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AD8381AST Datasheet(PDF) 2 Page - Analog Devices |
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AD8381AST Datasheet(HTML) 2 Page - Analog Devices |
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2 / 16 page  REV. 0 –2– AD8381–SPECIFICATIONS (@ 25 C, AVCC = 15.5 V, DVCC = 3.3 V, VREFLO = VMID = 7 V, VREFHI = 9.5 V, TMIN = 0 C, TMAX = 85 C, unless otherwise noted.) Model Conditions Min Typ Max Unit VIDEO DC PERFORMANCE 1 TMIN to TMAX VDE DAC Code 450 to 800 –7.5 +1.0 +7.5 mV VCME DAC Code 450 to 800 –3.5 +0.5 +3.5 mV REFERENCE INPUTS (VREFHI–VREFLO) = 2.5 V VMID Range 2 6.25 9.25 V VMID Bias Current 35 77 µA VREFHI VREFLO AVCC V VREFLO VMID – 0.5 VREFHI V VREFHI Input Resistance to VREFLO 20 k Ω VREFLO Bias Current 0.01 0.07 µA VREFHI Input Current 125 165 µA VFS Range 3 0 5.75 V RESOLUTION Coding Binary 10 Bits DIGITAL INPUT CHARACTERISTICS CLK Rise and Fall Time = 5 ns Input Data Update Rate NRZ 100 Ms/s CLK to Data Setup Time: t1 0ns CLK to STSQ Setup Time: t3 0ns CLK to XFR Setup Time: t5 0ns CLK to Data Hold Time: t2 5ns CLK to STSQ Hold Time: t4 5ns CLK to XFR Hold Time: t6 5ns CIN 3pF IIH 0.6 0.7 µA IIL 0.05 0.16 µA VIH 2.0 V VIL 0.08 V VTH Threshold Voltage 1.4 V VIDEO OUTPUT CHARACTERISTICS Output Voltage Swing AVCC – VOH, VOL – AGND 1 1.3 V CLK to VID Delay 4: t 7 50% of VIDx 13.5 15.5 17.5 ns INV to VID Delay 50% of VIDx 12 14 16 ns Output Current 30 75 mA Output Resistance 29 Ω VIDEO OUTPUT DYNAMIC PERFORMANCE TMIN to TMAX, VO = 5 V Step, CL = 150 pF Data Switching Slew Rate 265 V/ µs Invert Switching Slew Rate 410 V/ µs Data Switching Settling Time to 1% 27 32 ns Data Switching Settling Time to 0.25% 50 75 ns Invert Switching Settling Time to 1% 33 40 ns Invert Switching Settling Time to 0.25% 55 100 ns CLK and Data Feedthrough 5 5 mV p-p All-Hostile Crosstalk 6 Amplitude 50 mV p-p Glitch Duration 45 ns POWER SUPPLY Supply Rejection (VDE) AVCCx = +15.5 V ± 1 V 0.6 mV/V DVCC, Operating Range 3 5.5 V DVCC, Quiescent Current 18 25 mA AVCC, Operating Range 918 V Total AVCC Quiescent Current 33 40 mA STBY AVCC Current STBY = H 1.8 3 mA STBY DVCC Current STBY = H 0.03 0.1 mA OPERATING TEMPERATURE RANGE 0 85 °C NOTES 1VDE = Differential Error Voltage. VCME = Common-Mode Error Voltage. See the Functional Description section. 2See Figure 6 in the Functional Description section. 3VFS = 2 × (VREFHI–VREFLO). See Functional Description section. 4Measured from 50% of falling CLK edge to 50% of output change. Measurement is made for both states of INV. 5Measured on one output as CLK is driven and STSQ and XFR are held LOW. 6Measured on one output as the other five are changing from 000 HEX to 3FFHEX for both states of INV. Specifications subject to change without notice. |
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