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SI4730 Datasheet(PDF) 2 Page - Silicon Laboratories |
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SI4730 Datasheet(HTML) 2 Page - Silicon Laboratories |
2 / 2 page AM/FM Receiver Copyright © 2007 by Silicon Laboratories 6.15.07 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. Si4730/31 Broadcast AM/FM Radio Receiver Parameter Symbol Test Condition Min Typ Max Unit Input Frequency fRF 76 — 108 MHz Sensitivity headphone matching (S+N)/N = 26 dB — 2.2 — µV EMF Sensitivity 50 Ω matching (S+N)/N = 26 dB — 1.1 — µV EMF Input IP3 |f2 – f1| > 1 MHz; f0 = 2 x f1 – f2 — 105 — dBµV EMF Adjacent Channel Selectivity ±200 kHz — 50 — dB Alternate Channel Selectivity ±400 kHz — 70 — dB Audio Band Limits ±1.5 dB 30 — 15k Hz Audio S/N — 63 — dB Audio THD — 0.1 — % Audio Output Voltage 72 80 90 mVrms Supply Voltage* VD, VA 2.7 — 5.5 V Interface Supply Voltage* VIO 1.5 — 3.6 V Powerdown Current* IPD — 10 — µA *Note: Applies to both FM and AM modes. Parameter Symbol Test Condition Min Typ Max Unit Input Frequency fRF 520 — 1710 kHz Sensitivity (S+N)/N = 26 dB — 38 — µV EMF Audio S/N — 58 — dB Audio THD — 0.1 — % Audio Output Voltage 54 60 66 mVrms Antenna Inductance 180 — 600 µH Selected FM Electrical Specifications Selected AM Electrical Specifications Pin Assignments GND PAD 1 2 3 17 18 19 20 11 12 13 14 6 7 8 9 4 5 16 10 15 NC LOUT ROUT GND RST NC AMI VDD FMI RFGND 3 x 3 x 0.55 mm, 20-pin QFN Package Information Symbol Millimeters Symbol Millimeters Min Nom Max Min Nom Max A 0.50 0.55 0.60 f 2.53 BSC A1 0.00 0.02 0.05 L 0.35 0.40 0.45 b 0.18 0.25 0.30 L1 0.00 — 0.10 c 0.27 0.32 0.37 aaa — — 0.10 D 3.00 BSC bbb — — 0.10 D2 1.60 1.70 1.80 ccc — — 0.08 e 0.50 BSC ddd — — 0.10 E 3.00 BSC eee — — 0.10 E2 1.60 1.70 1.80 |
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