전자부품 데이터시트 검색엔진 |
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SI4825-A10-CS 데이터시트(PDF) 7 Page - Silicon Laboratories |
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SI4825-A10-CS 데이터시트(HTML) 7 Page - Silicon Laboratories |
7 / 21 page Si4825-A10 Rev. 1.0 7 Table 5. AM/SW Receiver Characteristics1, 2 (VDD = 2.7 to 3.6 V, TA = 0 to 70 °C) Parameter Symbol Test Condition Min Typ Max Unit Input Frequency fRF Medium Wave (AM) 504 — 1750 kHz Short Wave (SW) 2.3 — 28.5 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 — 54 — mVRMS Audio S/N3,4,6 — 45 — dB Audio THD3,6 — 0.1 — % Antenna Inductance5,7 180 — 450 µH Notes: 1. Additional testing information is available in “AN569: Si4831/35/36/20/24/25-DEMO Board Test Procedure.” Volume = maximum for all tests. Tested at RF = 6 MHz. 2. To ensure proper operation and receiver performance, follow the guidelines in “AN738: Si4825/36-A 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 6. Reference Clock and Crystal Characteristics (VDD = 2.7 to 3.6 V, TA = 0 to 70 °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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