Datasheet AD8641, AD8642, AD8643 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Low Power, Rail-to-Rail Output, Precision JFET Amplifiers |
| Pages / Page | 15 / 3 — Data Sheet. AD8641/AD8642/AD8643. SPECIFICATIONS ELECTRICAL … |
| Revision | F |
| File Format / Size | PDF / 323 Kb |
| Document Language | English |
Data Sheet. AD8641/AD8642/AD8643. SPECIFICATIONS ELECTRICAL CHARACTERISTICS. Table 1. Parameter. Symbol. Test Conditions/Comments
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Text Version of Document
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
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
