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AD820ARMZ-R7 Folha de dados(PDF) 3 Page - Analog Devices |
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AD820ARMZ-R7 Folha de dados(HTML) 3 Page - Analog Devices |
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3 / 24 page ![]() AD820 Rev. H | Page 3 of 24 SPECIFICATIONS VS = 0 V, 5 V @ TA = 25°C, VCM = 0 V, VOUT = 0.2 V, unless otherwise noted. Table 1. AD820A AD820B Parameter Conditions Min Typ Max Min Typ Max Unit DC PERFORMANCE Initial Offset 0.1 0.8 0.1 0.4 mV Maximum Offset over Temperature 0.5 1.2 0.5 0.9 mV Offset Drift 2 2 μV/°C Input Bias Current V CM = 0 V to 4 V 2 25 2 10 pA At T MAX 0.5 5 0.5 2.5 nA Input Offset Current 2 20 2 10 pA At T MAX 0.5 0.5 nA Open-Loop Gain V OUT = 0.2 V to 4 V R L = 100 kΩ 400 1000 500 1000 V/mV T MIN to TMAX 400 400 V/mV R L = 10 kΩ 80 150 80 150 V/mV T MIN to TMAX 80 80 V/mV R L = 1 kΩ 15 30 15 30 V/mV T MIN to TMAX 10 10 V/mV NOISE/HARMONIC PERFORMANCE Input Voltage Noise f = 0.1 Hz to 10 Hz 2 2 μV p-p f = 10 Hz 25 25 nV/√Hz f = 100 Hz 21 21 nV/√Hz f = 1 kHz 16 16 nV/√Hz f = 10 kHz 13 13 nV/√Hz Input Current Noise f = 0.1 Hz to 10 Hz 18 18 fA p-p f = 1 kHz 0.8 0.8 fA/√Hz Harmonic Distortion R L = 10 kΩ to 2.5 V f = 10 kHz V OUT = 0.25 V to 4.75 V −93 −93 dB DYNAMIC PERFORMANCE Unity Gain Frequency 1.8 1.8 MHz Full Power Response V OUT p-p = 4.5 V 210 210 kHz Slew Rate 3 3 V/μs Settling Time V OUT = 0.2 V to 4.5 V To 0.1% 1.4 1.4 μs To 0.01% 1.8 1.8 μs INPUT CHARACTERISTICS Common-Mode Voltage Range1 T MIN to TMAX −0.2 +4 –0.2 +4 V CMRR V CM = 0 V to 2 V 66 80 72 80 dB T MIN to TMAX 66 66 dB Input Impedance Differential 1013||0.5 1013||0.5 Ω||pF Common Mode 1013||2.8 1013||2.8 Ω||pF |
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