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AD9544/PCBZ 数据表(PDF) 22 Page - Analog Devices |
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AD9544/PCBZ 数据表(HTML) 22 Page - Analog Devices |
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22 / 62 page  AD9544 Data Sheet Rev. 0 | Page 22 of 62 TYPICAL PERFORMANCE CHARACTERISTICS –170 –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) INTEGRATED RMS JITTER (12kHz TO 20MHz): 224fs PHASE NOISE (dBc/Hz): 10Hz –81 100Hz –98 1kHz –118 10kHz –128 100kHz –134 1MHz –144 10MHz –158 >30MHz –159 FLOOR –161 fOUT = 155.52MHz Figure 3. Absolute Phase Noise (PLL0, Configuration 1, HCSL Mode, fREF = 38.88 MHz, fOUT = 155.52 MHz, fSYS = 52 MHz Crystal, BWDPLL = 50 Hz) –170 –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) INTEGRATED RMS JITTER (12kHz TO 20MHz): 220fs PHASE NOISE (dBc/Hz): 10Hz –77 100Hz –93 1kHz –114 10kHz –125 100kHz –130 1MHz –140 10MHz –156 >30MHz –158 FLOOR –161 fOUT = 245.76MHz Figure 4. Absolute Phase Noise (PLL0, Configuration 2, HCSL Mode, fREF = 30.72 MHz, fOUT = 245.76 MHz, fSYS = 52 MHz Crystal, BWDPLL = 50 Hz) –170 –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) INTEGRATED RMS JITTER (12kHz TO 20MHz): 234.5fs PHASE NOISE (dBc/Hz): 10Hz –74 100Hz –89 1kHz –108 10kHz –119 100kHz –123 1MHz –134 10MHz –152 >30MHz –155 FLOOR –159 fOUT = 491.52MHz Figure 5. Absolute Phase Noise (PLL0, Configuration 3, HCSL Mode, fREF = 1 Hz, fOUT = 491.52 MHz, fCOMP = 19.2 MHz TCXO, fSYS = 52 MHz Crystal, BWDPLL = 50 Hz) –170 –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) INTEGRATED RMS JITTER (12kHz TO 20MHz): 213fs PHASE NOISE (dBc/Hz): 10Hz –84 100Hz –106 1kHz –120 10kHz –131 100kHz –136 1MHz –147 10MHz –160 >30MHz –160 FLOOR –163 fOUT = 125.0MHz Figure 6. Absolute Phase Noise (PLL0, Configuration 4, HCSL Mode, fREF = 125 MHz, fOUT = 125.0 MHz, fCOMP = 19.2 MHz TCXO, fSYS = 52 MHz Crystal, BWDPLL = 0.1 Hz, Phase Buildout Mode) –170 –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) INTEGRATED RMS JITTER (12kHz TO 20MHz): 217fs PHASE NOISE (dBc/Hz): 10Hz –74 100Hz –91 1kHz –112 10kHz –123 100kHz –128 1MHz –138 10MHz –154 >30MHz –157 FLOOR –161 fOUT = 312.5MHz Figure 7. Absolute Phase Noise (PLL0, Configuration 5, HCSL Mode, fREF = 25 MHz, fOUT = 312.5 MHz, fSYS = 52 MHz Crystal, BWDPLL = 50 Hz, Phase Buildout Mode) –170 –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 10 100 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) INTEGRATED RMS JITTER (12kHz TO 20MHz): 230fs PHASE NOISE (dBc/Hz): 10Hz –82 100Hz –99 1kHz –117 10kHz –127 100kHz –133 1MHz –143 10MHz –157 >30MHz –158 FLOOR –160 fOUT = 174.7MHz Figure 8. Absolute Phase Noise (PLL0, Configuration 6, HCSL Mode, fREF = 155.52 MHz, fOUT = 174.7 MHz, fSYS = 52 MHz Crystal, BWDPLL = 50 Hz, Phase Buildout Mode) |
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