link to page 24 link to page 24 Data SheetADA4666-2SPECIFICATIONS ELECTRICAL CHARACTERISTICS—18 V OPERATION VSY = 18 V, VCM = VSY/2 V, TA = 25°C, unless otherwise specified. Table 2. ParameterSymbolTest Conditions/CommentsMinTypMaxUnit INPUT CHARACTERISTICS Offset Voltage VOS 0.5 2.2 mV VCM = 0 V to 18 V 2.2 mV VCM = 0 V to 18 V; −40°C ≤ TA ≤ +125°C 3.5 mV Offset Voltage Drift ΔVOS/ΔT −40°C ≤ TA ≤ +125°C 0.6 3.1 μV/°C Input Bias Current IB 0.5 15 pA −40°C ≤ TA ≤ +85°C 100 pA −40°C ≤ TA ≤ +125°C 900 pA Input Offset Current IOS 11 pA −40°C ≤ TA ≤ +85°C 30 pA −40°C ≤ TA ≤ +125°C 300 pA Input Voltage Range 0 18 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 18 V 80 95 dB VCM = 0 V to 18 V; −40°C ≤ TA ≤ +125°C 77 dB Large Signal Voltage Gain AVO RL = 100 kΩ, VO = 0.5 V to 17.5 V 120 147 dB −40°C ≤ TA ≤ +125°C 120 dB Input Resistance Differential Mode RINDM >10 GΩ Common Mode RINCM >10 GΩ Input Capacitance Differential Mode CINDM 8.5 pF Common Mode CINCM 3 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 10 kΩ to VCM 17.95 17.97 V −40°C ≤ TA ≤ +125°C 17.94 V RL = 1 kΩ to VCM 17.6 17.79 V −40°C ≤ TA ≤ +125°C 17.58 V Output Voltage Low VOL RL = 10 kΩ to VCM 14 25 mV −40°C ≤ TA ≤ +125°C 40 mV RL = 1 kΩ to VCM 120 200 mV −40°C ≤ TA ≤ +125°C 300 mV Continuous Output Current IOUT Dropout voltage = 1 V 40 mA Short-Circuit Current ISC Pulse width = 10 ms; refer to the Maximum ±220 mA Power Dissipation section Closed-Loop Output Impedance ZOUT f = 100 kHz, AV = 1 0.2 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VSY = 3.0 V to 18 V 120 145 dB −40°C ≤ TA ≤ +125°C 120 dB Supply Current per Amplifier ISY IOUT = 0 mA 630 725 µA −40°C ≤ TA ≤ +125°C 975 µA DYNAMIC PERFORMANCE Slew Rate SR RS = 1 kΩ, RL = 10 kΩ, CL = 10 pF, AV = 1 2 V/µs Gain Bandwidth Product GBP VIN = 10 mV p-p, RL = 10 kΩ, CL = 10 pF, AV = 100 4 MHz Unity-Gain Crossover UGC VIN = 10 mV p-p, RL = 10 kΩ, CL = 10 pF, AVO = 1 4 MHz −3 dB Closed-Loop Bandwidth f−3 dB VIN = 10 mV p-p, RL = 10 kΩ, CL = 10 pF, AV = 1 2.1 MHz Phase Margin ΦM VIN = 10 mV p-p, RL = 10 kΩ, CL = 10 pF, AVO = 1 60 Degrees Settling Time to 0.1% tS VIN = 1 V step, RL = 10 kΩ, CL = 10 pF 1.3 µs Rev. 0 | Page 3 of 32 Document Outline Features Applications General Description Pin Connection Diagrams Revision History Specifications Electrical Characteristics—18 V Operation Electrical Characteristics—10 V Operation Electrical Characteristics—3.0 V Operation Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Applications Information Input Stage Gain Stage Output Stage Maximum Power Dissipation Rail-to-Rail Input and Output Comparator Operation EMI Rejection Ratio Current Shunt Monitor Active Filters Capacitive Load Drive Noise Considerations with High Impedance Sources Outline Dimensions Ordering Guide