Product Summary
The SI4730 is an industry’s first fully integrated, 100% CMOS AM/FM radio receiverIC. The SI4730 AM/FM radio provides the space savings and low power consumption necessary for portable devices while delivering the high performance and design simplicity desired for all AM/FM solutions. Offering unmatched integration and PCB space savings, the SI4730 requires only two external components and less than 15mm2 of board area. The applications of the SI4730 include able and portable radios, Stereos, Mini/micro systems, Portable media players, Boomboxes, Cellular handsets, Clock radios, Modules, Entertainment systems.
Parametrics
SI4730 absolute maximum ratings: (1)Input Frequency, fRF: 520 to 1710 kHz; (2)Sensitivity: 38μV EMF; (3)Audio S/N: 58dB; (4)Audio THD: 0.1 %; (5)Audio Output Voltage: 54 to 66 mVrms; (6)Antenna Inductance: 180 to 600 μH.
Features
SI4730 features: (1)Worldwide FM band support (76–108 MHz); (2)Worldwide AM band support (520–1710 kHz); (3)AM/FM digital tuning; (4)Excellent real-world performance; (5)Only 2 external components; (6)No manual alignment required; (7)Adjustable AM channel filters; (8)Advanced AM/FM seek tuning; (9)Digital volume control; (10)Adjustable soft mute control; (11)Frequency synthesizer with integrated VCO; (12)Automatic frequency control (AFC); (13)Automatic gain control (AGC); (14)Programmable AM/FM de-emphasis; (15)Adaptive noise suppression; (16)Integrated LDO regulator; (17)Programmable reference clock; (18)PM RDS/RBDS processor (Si4731 only); (19)2-wire and 3-wire control interface; (20)2.7 to 5.5 V supply voltage; (21)AM ferrite loopstick and air loop antenna support; (22)3 x 3 x 0.55 mm 20-pin QFN package, Pb-free/RoHS compliant.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
Quantity | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
SI4730-A-EVB |
Silicon Labs |
RF Development Tools 3.3 X 0.55 QFN-20 EVALUATION BOARD |
Data Sheet |
Negotiable |
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Si4730-B20-GM |
Silicon Labs |
Tuners Radio Receiver Broadcast AM/FM |
Data Sheet |
Negotiable |
|
|||||||
SI4730-B20-GMR |
IC RX RADIO MULTI-BAND 20UQFN |
Data Sheet |
Negotiable |
|
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Si4730-C40-GM |
Silicon Labs |
RF Receiver Broadcast AM/FM Radio Receiver |
Data Sheet |
Negotiable |
|
|||||||
SI4730-C40-GMR |
IC RX AM/FM RADIO WORLD 20UQFN |
Data Sheet |
Negotiable |
|
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Si4730-C40-GU |
Silicon Labs |
RF Receiver Broadcast AM/FM Radio Receiver |
Data Sheet |
Negotiable |
|
|||||||
SI4730-C40-GUR |
IC RX AM/FM RADIO WORLD 24SSOP |
Data Sheet |
Negotiable |
|
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SI4730-D50-GM |
IC RADIO RECEIVER AM/FM 20-QFN |
Data Sheet |
|
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