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AD8021 数据表(PDF) 4 Page - Analog Devices |
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AD8021 数据表(HTML) 4 Page - Analog Devices |
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4 / 28 page  AD8021 Rev. F | Page 4 of 28 AD8021AR/AD8021ARM Parameter Conditions Min Typ Max Unit Disabled Leakage Current LOGIC REFERENCE = 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 7.0 7.7 mA Output disabled 1.3 1.6 mA +Power Supply Rejection Ratio VCC = 4 V to 6 V, VEE = −5 V −86 −95 dB −Power Supply Rejection Ratio VCC = 5 V, VEE = −6 V to −4 V −86 −95 dB VS = ±12 V, @ TA = 25°C, RL = 1 kΩ, gain = +2, unless otherwise noted. Table 2. 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 MΩ 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 |
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