Datasheet LT2078, LT2079 (Analog Devices) - 3

LT 2078/LT 2079
ELECTRICAL CHARACTERISTICS VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, TA = 25
°
C, unless otherwise noted. LT2078AC/LT2078AI LT2078C/LT2078I LT2079AC/LT2079AI LT2079C/LT2079I SYMBOL PARAMETER CONDITIONS (NOTE 1) MIN TYP MAX MIN TYP MAX UNITS
AVOL Large-Signal Voltage Gain VO = 0.03V to 4V, No Load 200 1000 150 1000 V/mV VO = 0.03V to 3.5V, RL = 50k 150 600 120 600 V/mV Maximum Output Voltage Output Low, No Load 3.5 6 3.5 6 mV Swing Output Low, 2k to GND 0.55 1.2 0.55 1.2 mV Output Low, ISINK = 100µA 95 130 95 130 mV Output High, No Load 4.2 4.4 4.2 4.4 V Output High, 2k to GND 3.5 3.9 3.5 3.9 V SR Slew Rate AV = 1, VS = ±2.5V 0.04 0.07 0.04 0.07 V/µs GBW Gain Bandwidth Product fO ≤ 20kHz 200 200 kHz IS Supply Current per Amplifier 38 50 39 55 µA Channel Separation ∆VIN = 3V, RL = 10k, f ≤ 10Hz 110 110 dB Minimum Supply Voltage (Note 5) 2.2 2.3 2.2 2.3 V
The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, – 40
°
C
≤
TA
≤
85
°
C for I grades, unless otherwise noted. LT2078AI/LT2079AI LT2078I/LT2079I SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage LT2078 ● 70 250 95 370 µV LT2079 ● 80 280 100 400 µV ∆VOS Input Offset Voltage Drift LT2078 ● 0.4 1.8 0.5 2.5 µV/°C ∆T (Note 6) LT2079 ● 0.6 3.0 0.6 3.5 µV/°C IOS Input Offset Current ● 0.07 0.70 0.1 1.0 nA IB Input Bias Current ● 7 10 7 12 nA CMRR Common Mode Rejection Ratio VCM = 0.05V to 3.2V ● 90 106 86 104 dB PSRR Power Supply Rejection Ratio VS = 3.1V to 12V ● 96 110 92 110 dB AVOL Large-Signal Voltage Gain VO = 0.05V to 4V, No Load ● 110 600 80 600 V/mV VO = 0.05V to 3.5V, RL = 50k ● 80 400 60 400 V/mV Maximum Output Voltage Output Low, No Load ● 4.5 8 4.5 8 mV Swing Output Low, ISINK = 100µA ● 125 170 125 170 mV Output High, No Load ● 3.9 4.2 3.9 4.2 V Output High, 2k to GND ● 3.0 3.7 3.0 3.7 V IS Supply Current per Amplifier ● 43 60 45 70 µA
The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, 0
°
C
≤
TA
≤
70
°
C, unless otherwise noted (Note 7) LT2078AC/LT2079AC LT2078C/LT2079C SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VOS Input Offset Voltage LT2078 ● 50 150 60 240 µV LT2079 ● 60 180 70 270 µV ∆VOS Input Offset Voltage Drift LT2078 ● 0.4 1.8 0.5 2.5 µV/°C ∆T (Note 6) LT2079 ● 0.5 3.0 0.6 3.5 µV/°C IOS Input Offset Current ● 0.06 0.35 0.06 0.50 nA IB Input Bias Current ● 6 9 6 11 nA CMRR Common Mode Rejection Ratio VCM = 0V to 3.4V ● 92 108 88 106 dB PSRR Power Supply Rejection Ratio VS = 2.6V to 12V ● 98 112 95 112 dB 20789fa 3