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AD9512-EP Arkusz danych(PDF) 3 Page - Analog Devices |
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AD9512-EP Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 20 page Enhanced Product AD9512-EP Rev. 0 | Page 3 of 20 SPECIFICATIONS Typical (Typ) is given for VS = 3.3 V ± 5%; TA = 25°C, RSET = 4.12 kΩ, unless otherwise noted. Minimum (Min) and Maximum (Max) values are given over full VS and TA (−55°C to +85°C) variation. CLOCK INPUTS Table 1. Parameter Min Typ Max Unit Test Conditions/Comments CLOCK INPUTS (CLK1, CLK2)1 Input Frequency 0 1.6 GHz Input Sensitivity 1502 mV p-p Jitter performance can be improved with higher slew rates (greater swing). Input Level 23 V p-p Larger swings turn on the protection diodes and can degrade jitter performance. Input Common-Mode Voltage, VCM 1.45 1.6 1.7 V Self-biased; enables ac coupling; at full temperature range 1.5 1.6 1.7 V At −40°C to +85°C. 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 CLK2 ac-coupled; CLK2B ac bypassed to RF ground. Input Resistance 4.0 4.8 5.6 kΩ Self-biased. Input Capacitance 2 pF 1 CLK1 and CLK2 are electrically identical; each can be used as either differential or single-ended input. 2 With a 50 Ω termination, this is −12.5 dBm. 3 With a 50 Ω termination, this is +10 dBm. CLOCK OUTPUTS Table 2. Parameter Min Typ Max Unit Test Conditions/Comments LVPECL CLOCK OUTPUTS Termination = 50 Ω to VS − 2 V OUT0, OUT1, OUT2; Differential Output level 0x3D (0x3E) (0x3F)[3:2] = 10b Output Frequency 1200 MHz See Figure 10 Output High Voltage (VOH) VS − 1.22 VS − 0.98 VS − 0.93 V Output Low Voltage (VOL) VS − 2.10 VS − 1.80 VS − 1.67 V Output Differential Voltage (VOD) 660 810 965 mV LVDS CLOCK OUTPUTS Termination = 100 Ω differential; default OUT3, OUT4; Differential Output level 0x40 (0x41)[2:1] = 01b 3.5 mA termination current Output Frequency 800 MHz See Figure 11 Differential Output Voltage (VOD) 250 360 450 mV Delta VOD 25 mV Output Offset Voltage (VOS) 1.05 1.23 1.375 V At full temperature range 1.125 1.23 1.375 V At −40°C to +85°C Delta VOS 25 mV Short-Circuit Current (ISA, ISB) 14 24 mA Output shorted to GND CMOS CLOCK OUTPUTS OUT3, OUT4 Single-ended measurements; B outputs: inverted, termination open Output Frequency 250 MHz With 5 pF load each output; see Figure 12 Output Voltage High (VOH) VS − 0.1 V @ 1 mA load Output Voltage Low (VOL) 0.1 V @ 1 mA load |
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