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SI4761-A10-GMR

产品描述IC RCVR AM/FM/HD AUTO 40-QFN
产品类别热门应用    无线/射频/通信   
文件大小977KB,共3页
制造商Silicon Laboratories Inc
标准
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SI4761-A10-GMR概述

IC RCVR AM/FM/HD AUTO 40-QFN

SI4761-A10-GMR规格参数

参数名称属性值
频率520kHz ~ 1.71MHz,64MHz ~ 108MHz
调制或协议AM,FM,RDS
应用车载音频
电流 - 接收130mA
数据接口PCB,表面贴装
天线连接器PCB,表面贴装
电压 - 电源1.5 V ~ 5 V
工作温度-40°C ~ 85°C
封装/外壳40-VFQFN 裸露焊盘
供应商器件封装40-QFN(6x6)

文档预览

下载PDF文档
Si476x
High-Performance Automotive AM/FM Radio Receiver and
HD Radio Tuner
Description
The Si476x radio receiver family employs 100% RF CMOS
technology to bring outstanding receiver performance to
the automotive infotainment industry, which demands high
performance and quality.
The Si476x receiver family supports worldwide FM and AM
radio reception. Additional variants support weather band,
shortwave, longwave frequencies, and dual antenna FM
phase diversity reception.
The Si476x incorporates a digital processor for the
European Radio Data System (RDS) and the North
American Radio Broadcast Data System (RBDS) including
all required symbol decoding, block synchronization, error
detection, and error correction functions. All odd-numbered
variants in the family support AM/FM HD Radio channel
reception with digital (I
2
S) baseband I/Q outputs for
interface to a HD Radio demodulator/decoder.
The family leverages Silicon Laboratories’ patented digital
architecture, delivering superior RF performance and
interference rejection. The proven digital techniques
provide excellent sensitivity in weak signal environments,
and superb selectivity and inter-modulation immunity in
strong signal environments.
The solution offers dynamic AM/FM channel bandwidth
control, auto-calibrated digital tuning, and proven AM/FM
seek functionality based on multiple signal quality and
band parameters. The family offers highly flexible and
advanced audio processing including AM/FM noise
blanking, programmable soft mute, FM multi-path
mitigation, FM stereo-mono blend, and FM hi-cut. In
addition, the Si476x provides an integrated clock oscillator
or accepts a reference clock and an I
2
C-compatible, 2-wire
control interface. The Si476x receiver system specifies a
minimal bill of materials, resulting in a very small board
space requirement and making the solution ideal for any
automotive application from single tuner radios to multiple
tuner radios addressing companion TMC/AF reception/
scanning.
Features
-
Worldwide FM band support (64–108 MHz)
-
AM/FM HDR support
-
Worldwide AM band support (520–1710 kHz)
-
Advanced RDS/RBDS demodulator/decoder
-
Digital FM MPX decoder
-
Integrated FM active splitter
-
Addresses companion AF/RDS data receiver
-
Advanced AM/FM noise blankers
-
Dynamic AM/FM channel bandwidth control
-
Advanced FM hi-cut control
-
Programmable FM stereo-mono blend
-
Programmable AM/FM soft mute
-
Full suite of signal metrics: RSSI, SNR, multi-path
interference, frequency offset, adjacent channel
strength, USN
-
Analog and digital (I
2
S) audio outputs
-
Digital (I
2
S) baseband AM/FM I/Q
-
Analog FM MPX output
-
Low-IF architecture
-
Eliminates expensive 10.7 MHz IF ceramic filters
-
On-chip AM/FM AGC with integrated resistor and
varactor banks
-
Eliminates external pin diode attenuators and
varactors
-
1.5 to 5 V power supplies
-
QFN 40, 6 x 6 x 0.85 mm
-
Pb-free/RoHS compliant
-
AEC-Q100 qualified
Applications
-
OEM automotive infotainment systems
-
Aftermarket car radio systems
-
OEM automotive PND docking system
FMAGC1
FMAGC2
RF PKD
WXI
FMXIP
MXR PKD
FMXIN
RFREG
R
L
FMO
FMI
LNA
0°/90°
REG
LNA
Si476x
ICIN
ICIP
IQFS
IOUT
QOUT
IQCLK
ADC
IF PKD
ADC
DSP
DAC
LOUT/
MPXOUT
ROUT
DAC
DCLK
DFS
DOUT
RDS
RF PKD
RF PKD
INTB
RSTB
VIO1
VIO2
ICON
ICOP
XTAL2/
RCLK
XTAL1
XOUT
SDA
SCL
A0
A1
AMI
RFGND
LNA
ClK
Gen
CNTRL
Automotive AM/FM Tuner
Copyright © 2011 by Silicon Laboratories
11.10.11
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