Datasheet

LT1028/LT1128
4
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elecTrical characTerisTics
The l denotes the specifications which apply over the operating temperature range 0°C ≤ T
A
≤ 70°C. V
S
= ±15V, unless otherwise
noted.
LT1028AC
LT1128AC
LT1028C
LT1128C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 2)
l
15 80 30 125 µV
∆V
OS
∆Temp
Average Input Offset Drift (Note 8)
l
0.1 0.8 0.2 1.0 µV/°C
I
OS
Input Offset Current V
CM
= 0V
l
15 65 22 130 nA
I
B
Input Bias Current V
CM
= 0V
l
±30 ±120 ±40 ±240 nA
Input Voltage Range
l
±10.5 ±12.0 ±10.5 ±12.0 V
CMRR Common Mode Rejection Ratio V
CM
= ±10.5V
l
110 124 106 124 dB
PSRR Power Supply Rejection Ratio V
S
= ±4.5V to ±18V
l
114 132 107 132 dB
A
VOL
Large-Signal Voltage Gain R
L
≥ 2k, V
O
= ±10V
R
L
≥ 1k, V
O
= ±10V
l
5.0
4.0
25.0
18.0
3.0
2.5
25.0
18.0
V/µV
V/µV
V
OUT
Maximum Output Voltage Swing R
L
≥ 2k
R
L
≥ 600Ω (Note 10)
l
±11.5
±9.5
±12.7
±11.0
±11.5
±9.0
±12.7
±10.5
V
V
I
S
Supply Current
l
8.0 10.5 8.2 11.5 mA
The l denotes the specifications which apply over the operating
temperature range –55°C ≤ T
A
≤ 125°C. V
S
= ±15V, unless otherwise noted.
LT1028AM
LT1128AM
LT1028M
LT1128M
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 2)
l
30 120 45 180 µV
∆V
OS
∆Temp
Average Input Offset Drift (Note 8)
l
0.2 0.8 0.25 1.0 µV/°C
I
OS
Input Offset Current V
CM
= 0V
l
25 90 30 180 nA
I
B
Input Bias Current V
CM
= 0V
l
±40 ±150 ±50 ±300 nA
Input Voltage Range
l
±10.3 ±11.7 ±10.3 ±11.7 V
CMRR Common Mode Rejection Ratio V
CM
= ±10.3V
l
106 122 100 120 dB
PSRR Power Supply Rejection Ratio V
S
= ±4.5V to ±16V
l
110 130 104 130 dB
A
VOL
Large-Signal Voltage Gain R
L
≥ 2k, V
O
= ±10V
R
L
≥ 1k, V
O
= ±10V
l
3.0
2.0
14.0
10.0
2.0
1.5
14.0
10.0
V/µV
V/µV
V
OUT
Maximum Output Voltage Swing R
L
≥ 2k
l
±10.3 ±11.6 ±10.3 ±11.6 V
I
S
Supply Current
l
8.7 11.5 9.0 13.0 mA