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AD9522-1 Arkusz danych(PDF) 7 Page - Analog Devices |
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AD9522-1 Arkusz danych(HTML) 7 Page - Analog Devices |
7 / 84 page AD9522-1 Rev. 0 | Page 7 of 84 CLOCK INPUTS Table 3. Parameter Min Typ Max Unit Test Conditions/Comments CLOCK INPUTS (CLK, CLK) Differential input Input Frequency 01 2.4 GHz High frequency distribution (VCO divider) 01 1.6 GHz Distribution only (VCO divider bypassed); this is the frequency range supported by the channel divider Input Sensitivity, Differential 150 mV p-p Measured at 2.4 GHz; jitter performance is improved with slew rates > 1 V/ns Input Level, Differential 2 V p-p Larger voltage swings can turn on the protection diodes and can degrade jitter performance Input Common-Mode Voltage, VCM 1.3 1.57 1.8 V Self-biased; enables ac coupling Input Common-Mode Range, VCMR 1.3 1.8 V With 200 mV p-p signal applied; dc-coupled Input Sensitivity, Single-Ended 150 mV p-p CLK ac-coupled; CLK ac-bypassed to RF ground Input Resistance 3.9 4.7 5.7 kΩ Self-biased Input Capacitance 2 pF 1 Below about 1 MHz, the input should be dc-coupled. Care should be taken to match VCM. CLOCK OUTPUTS Table 4. Parameter Min Typ Max Unit Test Conditions/Comments LVDS CLOCK OUTPUTS Termination = 100 Ω across differential pair OUT0, OUT1, OUT2, OUT3, OUT4, OUT5, OUT6, OUT7, OUT8, OUT9, OUT10, OUT11 Differential (OUT, OUT) Output Frequency, Maximum 800 MHz The AD9522 outputs toggle at higher frequencies, but the output amplitude may not meet the VOD specification Output Differential Voltage, VOD 247 360 454 mV VOH − VOL measurement across a differential pair at the default amplitude setting with output driver not toggling; see Figure 21 for variation over frequency Delta VOD 25 mV This is the absolute value of the difference between VOD when the normal output is high vs. when the complementary output is high Output Offset Voltage, VOS 1.125 1.25 1.375 V (VOH + VOL)/2 across a differential pair Delta VOS 25 mV This is the absolute value of the difference between VOS when the normal output is high vs. when the complementary output is high Short-Circuit Current, ISA, ISB 14 24 mA Output shorted to GND CMOS CLOCK OUTPUTS OUT0A, OUT0B, OUT1A, OUT1B, OUT2A, OUT2B, OUT3A, OUT3B, OUT4A, OUT4B, OUT5A, OUT5B, OUT6A, OUT6B, OUT7A, OUT7B, OUT8A, OUT8B, OUT9A, OUT9B, OUT10A, OUT10B, OUT11A, OUT11B Single-ended; termination = 10 pF Output Frequency 250 MHz See Figure 22 Output Voltage High, VOH VS − 0.1 V @ 1 mA load Output Voltage Low, VOL 0.1 V @ 1 mA load Output Voltage High, VOH 2.7 V @ 10 mA load Output Voltage Low, VOL 0.5 V @ 10 mA load |
Podobny numer części - AD9522-1 |
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Podobny opis - AD9522-1 |
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