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AD8021 数据表(PDF) 3 Page - Analog Devices |
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AD8021 数据表(HTML) 3 Page - Analog Devices |
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3 / 20 page  REV. D AD8021 –3– AD8021AR/AD8021ARM Parameter Conditions Min Typ Max Unit DYNAMIC PERFORMANCE –3 dB Small Signal Bandwidth G = +1, CC = 10 pF, VO = 0.05 V p-p 520 560 MHz G = +2, CC = 7 pF, VO = 0.05 V p-p 175 220 MHz G = +5, CC = 2 pF, VO = 0.05 V p-p 170 200 MHz G = +10, CC = 0 pF, VO = 0.05 V p-p 125 165 MHz Slew Rate, 1 V Step G = +1, CC = 10 pF 105 130 V/ µs G = +2, CC = 7 pF 140 170 V/ µs G = +5, CC = 2 pF 265 340 V/ µs G = +10, CC = 0 pF 400 460 V/ µs Settling Time to 0.01% VO = 1 V Step, RL = 500 Ω 21 ns Overload Recovery (50%) ±6 V Input Step, G = +2 90 ns DISTORTION/NOISE PERFORMANCE f = 1 MHz HD2 VO = 2 V p-p –95 dBc HD3 VO = 2 V p-p –116 dBc f = 5 MHz HD2 VO = 2 V p-p –71 dBc HD3 VO = 2 V p-p –83 dBc Input Voltage Noise f = 50 kHz 2.1 2.6 nV/ √Hz Input Current Noise f = 50 kHz 2.1 pA/ √Hz Differential Gain Error NTSC, RL = 150 Ω 0.03 % Differential Phase Error NTSC, RL = 150 Ω 0.04 Degrees DC PERFORMANCE Input Offset Voltage 0.4 1.0 mV Input Offset Voltage Drift TMIN to TMAX 0.2 µV/°C Input Bias Current +Input or –Input 8 11.3 µA Input Bias Current Drift 10 nA/ °C Input Offset Current 0.1 0.5 ±µA Open-Loop Gain 84 88 dB INPUT CHARACTERISTICS Input Resistance 10 M Ω Common-Mode Input Capacitance 1 pF Input Common-Mode Voltage Range –11.1 to +11.6 V Common-Mode Rejection Ratio VCM = ±10 V –86 –96 dB OUTPUT CHARACTERISTICS Output Voltage Swing –10.2 to +9.8 –10.6 to +10.2 V Linear Output Current 70 mA Short-Circuit Current 115 mA Capacitive Load Drive for 30% Overshoot VO = 50 mV p-p/1 V p-p 15/120 pF DISABLE CHARACTERISTICS Off Isolation f = 10 MHz –40 dB Turn-On Time VO = 0 V to 2 V, 50% Logic to 50% Output 45 ns Turn-Off Time VO = 0 V to 2 V, 50% Logic to 50% Output 50 ns DISABLE Voltage—Off/On VDISABLE – VLOGIC REFERENCE 1.80/1.95 V Enabled Leakage Current Logic Ref = 0.4 V 70 µA DISABLE = 4.0 V 2 µA Disabled Leakage Current Logic Ref = 0.4 V 30 µA DISABLE= 0.4 V 33 µA POWER SUPPLY Operating Range ±2.25 ±5 ±12.0 V Quiescent Current Output Enabled 7.8 8.6 mA Output Disabled 1.7 2.0 mA +Power Supply Rejection Ratio VCC = +11 V to +13 V, VEE = –12 V –86 –96 dB –Power Supply Rejection Ratio VCC = +12 V, VEE = –13 V to –11 V –86 –100 dB Specifications subject to change without notice. (@ TA = 25 C, RL = 1 k , Gain = +2, unless otherwise noted.) VS = 12 V |
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