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AD8450ASTZ 数据表(PDF) 6 Page - Analog Devices |
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AD8450ASTZ 数据表(HTML) 6 Page - Analog Devices |
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6 / 42 page  Data Sheet AD8450 Rev. B | Page 5 of 41 Parameter Test Conditions/Comments Min Typ Max Unit Small Signal −3 dB Bandwidth Gain = 0.2 420 kHz Gain = 0.27 730 kHz Gain = 0.4 940 kHz Gain = 0.8 1000 kHz Slew Rate 0.8 V/µs CONSTANT CURRENT AND CONSTANT VOLTAGE LOOP FILTER AMPLIFIERS Offset Voltage 150 µV Offset Voltage Drift TA = TMIN to TMAX 0.6 µV/°C Input Bias Current −5 +5 nA Over Temperature TA = TMIN to TMAX −5 +5 nA Input Common-Mode Voltage Range AVEE + 1.5 AVCC − 1.8 V Output Voltage Swing VVCLN = AVEE + 1 V, VVCLP = AVCC − 1 V AVEE + 1.5 AVCC − 1 V Over Temperature TA = TMIN to TMAX AVEE + 1.7 AVCC − 1 V Closed-Loop Output Impedance 0.01 Ω Capacitive Load Drive 1000 pF Source Short-Circuit Current 1 mA Sink Short-Circuit Current 40 mA Open-Loop Gain 140 dB CMRR ΔVCM = 10 V 100 dB PSRR ΔVS = 20 V 100 dB Voltage Noise f = 1 kHz 10 nV/√Hz Voltage Noise, Peak-to-Peak f = 0.1 Hz to 10 Hz 0.3 µV p-p Current Noise f = 1 kHz 80 fA/√Hz Current Noise, Peak-to-Peak f = 0.1 Hz to 10 Hz 5 pA p-p Small Signal Gain Bandwidth Product 3 MHz Slew Rate ΔVVINT = 10 V 1 V/μs CC to CV Transition Time 1.5 µs UNCOMMITTED OP AMP Offset Voltage 150 µV Offset Voltage Drift TA = TMIN to TMAX 0.6 µV/°C Input Bias Current −5 +5 nA Over Temperature TA = TMIN to TMAX −5 +5 nA Input Common-Mode Voltage Range AVEE + 1.5 AVCC − 1.8 V Output Voltage Swing AVEE + 1.5 AVCC − 1.5 V Over Temperature TA = TMIN to TMAX AVEE + 1.7 AVCC − 1.5 V Closed-Loop Output Impedance 0.01 Ω Capacitive Load Drive 1000 pF Short-Circuit Current 40 mA Open-Loop Gain RL = 2 kΩ 140 dB CMRR ΔVCM = 10 V 100 dB PSRR ΔVS = 20 V 100 dB Voltage Noise f = 1 kHz 10 nV/√Hz Voltage Noise, Peak-to-Peak f = 0.1 Hz to 10 Hz 0.3 µV p-p Current Noise f = 1 kHz 80 fA/√Hz Current Noise, Peak-to-Peak f = 0.1 Hz to 10 Hz 5 pA p-p Small Signal Gain Bandwidth Product 3 MHz Slew Rate ΔVOAVO = 10 V 1 V/µs |
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