Datasheet AD8657, AD8659 (Analog Devices) - 5

Data Sheet AD8657/AD8659 ELECTRICAL CHARACTERISTICS—2.7 V OPERATION
VSY = 2.7 V, VCM = VSY/2 V, TA = 25°C, unless otherwise specified.
Table 4. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage VOS VCM = 0 V to 2.7 V 350 µV VCM = 0.3 V to 2.4 V, −40°C ≤ TA ≤ +85°C 1.2 mV VCM = 0.3 V to 2.4 V, −40°C ≤ TA ≤ +125°C 2.5 mV VCM = 0 V to 2.7 V, −40°C ≤ TA ≤ +125°C 16 mV Input Bias Current IB 1 10 pA −40°C ≤ TA ≤ +125°C 2.6 nA Input Offset Current IOS 20 pA −40°C ≤ TA ≤ +125°C 5.2 nA Input Voltage Range 0 2.7 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 2.7 V 77 95 dB VCM = 0.3 V to 2.4 V, −40°C ≤ TA ≤ +85°C 69 dB VCM = 0.3 V to 2.4 V, −40°C ≤ TA ≤ +125°C 62 dB VCM = 0 V to 2.7 V, −40°C ≤ TA ≤ +125°C 47 dB Large Signal Voltage Gain AVO RL = 100 kΩ, VO = 0.5 V to 2.2 V 95 105 dB −40°C ≤ TA ≤ +125°C 90 dB Offset Voltage Drift ΔVOS/ΔT 2 μV/°C Input Resistance RIN 10 GΩ Input Capacitance, Differential Mode CINDM 11 pF Input Capacitance, Common Mode CINCM 3.5 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 100 kΩ to VCM, −40°C ≤ TA ≤ +125°C 2.69 V Output Voltage Low VOL RL = 100 kΩ to VCM, −40°C ≤ TA ≤ +125°C 10 mV Short-Circuit Current ISC ±4 mA Closed-Loop Output Impedance ZOUT f = 1 kHz, AV = 1 20 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VSY = 2.7 V to 18 V 100 115 dB −40°C ≤ TA ≤ +125°C 90 dB Supply Current per Amplifier ISY IO = 0 mA 18 22 µA −40°C ≤ TA ≤ +125°C 34 µA DYNAMIC PERFORMANCE Slew Rate SR RL = 1 MΩ, CL = 10 pF, AV = 1 50 V/ms Settling Time to 0.1% ts VIN = 1 V step, RL = 100 kΩ, CL = 10 pF 20 µs Unity-Gain Crossover UGC VIN = 10 mV p-p, RL = 1 MΩ, CL = 10 pF, AV = 1 190 kHz Phase Margin ΦM VIN = 10 mV p-p, RL = 1 MΩ, CL = 10 pF, AV = 1 55 Degrees Gain Bandwidth Product GBP VIN = 10 mV p-p, RL = 1 MΩ, CL = 10 pF, AV = 100 200 kHz −3 dB Closed-Loop Bandwidth f−3 dB VIN = 10 mV p-p, RL = 1 MΩ, CL = 10 pF, AV = 1 245 kHz Channel Separation CS f = 10 kHz, RL = 1 MΩ 95 dB EMI Rejection Ratio of +IN x EMIRR VIN = 100 mVPEAK; f = 400 MHz, 900 MHz, 90 dB 1800 MHz, 2400 MHz NOISE PERFORMANCE Voltage Noise en p-p f = 0.1 Hz to 10 Hz 6 µV p-p Voltage Noise Density en f = 1 kHz 60 nV/√Hz f = 10 kHz 56 nV/√Hz Current Noise Density in f = 1 kHz 0.1 pA/√Hz Rev. C | Page 5 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONNECTION DIAGRAMS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS—18 V OPERATION ELECTRICAL CHARACTERISTICS—10 V OPERATION ELECTRICAL CHARACTERISTICS—2.7 V OPERATION ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION INPUT STAGE OUTPUT STAGE RAIL TO RAIL RESISTIVE LOAD Inverting Op Amp Configuration Noninverting Op Amp Configuration COMPARATOR OPERATION—AD8657 EMI REJECTION RATIO 4 mA TO 20 mA PROCESS CONTROL CURRENT LOOP TRANSMITTER—AD8657 OUTLINE DIMENSIONS ORDERING GUIDE