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AD9523-1/PCBZ 데이터시트(PDF) 6 Page - Analog Devices |
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AD9523-1/PCBZ 데이터시트(HTML) 6 Page - Analog Devices |
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6 / 60 page ![]() AD9523-1 Rev. B | Page 6 of 60 REFA, REFA, REFB, REFB, OSC_IN, OSC_IN, AND ZD_IN, ZD_IN INPUT CHARACTERISTICS Table 4. Parameter Min Typ Max Unit Test Conditions/Comments DIFFERENTIAL MODE Input Frequency Range 400 MHz Input Slew Rate (OSC_IN) 400 V/μs Minimum limit imposed for jitter performance Common-Mode Internally Generated Input Voltage 0.6 0.7 0.8 V Input Common-Mode Range 1.025 1.475 V For dc-coupled LVDS (maximum swing) Differential Input Voltage, Sensitivity Frequency < 250 MHz 100 mV p-p Capacitive coupling required; can accommodate single-ended input by ac grounding of unused input; instantaneous voltage on either pin must not exceed the 1.8 V dc supply rails Differential Input Voltage, Sensitivity Frequency > 250 MHz 200 mV p-p Capacitive coupling required; can accommodate single-ended input by ac grounding of unused input; instantaneous voltage on either pin must not exceed the 1.8 V dc supply rails Differential Input Resistance 4.8 kΩ Differential Input Capacitance 1 pF Duty Cycle Duty cycle limits are set by pulse width high and pulse width low Pulse Width Low 1 ns Pulse Width High 1 ns CMOS MODE, SINGLE-ENDED INPUT Input Frequency Range 250 MHz Input High Voltage 2.0 V Input Low Voltage 0.8 V Input Capacitance 1 pF Duty Cycle Duty cycle limits are set by pulse width high and pulse width low Pulse Width Low 1.6 ns Pulse Width High 1.6 ns OSC_CTRL OUTPUT CHARACTERISTICS Table 5. Parameter Min Typ Max Unit Test Conditions/Comments OUTPUT VOLTAGE High VDD3_PLL − 0.15 V RLOAD > 20 kΩ Low 150 mV REF_TEST INPUT CHARACTERISTICS Table 6. Parameter Min Typ Max Unit Test Conditions/Comments REF_TEST INPUT Input Frequency Range 250 MHz Input High Voltage 2.0 V Input Low Voltage 0.8 V |
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