Datasheet ADA4638-1 (Analog Devices) - 5

制造商Analog Devices
描述30V Auto-zero, Rail-to-Rail Output Precision Amplifier
页数 / 页25 / 5 — ADA4638-1. Data Sheet. ELECTRICAL CHARACTERISTICS—10 V OPERATION. Table …
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ADA4638-1. Data Sheet. ELECTRICAL CHARACTERISTICS—10 V OPERATION. Table 3. Parameter Symbol. Test. Conditions/Comments. Min. Typ. Max

ADA4638-1 Data Sheet ELECTRICAL CHARACTERISTICS—10 V OPERATION Table 3 Parameter Symbol Test Conditions/Comments Min Typ Max

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ADA4638-1 Data Sheet ELECTRICAL CHARACTERISTICS—10 V OPERATION
VS = 10 V, VCM = VSY/2 V, TA = 25°C, unless otherwise specified.
Table 3. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage VOS 0.1 4 μV −40°C ≤ TA ≤ +125°C; SOIC 9 μV −40°C ≤ TA ≤ +125°C; LFCSP 12 μV Offset Voltage Drift ΔVOS/ΔT −40°C ≤ TA ≤ +125°C; SOIC 0.05 μV/°C −40°C ≤ TA ≤ +125°C; LFCSP 0.08 μV/°C Input Bias Current IB 20 50 pA −40°C ≤ TA ≤ +125°C 250 pA Input Offset Current IOS 20 80 pA −40°C ≤ TA ≤ +125°C 140 pA Input Voltage Range 0 7 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 7 V 130 155 dB −40°C ≤ TA ≤ +125°C 130 dB Open-Loop Gain AVO RL = 10 kΩ, VO = 1 V to 9 V 130 160 dB −40°C ≤ TA ≤ +125°C 130 dB Input Resistance, Common Mode RINCM 250 GΩ Input Capacitance, Differential Mode CINDM 4 pF Input Capacitance, Common Mode CINCM 9 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 10 kΩ to VCM 9.96 9.97 V −40°C ≤ TA ≤ +125°C 9.95 V RL = 2 kΩ to VCM 9.85 9.86 V −40°C ≤ TA ≤ +125°C 9.75 V Output Voltage Low VOL RL = 10 kΩ to VCM 20 25 mV −40°C ≤ TA ≤ +125°C 40 mV RL = 2 kΩ to VCM 80 90 mV −40°C ≤ TA ≤ +125°C 145 mV Short-Circuit Current ISC ±22 mA Closed-Loop Output Impedance ZOUT f = 1 MHz, AV = +1 300 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VS = 4.5 V to 30 V 120 143 dB −40°C ≤ TA ≤ +125°C 120 dB Supply Current/Amplifier ISY IO = 0 mA 0.8 0.95 mA −40°C ≤ TA ≤ +125°C 1.15 mA DYNAMIC PERFORMANCE Slew Rate SR RL = 10 kΩ, CL = 20 pF, AV = +1 1.5 V/μs Overload Recovery Time RL = 10 kΩ, CL = 20 pF, AV = −100 14 μs Settling Time to 0.1% tS VIN = 2 V step, RL = 10 kΩ, CL = 20 pF, AV = −1 3 μs Unity-Gain Crossover UGC VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1 1.1 MHz Phase Margin ΦM VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1 67 Degrees Gain Bandwidth Product GBP VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +100 1.4 MHz −3 dB Closed-Loop Bandwidth f−3dB VIN = 30 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1 1.9 MHz NOISE PERFORMANCE Voltage Noise en p-p f = 0.1 Hz to 10 Hz 1.2 μV p-p Voltage Noise Density en f = 1 kHz 66 nV/√Hz Current Noise Density in f = 1 kHz 0.1 pA/√Hz Rev. 0 | Page 4 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS—30 V OPERATION ELECTRICAL CHARACTERISTICS—10 V OPERATION ELECTRICAL CHARACTERISTICS—5 V OPERATION ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION DIFFERENTIATION THEORY OF OPERATION INPUT PROTECTION NO OUTPUT PHASE REVERSAL NOISE CONSIDERATIONS 1/f Noise COMPARATOR OPERATION PRECISION LOW-SIDE CURRENT SHUNT SENSOR PRINTED CIRCUIT BOARD LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE