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AD8591ART 数据表(PDF) 3 Page - Analog Devices |
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AD8591ART 数据表(HTML) 3 Page - Analog Devices |
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3 / 15 page ![]() –3– REV. A AD8591/AD8592/AD8594 ELECTRICAL CHARACTERISTICS Parameter Symbol Conditions Min Typ Max Units INPUT CHARACTERISTICS Offset Voltage VOS 225 mV –40 °C < T A < +85°C30 mV Input Bias Current IB 550 pA –40 °C < T A < +85 °C60 pA Input Offset Current IOS 125 pA –40 °C < T A < +85 °C30 pA Input Voltage Range 0+5 V Common-Mode Rejection Ratio CMRR VCM = 0 V to +5 V 38 47 dB Large Signal Voltage Gain AVO RL = 2 k Ω , V O = +0.5 V to +4.5 V 15 30 V/mV Offset Voltage Drift ∆V OS/ ∆T –40 °C < T A < +85 °C20 µV/°C Bias Current Drift ∆I B/∆T 50 fA/ °C Offset Current Drift ∆I OS/ ∆T 20 fA/ °C OUTPUT CHARACTERISTICS Output Voltage High VOH IL = 10 mA +4.9 +4.94 V –40 °C to +85°C +4.85 V Output Voltage Low VOL IL = 10 mA 50 100 mV –40 °C to +85°C 125 mV Output Current IOUT ±250 mA Open-Loop Impedance ZOUT f = 1 MHz, AV = 1 40 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VS = +2.5 V to +6 V 45 55 dB Supply Current/Amplifier ISY VO = 0 V 1.25 mA –40 °C < T A < +85°C 1.75 mA Supply Current-Shutdown Mode ISD All Amplifiers Shut Down 0.1 1 µA –40 °C < T A < +85 °C1 µA ISD1 Amplifier 1 Shut Down (AD8592) 1.6 mA ISD2 Amplifier 2 Shut Down (AD8592) 1.6 mA SHUTDOWN INPUTS Logic High Voltage VINH –40 °C < T A < +85 °C +2.4 V Logic Low Voltage VINL –40 °C < T A < +85 °C +0.8 V Logic Input Current IIN –40 °C < T A < +85°C1 µA DYNAMIC PERFORMANCE Slew Rate SR RL = 2 kΩ 5V/ µs Full-Power Bandwidth BWP 1% Distortion 325 kHz Settling Time tS To 0.01% 1.6 µs Gain Bandwidth Product GBP 3 MHz Phase Margin Φo 70 Degrees Channel Separation CS f = 1 kHz, RL = 10 k Ω 65 dB NOISE PERFORMANCE Voltage Noise Density en f = 1 kHz 45 nV/ √Hz f = 10 kHz 30 nV/ √Hz Current Noise Density in f = 1 kHz 0.05 pA/ √Hz Specifications subject to change without notice. (VS = +5.0 V, VCM = +2.5 V, TA = +25 C unless otherwise noted) |
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