Datasheet AD8641, AD8642, AD8643 (Analog Devices) - 3

制造商Analog Devices
描述Low Power, Rail-to-Rail Output, Precision JFET Amplifiers
页数 / 页15 / 3 — Data Sheet. AD8641/AD8642/AD8643. SPECIFICATIONS ELECTRICAL …
修订版F
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Data Sheet. AD8641/AD8642/AD8643. SPECIFICATIONS ELECTRICAL CHARACTERISTICS. Table 1. Parameter. Symbol. Test Conditions/Comments

Data Sheet AD8641/AD8642/AD8643 SPECIFICATIONS ELECTRICAL CHARACTERISTICS Table 1 Parameter Symbol Test Conditions/Comments

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Data Sheet AD8641/AD8642/AD8643 SPECIFICATIONS ELECTRICAL CHARACTERISTICS
VS = 5.0 V, VCM = 2.5 V, TA = 25°C, unless otherwise noted.
Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage VOS 50 750 µV AD8643 LFCSP only 1 mV −40°C < TA < +85°C 1.5 mV +85°C < TA < +125°C, VCM = 1.5 V 1.6 mV Input Bias Current IB 0.25 1 pA −40°C < TA < +125°C 180 pA Input Offset Current IOS 0.5 pA −40°C < TA < +125°C 60 pA Input Voltage Range 0 3 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 2.5 V 74 93 dB Large Signal Voltage Gain AVO RL = 10 kΩ, VO = 0.5 to 4.5 V 80 140 V/mV Offset Voltage Drift ∆VOS/∆T −40°C < TA < +125°C 2.5 µV/°C OUTPUT CHARACTERISTICS Output Voltage High VOH 4.95 V IL = 1 mA, −40°C to +125°C 4.94 V Output Voltage Low VOL 0.05 V IL = 1 mA, −40°C to +125°C 0.01 0.05 V Output Current IOUT ±6 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VS = 5 V to 26 V 90 107 dB Supply Current/Amplifier ISY 195 250 µA −40°C < TA < +125°C 270 µA DYNAMIC PERFORMANCE Slew Rate SR 2 V/µs Gain Bandwidth Product GBP AD8641, AD8642 3 MHz AD8643 2.5 MHz Phase Margin Øm 50 Degrees NOISE PERFORMANCE Voltage Noise eN p-p f = 0.1 Hz to 10 Hz 4.0 µV p-p Voltage Noise Density eN f = 1 kHz 28.5 nV/√Hz Current Noise Density iN f = 1 kHz 0.5 fA/√Hz Rev. F | Page 3 of 15 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE