參數(shù)資料
型號： SI4713-B30-GMR
廠商： Silicon Laboratories Inc
文件頁數(shù)： 1/42頁
文件大小： 430K
描述： IC TX FM RADIO RPS/RDS 20UQFN
標準包裝： 2,500
頻率： 76MHz ~ 108MHz
應用： 通用
調(diào)制或協(xié)議： FM
電流 - 傳輸： 18.8mA
數(shù)據(jù)接口： PCB，表面貼裝
天線連接器： PCB，表面貼裝
電源電壓： 2.7 V ~ 5.5 V
封裝/外殼： 20-UFQFN 裸露焊盤
包裝： 帶卷 (TR)
Rev. 1.1 2/08
Copyright ?2008 by Silicon Laboratories
Si4712/13-B30
Si4712/13-B30
FM RADIO TRANSMITTER WITH RECEIVE POWER SCAN
Features
Applications
Description
The Si4712/13-B30 integrates the complete transmit functions for
standards-compliant unlicensed FM broadcast stereo transmission. The
chip also allows integrated receive power scanning to identify low signal
power FM channels. Users must comply with local regulations on radio
frequency (RF) transmission.
Functional Block Diagram
Integrated receive power
measurement
Worldwide FM band support
(76108 MHz)
Requires only two external
components
Frequency synthesizer with
integrated VCO
Digital stereo modulator
Programmable pre-emphasis
Analog/digital audio interface
Audio silence detector
Programmable reference clock
RDS/RBDS encoder (Si4713 only)
PCB loop and stub antenna
support with self-calibrated
capacitor tuning
Programmable transmit level
Audio dynamic range control
Advanced modulation control
2.7 to 5.5 V supply voltage
Integrated LDO regulator
3 x 3 x 0.55 mm 20-pin QFN
 Pb-free and RoHS Compliant
Designed for compatibility with
cellular operation
Cellular handsets/hands-free
MP3 players
Portable media players
Wireless speakers/microphone
Satellite digital audio radios
Personal computers/notebooks
ADC
ADC
Si4712/13
DSP
DAC
DAC
CONTROL
INTERFACE
GPO
RDS (Si4713)
LDO
VDD
GND
LIN
RIN
Tx
Ant
TXO
DFS
DIN
AFC
L1
120 nH
RFGND
DIGITAL
AUDIO
PEAK
DETECT
2.75.5 V
C1
22 nF
Patents pending
Note:  To  ensure  proper  operation  and
performance, follow the guide-
lines    in    AN383:    Universal
Antenna Selection and Layout
Guidelines. Silicon Laboratories
will evaluate schematics and lay-
outs for qualified customers.
Ordering Information:
See page 34.
Pin Assignments
GND
PAD
1
2
3
17
18
19
20
11
12
13
14
6
7
8
9
4
5
16
10
15
RIN
DFS
DIN
GND
RST
NC
TXO
VDD
NC
RFGND
Si4712/13-B30
(Top View)
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