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ADATE305 数据表(PDF) 5 Page - Analog Devices |
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ADATE305 数据表(HTML) 5 Page - Analog Devices |
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5 / 56 page  ADATE305 Rev. 0 | Page 5 of 56 DRIVER VH − VL ≥ 200 mV (to meet dc/ac specifications). Table 2. Parameter Min Typ Max Unit Test Level Conditions/Comments DC SPECIFICATIONS High-Speed Differential Logic Input Characteristics (DATA, RCV) Input Termination Resistance 92 100 108 Ω P Push 6 mA into xP pins, force 1.3 V on xN pins; measure voltage from xP to xN, calculate resistance (ΔV/ΔI)1 Input Voltage Differential 0.2 1.0 V PF Common-Mode Voltage 0.85 2.35 V PF Input Bias Current −20.0 +2.2 +20.0 μA P Each pin tested at 2.85 V and 0.35 V, while the other high speed pin remains open Pin Output Characteristics Output High Range, VH −1.4 +6.0 V D Output Low Range, VL −1.5 +5.9 V D Output Term Range, VT −1.5 +6.0 V D Functional Amplitude (VH − VL) 0.0 7.5 V D Amplitude can be programmed to VH = VL, accuracy specs apply when VH − VL ≥ 200 mV DC Output Current Limit Source 75 100 120 mA P Driver high, VH = 6.0 V, short DUTx pin to −2.0 V, measure current DC Output Current Limit Sink −120 −100 −75 mA P Driver low, VL = −1.5 V, short DUTx pin to 6.0 V, measure current Output Resistance, ±50 mA 45.0 47.0 49.0 Ω P Source: driver high, VH = 3.0 V, IDUTx = 1 mA and 50 mA; sink: driver low, VL = 0.0 V, IDUTx = −1 mA and −50 mA; ΔVDUT/ΔIDUT ABSOLUTE ACCURACY VH tests done with VL = −2.5 V and VT= −2.5 V; VL tests done with VH = 7.5 V and VT = 7.5 V; VT tests done with VL = −2.5 V and VH = +7.5 V; unless otherwise specified VH, VL, VT Uncalibrated Accuracy −250 ±75 +250 mV P Error measured at calibration points of 0 V and 5 V VH, VL, VT Offset Tempco ±450 μV/°C CT Measured at calibration points VH, VL, VT DNL ±1 mV CT After two-point gain/offset calibration VH, VL, VT INL −10 ±2.5 +10 mV P After two-point gain/offset calibration; measured over driver output ranges VH, VL, VT Resolution 0.6 +1 mV PF After two-point gain/offset calibration; range/number of DAC bits as measured at calibration points of 0 V and 5 V DUTGND Voltage Accuracy −7 ±1.3 +7 mV P Over ±0.1 V range; measured at end points of VH, VL, and VT functional range VH, VL, VT Crosstalk ±2 mV CT VL = −1.5 V: VH = −1.4 V → 6.0 V, VT = −1.5 V → 6.0 V; VH = 6.0 V: VL = −1.5 V → 5.9 V, VT = −1.5 V → 6.0 V; VT = 1.5 V: VL = −1.5 V → 5.9 V, VH = −1.4 V → 6.0 V; dc crosstalk on VL, VH, VT output level when other driver DACs are varied Overall Voltage Accuracy ±10 mV CT Sum of INL, crosstalk, DUTGND, and tempco over ±5°C, after gain/offset calibration VH, VL, VT DC PSRR ±15 mV/V CT Measured at calibration points AC SPECIFICATIONS Rise/Fall Times Toggle DATAxx 0.2 V Programmed Swing 1000 ps CB VH = 0.2 V, VL = 0.0 V, terminated; 20% to 80% 1.0 V Programmed Swing 800 ps CB VH = 1.0 V, VL = 0.0 V, terminated; 20% to 80% 2.0 V Programmed Swing 950 ps CB VH = 2.0 V, VL = 0.0 V, terminated; 20% to 80% 3.0 V Programmed Swing 1000 1175 1500 ps P/CB VH = 3.0 V, VL = 0.0 V, terminated; 20% to 80% 3.0 V Programmed Swing 1650 ps CB VH = 3.0 V, VL = 0.0 V, unterminated; 10% to 90% 5.0 V Programmed Swing 2350 ps CB VH = 5.0V, VL = 0.0 V, unterminated; 10% to 90% Rise to Fall Matching 30 ps CB VH = 3.0 V, VL = 0.0 V, terminated; rise to fall within one channel |
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