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AD9554 Datasheet(PDF) 21 Page - Analog Devices |
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AD9554 Datasheet(HTML) 21 Page - Analog Devices |
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21 / 116 page  Data Sheet AD9554 Rev. D | Page 21 of 116 TYPICAL PERFORMANCE CHARACTERISTICS fR = input reference clock frequency, fOUT = output clock frequency, fSYS = SYSCLK input frequency, and VDD at 1.8 V. –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 FREQUENCY OFFSET (Hz) 1k 10 100 10k 100k 1M 10M 100M INTEGRATED RMS JITTER (12kHz TO 20MHz): 414fs PHASE NOISE (dBc/Hz): 10Hz –82 100Hz –97 1kHz –114 10kHz –125 100kHz –129 1MHz –138 10MHz –153 FLOOR –155 Figure 3. Absolute Phase Noise (Output Driver = 21 mA Mode), fR = 19.44 MHz, fOUT = 156.25 MHz, DPLL Loop Bandwidth = 50 Hz, fSYS = 49.152 MHz Crystal –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 FREQUENCY OFFSET (Hz) 1k 10 100 10k 100k 1M 10M 100M INTEGRATED RMS JITTER (12kHz TO 20MHz): 375fs PHASE NOISE (dBc/Hz): 10Hz –69 100Hz –84 1kHz –102 10kHz –113 100kHz –113 1MHz –127 10MHz –146 FLOOR –152 Figure 4. Absolute Phase Noise (Output Driver = 21 mA Mode), fR = 19.44 MHz, fOUT = 622.08 MHz, DPLL Loop Bandwidth = 50 Hz, fSYS = 49.152 MHz Crystal –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 FREQUENCY OFFSET (Hz) 1k 10 100 10k 100k 1M 10M 100M INTEGRATED RMS JITTER (12kHz TO 20MHz): 381fs PHASE NOISE (dBc/Hz): 10Hz –67 100Hz –84 1kHz –102 10kHz –113 100kHz –116 1MHz –128 10MHz –147 FLOOR –152 Figure 5. Absolute Phase Noise (Output Driver = 21 mA Mode), fR = 19.44 MHz, fOUT = 644.53125 MHz, DPLL Loop Bandwidth = 50 Hz, fSYS = 49.152 MHz Crystal –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 FREQUENCY OFFSET (Hz) 1k 10 100 10k 100k 1M 10M 100M INTEGRATED RMS JITTER (12kHz TO 20MHz): 427fs PHASE NOISE (dBc/Hz): 10Hz –63 100Hz –84 1kHz –101 10kHz –112 100kHz –116 1MHz –124 10MHz –144 FLOOR –151 Figure 6. Absolute Phase Noise (Output Driver = 21 mA Mode), fR = 19.44 MHz, fOUT = 693.482991 MHz, DPLL Loop Bandwidth = 50 Hz, fSYS = 49.152 MHz Crystal –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 FREQUENCY OFFSET (Hz) 1k 10 100 10k 100k 1M 10M 100M INTEGRATED RMS JITTER (12kHz TO 20MHz): 393fs PHASE NOISE (dBc/Hz): 10Hz –80 100Hz –96 1kHz –113 10kHz –125 100kHz –128 1MHz –137 10MHz –154 FLOOR –155 Figure 7. Absolute Phase Noise (Output Driver = 21 mA Mode), fR = 19.44 MHz, fOUT = 174.703 MHz, DPLL Loop Bandwidth = 1 kHz, fSYS = 49.152 MHz Crystal –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 FREQUENCY OFFSET (Hz) 1k 10 100 10k 100k 1M 10M 100M INTEGRATED RMS JITTER (12kHz TO 20MHz): 379fs PHASE NOISE (dBc/Hz): 10Hz –80 100Hz –96 1kHz –114 10kHz –125 100kHz –129 1MHz –139 10MHz –154 FLOOR –155 Figure 8. Absolute Phase Noise, fR = 19.44 MHz, fOUT = 161.1328125 MHz, DPLL Loop Bandwidth = 100 Hz, fSYS = 49.152 MHz Crystal |
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