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SI4831-B30 Datasheet(PDF) 7 Page - Silicon Laboratories |
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SI4831-B30 Datasheet(HTML) 7 Page - Silicon Laboratories |
7 / 20 page Si4831/35-B30 Rev. 1.0 7 Table 6. AM/SW Receiver Characteristics1, 2 (VDD = 2.7 to 3.6 V, TA = –15 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit Input Frequency fRF Medium Wave (AM) 504 — 1750 kHz Short Wave (SW) 5.60 — 22.0 MHz Sensitivity3,4,5 (S+N)/N = 26 dB — 30 — µV EMF Large Signal Voltage Handling5 THD < 8% — 300 — mVRMS Power Supply Rejection Ratio5 ∆VDD =100 mVRMS, 100 Hz — 40 — dB Audio Output Voltage3,6 — 60 — mVRMS Audio S/N3,4,6 — 55 — dB Audio THD3,6 — 0.1 0.5 % Antenna Inductance5,7 180 — 450 µH Powerup/Band Switch Time5 From powerdown — — 110 ms Notes: 1. Additional testing information is available in “AN569: Si4831/35-DEMO Board Test Procedure.” Volume = maximum for all tests. Tested at RF = 520 kHz. 2. To ensure proper operation and receiver performance, follow the guidelines in “AN555: Si483x-B Antenna, Schematic, Layout, and Design Guidelines.” Silicon Laboratories will evaluate schematics and layouts for qualified customers. 3. FMOD = 1 kHz, 30% modulation, 2 kHz channel filter. 4. BAF = 300 Hz to 15 kHz, A-weighted. 5. Guaranteed by characterization. 6. VIN =5 mVrms. 7. Stray capacitance on antenna and board must be < 10 pF to achieve full tuning range at higher inductance levels. Table 7. Reference Clock and Crystal Characteristics (VDD = 2.7 to 3.6 V, TA = –15 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit Reference Clock XTALI Supported Reference Clock Frequencies — 32.768 — kHz Reference Clock Frequency Tolerance for XTALI –100 — 100 ppm Crystal Oscillator Crystal Oscillator Frequency — 32.768 — kHz Crystal Frequency Tolerance –100 — 100 ppm Board Capacitance —— 3.5 pF |
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