si4713 Silicon Laboratories, si4713 Datasheet
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si4713
Manufacturer Part Number
si4713
Description
Fm Radio Transmitter With Receive Power Scan
Manufacturer
Silicon Laboratories
Datasheet
1.SI4713.pdf
(2 pages)
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Description
The Si4712/13 is the industry's first 100% CMOS FM
radio transmitter with an integrated receiver to
measure receive signal strength. The device
leverages Silicon Labs’ highly successful and proven
Si4700/01 FM receiver, and offers unmatched
integration and performance allowing FM transmit to
be added to any portable device by using a single
chip. As with the Si4700/01, the Si4712/13 offers
industry leading size, performance, low power
consumption, and ease of use.
The Si4712/13’s digital integration reduces the
required external components of traditional offerings,
resulting in a solution requiring only an external
inductor and bypass capacitor, and PCB space of
approximately 15 mm
manufacturing, improved quality, easy design-in, and
software programmability are key advantages of the
Si4712/13.
The Si4713 supports the European Radio Data
System (RDS) and the US Radio Broadcast Data
System (RBDS) standards including all the symbol
encoding, block synchronization, and error correction
functions. Using this feature, the Si4713 enables
data such as artist name and song title to be
transmitted to an RDS/RBDS receiver.
Users are responsible for adjusting their system’s
radiated power levels to comply with local regulations
on RF transmission (FCC, ETSI, ARIB, etc.).
FM Tuner
Ant
Tx
120 nH
L1
RFGND
TXO
2
. High reliability in device
AFC
Copyright © 2008 by Silicon Laboratories
FM Radio Transmitter with Receive Power Scan
DETECT
INTERFACE
PEAK
CONTROL
DAC
DAC
Features
- Integrated receiver for receive power measurement
- Worldwide FM band support
- Requires only two external components
- Frequency synthesizer with integrated VCO
- Digital stereo modulator
- Programmable pre-emphasis
- Analog/digital audio interface
- Programmable reference clock
- RDS/RBDS transmit encoder (Si4713 only)
- PCB loop antenna support with self calibrated
- Programmable transmit level
- Programmable modulation
- 2.7 to 5.5 V supply voltage
- Digital gain compression
- Integrated LDO regulator
- 3 x 3 x 0.55 mm 20-pin QFN
Applications
- Cellular handsets/hands-free
- MP3 players
- Portable audio/video players
- Wireless speakers/microphone
- Satellite digital audio radios
- Personal computers/notebooks
DSP
(76–108 MHz) for transmit
(50/75 µs)
capacitor tuning
-
Pb-free and RoHS Compliant
RDS (Si4713)
GPO
DIGITAL
AUDIO
ADC
ADC
Si4712/13
LDO
DFS
DIN
LIN
RIN
VDD
GND
Si4712/13
22 nF
C1
2.7–5.5 V
4.3.08
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si4713 Summary of contents
Page 1
... High reliability in device manufacturing, improved quality, easy design-in, and software programmability are key advantages of the Si4712/13. The Si4713 supports the European Radio Data System (RDS) and the US Radio Broadcast Data System (RBDS) standards including all the symbol encoding, block synchronization, and error correction functions ...
Page 2
... GND 6 11 VDD Tuner 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 FM Radio Transmitter with Receive Power Scan Symbol Test Condition 102–118 dBµV RF TX_PREMPHASIS = 75 µ ...