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SI4702-D30-GMR

Description
IC FM radio tuner 20-qfn
CategoryTopical application    Wireless rf/communication   
File Size378KB,44 Pages
ManufacturerSilicon
Environmental Compliance  
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SI4702-D30-GMR Overview

IC FM radio tuner 20-qfn

Si4702/03-D30
B
R O A D C A S T
F M R
A D I O
T
U N E R FOR
P
O R TA B L E
A
P P L I C A T I O N S
Features
This data sheet applies to
Si4702/03-D Firmware 30 and
greater
Worldwide FM band support
(64–108 MHz)
Digital low-IF receiver
Frequency synthesizer with
integrated VCO
Seek tuning
Automatic frequency control (AFC)
Automatic gain control (AGC)
Excellent overload immunity
Signal strength measurement
Programmable de-emphasis
(50/75 µs)
Adaptive noise suppression
Volume control
Line-level analog output
32.768 kHz reference clock
2-wire and 3-wire control
interface
2.7 to 5.5 V supply voltage
Integrated LDO regulator
allows direct connection to
battery
3 x 3 mm 20-pin QFN package
Ordering Information:
See page 38.
Pb-free/RoHS compliant
RDS/RBDS Processor (Si4703)
Integrated crystal oscillator
Pin Assignments
(Top View)
Si4702/03-GM
GPIO1
GPIO2
GPIO3
17
10
V
IO
NC
Applications
Cellular handsets
MP3 players
Portable radios
USB FM radio
PDAs
Notebook PCs
Portable navigation
Consumer electronics
NC
FMIP
RFGND
GND
RST
1
2
3
4
5
6
SEN
20
19
18
Description
The Si4702/03 integrates the complete tuner function from antenna input
to stereo audio output for FM broadcast radio reception.
GND
PAD
7
SCLK
8
SDIO
9
RCLK
Functional Block Diagram
Headphone
Cable
FMIP
RFGND
LNA
PGA
Q
ADC
I
ADC
Si4702/03
DAC
FILTER
DEMOD
MPX
AUDIO
AMPLIFIER
DSP
LOUT
U.S. and International
Patents Pending
Abbreviated U.S. patent list:
7272375, 7127217, 7272373,
7272374, 7321324, 7339503,
7339504, 7355476, 7426376,
7436252, 7471940
DAC
ROUT
AGC
32.768 kHz
0 / 90
LOW-IF
GPIO
GPIO
VIO
CONTROL
INTERFACE
RCLK
2.7–5.5 V
VA
VD
TUNE
AFC
RDS
(Si4703)
RST
SDIO
SCLK
SEN
REG
XTAL
OSC
RSSI
Rev. 0.6 7/09
Copyright © 2009 by Silicon Laboratories
CONTROLLER
Si4702/03-D30
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Silicon Laboratories Confidential. Information contained herein is covered under non-disclosure agreement (NDA).
V
A
16
15 GND
14 LOUT
13 ROUT
12 GND
11 V
D

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Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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