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SI47902

Description
High-Performance Automotive AM/FM Radio Receiver
File Size980KB,3 Pages
ManufacturerSILABS
Websitehttp://www.silabs.com
Download Datasheet Compare View All

SI47902 Overview

High-Performance Automotive AM/FM Radio Receiver

Si47901/02
High-Performance Automotive AM/FM Radio Receiver and
HD Radio™/DAB/DAB+/DMB/DRM Tuner
Features
-
-
-
-
-
Worldwide FM band support (64–108 MHz)
Worldwide AM band support (520–1710 kHz)
LW band support (144–288 kHz)
SW band support (2.3–30 MHz)
DAB/DAB+/DMB support (170–240 MHz, 1452–1492
MHz) (Si47902 only)
-
NOAA Weather Band support
-
On-chip soft-decision RDS/RDBS demodulator/decoder
-
AM/FM:
-
DAB/DAB+/DMB (Si47902 only):
-
Digital I/Q interface to DAB/DAB+/DMB processor
-
DAB/DAB+/DMB MRC with two, three, or four tuners
-
Integrated active Band III/L-band buffers for
background/data tuners
-
Fast DAB/DAB+/DMB band scan
-
Fully integrated AGC for Band III and L-Band inputs
-
Comprehensive AM/FM signal processing firmware
-
Integrated active AM/FM buffers for background/data
tuners
-
Analog FM phase diversity with two, three or four
tuners
-
-
-
-
-
-
-
-
Fully integrated AGC for AM and FM inputs
-
HD Radio:
-
Digital I/Q interface to HD Radio Processor
-
HD Radio MRC with two, three, or four tuners
-
AM/FM HD Radio IBOC blend
-
Fast FM HD Radio band scan
Two analog audio outputs
Two digital audio ports (I
2
S)
Frequency synthesizer with fully
integrated PLL-VCO
Integrated clock oscillator
1.8 V or 3.3 V digital IO power supplies
3.3 V analog power supply and 1.8 V digital power
supply
-
QFN 48-pin, 7x7x0.85 mm
-
Pb-free/RoHS compliant
-
AEQ-Q100 qualified
Description
The Si47901/02 analog AM/FM receiver and digital radio
tuner sets a new standard for automotive broadcast
reception.
The Si47901/02 is the most integrated monolithic IC in the
industry with the smallest external bill of materials.
Si47901/02 based systems can scale from lowcost single
tuner AM/FM radio to highest performance systems with
multiple tuners and multiple antennas, enabling the radio
suppliers to reuse their R&D across multiple product lines,
all with a common software API. The Si47901/02 meets
rigorous automotive quality standards.
XTALI
XTALO
Applications
-
Automotive OEM infotainment systems
-
Aftermarket car radio systems
DCLK/GP0
DFS/GP1
DOUT0
LBI
AGC
LNA
DAC
DAC
Audio
Output
Port 0
LBO
Blend
Radio
DSP-2
ADC
B3O
IF AGC
ADC
FMI
AGC
LNA
DEBUGP
DEBUGN
ISFSP
ISFSN
ZIFIOUT
ZIFCLK
ZIFQOUT
ZIFFS
B3I/WXI
AGC
LNA
Radio DSP
FMO
AMVAG
AMI
AGC
LNA
Flash
Interface
SPI/I
2
C
ARM
Cortex M3
DICLK0
DIFS0
DIN0
Audio
Input
Port 0
CLKO
ICN
ICP
AOUT0
AOUT1
Power
Supplies
VD
VA
VIO1
VIO2
AMO
INTB
RSTB
NVSCLK
NVSSB
NVMOSI
NVMISO
SSB/A1
SCLK/SCL
MOSI/SDA
MISO/A0
SMODE
Si47901/02
Copyright © 2015 by Silicon Laboratories
3.12.2015

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