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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AD9508PCBZ 데이터시트(PDF) 4 Page - Analog Devices |
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AD9508PCBZ 데이터시트(HTML) 4 Page - Analog Devices |
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4 / 40 page  AD9508 Data Sheet Rev. A | Page 4 of 40 CLOCK INPUTS AND OUTPUT DC SPECIFICATIONS Table 2. Parameter Symbol Min Typ Max Unit Test Conditions/Comments CLOCK INPUTS Differential Mode Input Frequency 0 1650 MHz Differential input Input Sensitivity 360 2200 mV p-p As measured with a differential probe; jitter performance improves with higher slew rates (greater voltage swing) Input Common-Mode Voltage VICM 0.95 1.05 1.15 V Input pins are internally self biased, which enables ac coupling Input Voltage Offset 30 mV DC-Coupled Input Common- Mode Range VCMR 0.58 1.67 V This is the allowable common-mode voltage range when dc-coupled Pulse Width Low 303 ps High 303 ps Input Resistance (Differential) 5.0 7 9 kΩ Input Capacitance CIN 2 pF Input Bias Current (Each Pin) 100 400 µA Full input swing CMOS CLOCK MODE (SINGLE-ENDED) Input Frequency 250 MHz Input Voltage High VIH VDD/2 − 0.15 V Low VIL VDD/2 + 0.15 V Input Current High IINH 1 µA Low IINL −142 µA Input Capacitance CIN 2 pF LVDS CLOCK OUTPUTS Termination = 100 Ω differential (OUTx, OUTx) Output Frequency 1650 MHz Output Voltage Differential VOD 247 375 454 mV VOH − VOL measurement across a differential pair at the default amplitude setting with output driver not toggling; see Figure 6 for variation over frequency Delta VOD ΔVOD 50 mV This is the absolute value of the difference between VOD when the normal output is high vs. when the complementary output is high Offset Voltage VOS 1.125 1.18 1.375 V (VOH + VOL)/2 across a differential pair Delta VOS ΔVOS 50 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 13.6 24 mA Each pin (output shorted to GND) LVDS Duty Cycle 45 55 % Up to 750 MHz input 39 61 % 750 MHz to1500 MHz input 50.1 % 1650 MHz input HSTL CLOCK OUTPUTS 100 Ω across differential pair; default amplitude setting Output Frequency 1650 MHz Differential Output Voltage VO 859 925 978 mV VOH − VOL with output driver static Common-Mode Output Voltage VOCM 905 940 971 mV (VOH + VOL)/2 with output driver static HSTL Duty Cycle 45 55 % Up to 750 MHz input 40 60 % 750 MHz to 1500 MHz input 50.9 % 1650 MHz input |
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