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AD8546 датащи(PDF) 5 Page - Analog Devices |
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AD8546 датащи(HTML) 5 Page - Analog Devices |
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5 / 24 page ![]() AD8546 Rev. 0 | Page 5 of 24 ELECTRICAL CHARACTERISTICS—18 V OPERATION VSY = 18 V, VCM = VSY/2, TA = 25°C, unless otherwise specified. Table 4. Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage VOS VCM = 0 V to 18 V 3 mV VCM = 0.3 V to 17.7 V; −40°C ≤ TA ≤ +85°C 4.5 mV VCM = 0 V to 18 V; −40°C ≤ TA ≤ +85°C 5 mV VCM = 0.3 V to 17.7 V; −40°C ≤ TA ≤ +125°C 11 mV VCM = 0 V to 18 V; −40°C ≤ TA ≤ +125°C 14 mV Input Bias Current IB 5 20 pA −40°C ≤ TA ≤ +125°C 2.9 nA Input Offset Current IOS 40 pA −40°C ≤ TA ≤ +125°C 500 pA Input Voltage Range 0 18 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 18 V 80 95 dB VCM = 0.3 V to 17.7 V; −40°C ≤ TA ≤ +85°C 77 dB VCM = 0 V to 18 V; −40°C ≤ TA ≤ +85°C 72 dB VCM = 0.3 V to 17.7 V; −40°C ≤ TA ≤ +125°C 65 dB VCM = 0 V to 18 V; −40°C ≤ TA ≤ +125°C 63 dB Large Signal Voltage Gain AVO RL = 100 kΩ; VO = 0.5 V to 17.5 V 88 100 dB −40°C ≤ TA ≤ +85°C 82 dB −40°C ≤ TA ≤ +125°C 73 dB Offset Voltage Drift ΔVOS/ΔT 3 μV/°C Input Resistance RIN 10 GΩ Input Capacitance Differential Mode CINDM 3.5 pF Common Mode CINCM 10.5 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 100 kΩ to VCM; −40°C ≤ TA ≤ +125°C 17.97 V Output Voltage Low VOL RL = 100 kΩ to VCM; −40°C ≤ TA ≤ +125°C 30 mV Short-Circuit Current ISC ±12 mA Closed-Loop Output Impedance ZOUT f = 1 kHz; AV = +1 15 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VSY = 2.7 V to 18 V 90 120 dB −40°C ≤ TA ≤ +125°C 70 dB Supply Current per Amplifier ISY IO = 0 mA 18 22 μA −40°C ≤ TA ≤ +125°C 33 μA DYNAMIC PERFORMANCE Slew Rate SR RL = 1 MΩ; CL = 10 pF; AV = +1 70 V/ms Settling Time to 0.1% tS VIN = 1 V step; RL = 100 kΩ; CL = 10 pF 12 μs Gain Bandwidth Product GBP RL = 1 MΩ; CL = 10 pF; AV = +1 200 kHz Phase Margin ΦM RL = 1 MΩ; CL = 10 pF; AV = +1 60 Degrees Channel Separation CS f = 10 kHz; RL = 1 MΩ 105 dB NOISE PERFORMANCE Voltage Noise en p-p f = 0.1 Hz to 10 Hz 5 μV p-p Voltage Noise Density en f = 1 kHz 50 nV/√Hz f = 10 kHz 45 nV/√Hz Current Noise Density in f = 1 kHz 0.1 pA/√Hz |
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