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ADA4051-2ARMZ Datasheet(PDF) 3 Page - Analog Devices |
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ADA4051-2ARMZ Datasheet(HTML) 3 Page - Analog Devices |
3 / 20 page ADA4051-1/ADA4051-2 Rev. B | Page 3 of 20 SPECIFICATIONS ELECTRICAL CHARACTERISTICS—1.8 V OPERATION VSY = 1.8 V, VCM = VSY/2 V, TA = 25°C, RL = 100 kΩ to GND, unless otherwise noted. Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage VOS ADA4051-2 0 V ≤ VCM ≤ 1.8 V 2 15 μV ADA4051-1 0 V ≤ VCM ≤ 1.8 V 2 17 μV Offset Voltage Drift ∆VOS/∆T −40°C ≤ TA ≤ +125°C 0.02 0.1 μV/°C Input Bias Current IB 5 50 pA −40°C ≤ TA ≤ +125°C 200 pA Input Offset Current IOS 10 100 pA −40°C ≤ TA ≤ +125°C 150 pA Input Voltage Range −40°C ≤ TA ≤ +125°C 0 1.8 V Common-Mode Rejection Ratio CMRR 0 V ≤ VCM ≤ 1.8 V 105 125 dB −40°C ≤ TA ≤ +125°C 100 dB Large-Signal Voltage Gain AVO RL = 10 kΩ to VCM, 0.1 V ≤ VOUT ≤ VSY − 0.1 V 106 130 dB −40°C ≤ TA ≤ +125°C 100 dB Input Resistance RIN 8 MΩ Input Capacitance, Differential Mode CINDM 2 pF Input Capacitance, Common Mode CINCM 5 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 100 kΩ to VCM 1.796 1.799 V −40°C ≤ TA ≤ +125°C 1.79 V RL = 10 kΩ to VCM 1.76 1.796 V −40°C ≤ TA ≤ +125°C 1.7 V Output Voltage Low VOL RL = 100 kΩ to VCM 1 3 mV −40°C ≤ TA ≤ +125°C 9 mV RL = 10 kΩ to VCM 3 20 mV −40°C ≤ TA ≤ +125°C 40 mV Short-Circuit Current ISC VOUT = VSY or GND 13 mA Closed-Loop Output Impedance ZOUT f = 1 kHz, G = 10 1 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR 1.8 V ≤ VSY ≤ 5.5 V 110 135 dB −40°C ≤ TA ≤ +125°C 106 dB Supply Current per Amplifier ISY ADA4051-2 VOUT = VSY/2 13 17 μA ADA4051-1 VOUT = VSY/2 15 18 μA −40°C ≤ TA ≤ +125°C 20 μA DYNAMIC PERFORMANCE Slew Rate SR+ RL = 10 kΩ, CL = 100 pF, G = 1 0.04 V/μs SR− RL = 10 kΩ, CL = 100 pF, G = 1 0.03 V/μs Settling Time tS To 0.1%, VIN = 1 V p-p, RL = 10 kΩ, CL = 100 pF 120 μs Gain Bandwidth Product GBP CL = 100 pF, G = 1 115 kHz Phase Margin ΦM CL = 100 pF, G = 1 40 Degrees Channel Separation CS VIN = 1.7 V, f = 100 Hz 140 dB NOISE PERFORMANCE Voltage Noise en p-p f = 0.1 Hz to 10 Hz 1.96 μV p-p Voltage Noise Density en f = 1 kHz 95 nV/√Hz Current Noise Density in f = 1 kHz 100 fA/√Hz |
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