SI4742-C10-GM Silicon Laboratories Inc, SI4742-C10-GM Datasheet
SI4742-C10-GM
Manufacturer Part Number
SI4742-C10-GM
Description
IC CAR RX AM/FM/LW/SW/WB 24QFN
Manufacturer
Silicon Laboratories Inc
Series
-r
Datasheet
1.SI4743-C-EVB.pdf
(2 pages)
Specifications of SI4742-C10-GM
Frequency
153kHz ~ 279kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 26.1MHz, 64MHz ~ 108MHz
Sensitivity
-
Data Rate - Maximum
-
Modulation Or Protocol
AM, FM, SW-LW
Applications
General Purpose
Current - Receiving
10.5mA
Data Interface
PCB, Surface Mount
Memory Size
-
Antenna Connector
PCB, Surface Mount
Features
RSSI Equipped
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-20°C ~ 85°C
Package / Case
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Description
The Si474x receiver family applies 100% RF CMOS
technology to bring digital low-IF radio technology to the
automotive receiver market. The Si474x receiver family
builds on Silicon Laboratories’ highly successful broadcast
audio radio products, offering design simplicity, unmatched
integration, programmability, and automotive quality and
reliability.
The Si474x receiver family supports world-wide FM bands
from 64–108 MHz and AM bands from 520–1710 kHz. The
Si474x supports AM/FM, weather band, shortwave, and
longwave radio bands. All odd-numbered part numbers in
the family support international RDS/RBDS protocols.
The Si474x family leverages Silicon Laboratories’ patented
digital architecture, delivering superior RF performance
and interference rejection. The proven digital radio
technology provides excellent sensitivity in weak signal
environments, and superb selectivity and inter-modulation
immunity in strong signal environments.
The solution offers programmable AM/FM channel spacing
and filters, 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 features such as noise blanking,
programmable soft mute, and multi-path detection and
mitigation.
The Si474x receiver system has a minimal bill of materials
requiring a small amount of board space. The high level of
integration provides a complete, tested broadcast audio
receiver that is ideal for primary automotive radio receivers.
AM/FM Receiver
3.0–3.6 V
GND
AGC
GND
VDD
AMI
FMI
Copyright © 2008 by Silicon Laboratories
LNA
LNA
AGC
AGC
LDO
Features
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Applications
-
-
-
Automotive AM/FM Radio Receiver
AFC
ADC
ADC
Worldwide FM band support (64–108 MHz)
Worldwide AM band support (520–1710 kHz)
Shortwave, longwave support (Si4742/43/44/45 only)
Weather band support (Si4742/43 only)
Received signal quality indicators (RSSI, SNR, adjacent
channel, wideband AM)
Multipath detection/mitigation
AM and FM noise blankers (Si4742/43/44/45 only)
AM and FM programmable seek tuning
AM and FM programmable soft mute control
AM and FM adjustable channel bandwidth filters
FM stereo-mono blending
FM Hi-Cut control (Si4742/43/44/45 only)
Digital FM stereo decoder
RDS/RBDS processor (Si4741/43/45 only)
Automatic frequency control (AFC)
Automatic gain control (AGC)
Image rejection mixer
Frequency synthesizer with integrated VCO
Low-IF direct conversion with no ceramic filters
Analog or digital (I
3.0 to 3.6 V supply voltage
Programmable reference clock
AECQ-100 certified
OEM automotive radio systems
After-market automotive radio systems
Automotive radio modules
24-pin 4 x 4 mm QFN package
• –40 to 85 ºC operation
• Pb-free/RoHS compliant
Si4740/41/42/43/44/45
CONDITION
DETECTOR
QUALITY
SIGNAL
WEAK
RDS
DSP
Si474x
DIGITAL
CNTRL
AUDIO
DAC
DAC
2
S) outputs
DOUT
DCLK
ROUT
LOUT
GPO1-3
VIO
RST
DFS
10.23.08
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SI4742-C10-GM Summary of contents
Page 1
... Shortwave, longwave support (Si4742/43/44/45 only) - Weather band support (Si4742/43 only) - Received signal quality indicators (RSSI, SNR, adjacent channel, wideband AM) - Multipath detection/mitigation - AM and FM noise blankers (Si4742/43/44/45 only and FM programmable seek tuning - AM and FM programmable soft mute control - AM and FM adjustable channel bandwidth filters - FM stereo-mono blending ...
Page 2
... VDD AMI AM/FM Receiver Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. Si4740/41/42/43/44/45 Automotive AM/FM Radio Receiver 1 = – °C) A Test Condition (S+N)/ kHz, RDS BLER < kHz, ...