SI4703-B16-GM Silicon Laboratories Inc, SI4703-B16-GM Datasheet
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SI4703-B16-GM
Manufacturer Part Number
SI4703-B16-GM
Description
IC FM RADIO TUNER 20QFN
Manufacturer
Silicon Laboratories Inc
Specifications of SI4703-B16-GM
Frequency
76MHz ~ 108MHz
Sensitivity
-99dBm
Modulation Or Protocol
FM
Applications
Cellular, MP3, PDAs, Portable Radios
Current - Receiving
18mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-20°C ~ 85°C
Package / Case
20-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Memory Size
-
Data Rate - Maximum
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
336-1334-1
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SI4703-B16-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
B
Features
Applications
Description
The Si4703 integrates the complete tuner function from antenna input to
stereo audio output for FM broadcast radio reception.
Functional Block Diagram
Confidential Rev. 1.1 11/07
This data sheet applies to
Si4703 Firmware 16
Worldwide FM band support
(76–108 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)
Cellular handsets
MP3 players
Portable radios
R O A D C A S T
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Headphone
32.768 kHz
2.7–5.5 V
Cable
Silicon Laboratories Confidential. Information contained herein is covered under non-disclosure agreement (NDA).
RFGND
RCLK
FMIP
VA
VD
LNA
TUNE
AGC
REG
F M R
USB FM radio
PDAs
Notebook PCs
XTAL
0 / 90
OSC
A D I O
PGA
AFC
Copyright © 2007 by Silicon Laboratories
ADC
ADC
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
RDS/RBDS Processor
Integrated crystal oscillator
Q
I
Pb-free/RoHS compliant
T
U N E R FOR
DEMOD
LOW-IF
FILTER
AUDIO
MPX
RSSI
DSP
RDS
Si4703
Portable navigation
Consumer electronics
GPIO
DAC
DAC
ROUT
LOUT
GPIO
SCLK
SDIO
SEN
RST
VIO
P
O R TA B L E
Si4703-B16
Patents pending
Notes:
1. To ensure proper operation and FM
2. Place Si4703 as close as possible to
RFGND
FMIP
GND
receiver performance, follow the
guidelines in “AN231: Si4700/01/02/03
Headphone and Antenna Interface.”
Silicon Laboratories will evaluate
schematics and layouts for qualified
customers.
antenna jack and keep the FMIP trace
as short as possible.
RST
NC
Ordering Information:
A
1
2
3
4
5
6
Pin Assignments
P P L I C A T I O N S
20
7
See page 37.
Si4703-GM
(Top View)
19
8
GND
PAD
18
9
17
10
Si4703-B16
16
15
14
13
12
11
GND
LOUT
ROUT
GND
V
D