Datasheet

4
LT1078/LT1079
10789fe
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the temperature range
–40°C ≤ T
A
≤ 85°C for I grades, – 55°C ≤ T
A
≤ 125°C for AM/M grades. V
S
= 5V, 0V, V
CM
= 0.1V, V
O
= 1.4V unless otherwise noted.
LT1078I/LT1079I
LT1078AM/LT1079AM LT1078M/LT1079M
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1078 ● 70 250 95 370 μV
LT1078IS8/LT1079 ● 80 280 100 400 μV
LT1079ISW ● 100 560 μV
ΔV
OS
Input Offset Voltage Drift ● 0.4 1.8 0.5 2.5 μV/°C
ΔT (Note 6) LT1078IS8
● 0.6 3.5 μV/°C
LT1079ISW ● 0.7 4.0 μV/°C
I
OS
Input Offset Current ● 0.07 0.50 0.07 0.70 nA
LT1078I/LT1079I ● 0.1 1.0 nA
I
B
Input Bias Current ● 710 712 nA
CMRR Common Mode Rejection Ratio V
CM
= 0.05V to 3.2V ● 92 106 88 104 dB
PSRR Power Supply Rejection Ratio V
S
= 3.1V to 12V ● 98 110 94 110 dB
A
VOL
Large-Signal Voltage Gain V
O
= 0.05V to 4V, No Load ● 110 600 80 600 V/mV
V
O
= 0.05V to 3.5V, R
L
= 50k ● 80 400 60 400 V/mV
Maximum Output Voltage Output Low, No Load
● 4.5 8 4.5 8 mV
Swing Output Low, I
SINK
= 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
I
S
Supply Current per Amplifier ● 43 60 45 70 μA
LT1078C/LT1079C
LT1078AC/LT1079AC LT1078S8/LT1079SW
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1078 ● 50 150 60 240 μV
LT1079
● 60 180 70 270 μV
LT1078S8
● 85 350 μV
LT1079SW ● 90 480 μV
ΔV
OS
Input Offset Voltage Drift ● 0.4 1.8 0.5 2.5 μV/°C
ΔT (Note 6) LT1078S8
● 0.6 3.5 μV/°C
LT1079SW ● 0.7 4.0 μV/°C
I
OS
Input Offset Current ● 0.06 0.35 0.06 0.50 nA
I
B
Input Bias Current ● 69 611nA
CMRR Common Mode Rejection Ratio V
CM
= 0V to 3.4V ● 94 108 90 106 dB
PSRR Power Supply Rejection Ratio V
S
= 2.6V to 12V ● 100 112 97 112 dB
A
VOL
Large-Signal Voltage Gain V
O
= 0.05V to 4V, No Load ● 150 750 110 750 V/mV
V
O
= 0.05V to 3.5V, R
L
= 50k ● 110 500 80 500 V/mV
Maximum Output Voltage Output Low, No Load
● 4.0 7 4.0 7 mV
Swing Output Low, I
SINK
= 100μA ● 105 150 105 150 mV
Output High, No Load
● 4.1 4.3 4.1 4.3 V
Output High, 2k to GND ● 3.3 3.8 3.3 3.8 V
I
S
Supply Current per Amplifier ● 40 55 42 63 μA
The ● denotes the specifications which apply over the temperature range 0°C ≤ T
A
≤ 70°C. V
S
= 5V, 0V, V
CM
= 0.1V, V
O
= 1.4V
unless otherwise noted.