Datasheet LT1678, LT1679 (Analog Devices) - 3

LT1678/LT1679
ELECTRICAL CHARACTERISTICS The
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denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VS = 3V, VCM = VO = 1.7V; VS = 5V, VCM = VO = 2.5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX UNITS
IOS Input Offset Current (Note 11) 4 25 nA 0°C ≤ TA ≤ 70°C ● 5 35 nA – 40°C ≤ TA ≤ 85°C ● 8 55 nA VS = 5V, VCM = VS + 0.1V 6 30 nA VS = 5V, VCM = VS – 0.3V, 0°C ≤ TA ≤ 70°C ● 10 40 nA VS = 5V, VCM = VS – 0.3V, – 40°C ≤ TA ≤ 85°C ● 15 65 nA VS = 5V, VCM = – 0.1V 0.1 1.6 µA VS = 5V, VCM = 0V, 0°C ≤ TA ≤ 70°C ● 0.1 2.0 µA VS = 5V, VCM = 0V, – 40°C ≤ TA ≤ 85°C ● 0.15 2.4 µA en Input Noise Voltage 0.1Hz to 10Hz (Note 7) 90 nVP-P VCM = VS 180 nVP-P VCM = 0V 1600 nVP-P Input Noise Voltage Density (Note 8) fO = 10Hz 4.4 nV/√Hz VCM = VS, fO = 10Hz 6.6 nV/√Hz VCM = 0V, fO = 10Hz 19 nV/√Hz fO = 1kHz 3.9 5.5 nV/√Hz VCM = VS, fO = 1kHz 5.3 nV/√Hz VCM = 0V, fO = 1kHz 9 nV/√Hz in Input Noise Current Density fO = 10Hz 1.2 pA/√Hz fO = 1kHz 0.3 pA/√Hz VCM Input Voltage Range – 0.1 VS + 0.1V V ● 0 VS – 0.3V V RIN Input Resistance Common Mode 2 GΩ CIN Input Capacitance 4.2 pF CMRR Common Mode Rejection Ratio VS = 5V, VCM = 1.9V to 3.9V 98 120 dB VS = 5V, VCM = 1.9V to 3.9V ● 92 120 dB PSRR Power Supply Rejection Ratio VS = 2.7V to 36V, VCM = VO = 1.7V 100 125 dB VS = 3.1V to 36V, VCM = VO = 1.7V ● 98 120 dB AVOL Large-Signal Voltage Gain VS = 3V, RL = 10k, VO = 2.5V to 0.7V 0.6 3 V/µV ● 0.3 2 V/µV VS = 3V, RL = 2k, VO = 2.2V to 0.7V 0.5 3 V/µV 0°C ≤ TA ≤ 70°C ● 0.4 0.9 V/µV –40°C ≤ TA ≤ 85°C ● 0.4 0.8 V/µV VS = 3V, RL = 600Ω, VO = 2.2V to 0.7V 0.20 0.43 V/µV 0°C ≤ TA ≤ 70°C ● 0.15 0.40 V/µV –40°C ≤ TA ≤ 85°C ● 0.10 0.35 V/µV VS = 5V, RL = 10k, VO = 4.5V to 0.7V 1 3.8 V/µV O°C < TA < 70°C ● 0.6 2 V/µV –40 < TA < 85°C ● 0.3 2 V/µV VS = 5V, RL = 2k, VO = 4.2V to 0.7V 0.7 3.5 V/µV 0°C ≤ TA ≤ 70°C ● 0.6 3.2 V/µV –40°C ≤ TA ≤ 85°C ● 0.5 3.0 V/µV VS = 5V, RL = 600Ω, VO = 4.2V to 0.7V 0.6 3.0 V/µV 0°C ≤ TA ≤ 70°C ● 0.5 2.8 V/µV –40°C ≤ TA ≤ 85°C ● 0.4 2.5 V/µV VOL Output Voltage Swing Low (Note 11) Above GND ISINK = 0.1mA 80 170 mV 0°C ≤ TA ≤ 70°C ● 125 200 mV – 40°C ≤ TA ≤ 85°C ● 130 250 mV sn16789 16789fs 3