
GPO3/DCLK
GPO2/INT
GPO1
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
LOUT
ROUT
DBYP
VDD
VIO
RCLK
SDIO
SCLK
SEN
RST
GND
GND
Functional Block Diagram
FM / SW
ANT
FMI
LNA
AGC
AM / LW
ANT
AMI
RFGND
LNA
AGC
2.7–5.5 V (QFN)
2.0–5.5 V (SSOP)
VDD
GND
LDO
AFC
ADC
ADC
DSP
DAC
LOUT
Si4734/35
RDS
(Si4735)
LOW-IF
DIGITAL
AUDIO
(Si4735)
DOUT
DFS
GPO/DCLK
NC
NC
FMI
RFGND
NC
NC
DAC
ROUT
AMI
CONTROL
INTERFACE
VIO
1.85-3.6 V
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.
SEN
SCLK
Rev. 1.0 12/09
Copyright © 2009 by Silicon Laboratories
RCLK
SDIO
RST
RCLK
SCLK
Table and portable radios
Stereos
Mini/micro systems
CD/DVD players
Boom boxes
SEN
SDIO
Modules
Clock radios
Mini HiFi
Entertainment systems
AMI 4
RST 5
6
7
GND
PAD
8
9
11 VDD
Si4734/35-C40
DFS
14 LOUT
13 ROUT
12 GND
NC
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