(China (Mainland))
Product Summary
The SI4700-A15 is the industry first FM radio tuner IC to leverage digital integration and 100% CMOS process technology, resulting in a completely integrated solution that requires only one external supply bypass capacitor and less than 20 mm2 of board space. Offering unmatched integration, the SI4700-A15 allows FM radio reception to be added to a variety of portable devices where board space, performance, low power consumption, and ease of use are essential.
Parametrics
SI4700-A15 specifications: (1)Input Frequency: 76 to 108 MHz; (2)Adjacent Channel Selectivity: ±200 kHz, 35 min, 50 typ dB; (3)Alternate Channel Selectivity, ±400 kHz: 60 min, 70 typ dB; (4)RCLK Frequency: 32.768 kHz; (5)RCLK Frequency Tolerance: –200 to 200 ppm; (6)Audio Output Voltage: 72 min, 80 typ, 90 max mVrms; (7)Audio Band Limits, 0 to –3 dB: 30 to 15k Hz; (8)Audio S/N: 63 dB; (9)Interface Supply Voltage: 1.5 to 3.6 V; (10)Ambient Temperature: 20 min, 25 typ, 85 max ℃; (11)Supply Current: 17.6 mA; (12)Seek Time: 40 max ms/channel; (13)SCLK Frequency, 3-wire operation: 0 to 2.5 MHz; (14)fSCL, 2-wire operation: 0 to 400 kHz; (15)Powerup Time: 50 ms.
Features
SI4700-A15 features: (1)Worldwide FM band support (76–108 MHz); (2)Digital low-IF receiver; (3)Frequency synthesizer with integrated VCO; (4)Seek tuning; (5)Automatic frequency control (AFC); (6)Automatic gain control (AGC); (7)Excellent overload immunity; (8)Signal strength measurement; (9)Programmable de-emphasis (50/75 μs); (10)Adaptive noise suppression; (11)Volume control; (12)Line-level analog output; (13)32.768 kHz reference clock; (14)RDS/RBDS processor (Si4701 only); (15)2-wire and 3-wire control interface; (16)2.7 to 5.5 V supply voltage; (17)Integrated LDO regulator allows direct connection to battery; (18)4x4 mm 24-pin QFN package; (19)Lead-free/RoHS compliant.
Diagrams
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 SI4700-B-EVB |
Silicon Labs |
RF Development Tools Si4700 Eval Board |
Data Sheet |
Negotiable |
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Si4702-B-EVB |
Silicon Labs |
RF Development Tools Si4702 Eval Board |
Data Sheet |
Negotiable |
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Si4702-D30-GMR |
Silicon Labs |
Tuners BRDCAST FM RADIO TNR |
Data Sheet |
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Si4703-C-EVB |
Silicon Labs |
RF Development Tools Si4703-C Eval Board for Si4702 or Si4703 |
Data Sheet |
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Si4703-B-EVB |
Silicon Labs |
RF Development Tools Si4703 Eval Board |
Data Sheet |
Negotiable |
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Si4703-B17-GM |
Silicon Labs |
Tuners FM Radio RDS/RBDS/ TMC data tuner |
Data Sheet |
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