器件名称: W530-02
功能描述: Frequency-multiplying, Peak-reducing EMI Solution
文件大小: 92KB 共8页
简 介:W530-02
Frequency-multiplying, Peak-reducing EMI Solution
Features
Cypress PREMIS SMARTSPREAD family offering Generates an electromagnetic-interference (EMI)-optimized clocking signal at the output Selectable frequency range and multiplication factor Single 1.25%, 2.5%, 5%, or 10%, down or center spread output Integrated loop filter components Operates with a 3.3V or 5V supply Low-power CMOS design Higher drive strength, higher frequency support than W530 Available in 20-pin SSOP Table 1. Output Frequency Range Selection OR 2 0 0 1 1 OR 1 0 1 0 1 Output Range (Multiplication Factor Selection) reserved 13 MHz ≤ FOUT ≤ 30 MHz 25 MHz ≤ FOUT ≤ 60 MHz 50 MHz ≤ FOUT ≤ 166 MHz
Table 2. Modulation Width Selection MW2 0 0 0 0 1 1 1 1 MW1 0 0 1 1 0 0 1 1 MW0 0 1 0 1 0 1 0 1 Output Fin ≥ Fout ≥ Fin –1.25% Favg + 0.625% ≥ Fout ≥ Favg – 0.625% Fin ≥ Fout ≥ Fin – 2.5% Favg + 1.25% ≥ Fout ≥ Favg – 1.25% Fin ≥ Fout ≥ Fin – 5% Favg + 2.5% ≥ Fout ≥ Favg – 2.5% Fin ≥ Fout ≥ Fin – 10% Favg + 5% ≥ Fout ≥ Favg – 5%
Key Specifications
Supply Voltages:....................................... VDD = 3.3V ± 0.3V or VDD = 5V ± 10% Frequency Range:......................... 13 MHz ≤ Fout ≤ 166 MHz Cycle to Cycle Jitter: ........................................250 ps (max.) Output Duty Cycle: ............................... 40/60% (worst case)
Table 3. Input Frequency Range Selection IR2 0 0 1 1 IR1 0 1 0 1 Input Range reserved 13 MHz ≤ FIN ≤ 30 MHz 25 MHz ≤ FIN ≤ 60 MHz 50 MHz ≤ FIN ≤ 166 MHz
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