Datasheet
LT1122
4
1122fb
For more information www.linear.com/LT1122
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at 0°C ≤ T
A
≤ 70°C. V
S
= ±15V, V
CM
= 0V. (Note 2)
The
l denotes the specifications which apply over the full operating temperature range, otherwise specifications
are at –55°C ≤ T
A
≤ 125°C. V
S
= ±15V, V
CM
= 0V. (Note 2)
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications
are at –40°C ≤ T
A
≤ 85°C. V
S
= ±15V, V
CM
= 0V. (Note 6)
SYMBOL PARAMETER CONDITIONS
LT1122AC/BC
LT1122CC/DC
LT1122CS/DS
UNITSMIN TYP MAX MIN TYP MAX
V
OS
Input Offset Voltage
l
350 1400 400 2000 µV
Average Temperature Coefficient of
Input Offset Voltage
l
5 18 6 25 µV/°C
I
OS
Input Offset Current
l
12 150 15 200 pA
IB Input Bias Current
l
80 600 90 800 pA
A
VOL
Large-Signal Voltage Gain V
OUT
= ±10V, R
L
≥ 2kΩ
l
120 380 100 340 V/mV
CMRR Common-Mode Rejection Ratio V
CM
= ±10V
l
82 98 78 96 dB
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±17V
l
84 101 80 99 dB
Input Voltage Range
l
±10 ±10.8 ±10 ±10.8 V
V
OUT
Output Voltage Swing R
L
= 2kΩ
l
±11.5 ±12.4 ±11.5 ±12.4 V
SR Slew Rate A
V
= –1
l
50 70 40 65 V/µs
SYMBOL PARAMETER CONDITIONS
LT1122AM/BM LT1122CS/DS
UNITSMIN TYP MAX MIN TYP MAX
V
OS
Input Offset Voltage
l
650 2400 800 3400 µV
Average Temperature Coefficient of
Input Offset Voltage
l
6 18 7 25 µV/°C
I
OS
Input Offset Current
l
0.5 6 0.6 9 nA
I
B
Input Bias Current
l
6 25 7 35 nA
A
VOL
Large-Signal Voltage Gain V
OUT
= ±10V, R
L
≥ 2kΩ
l
70 230 60 200 V/mV
CMRR Common-Mode Rejection Ratio V
CM
= ±10V
l
80 97 76 94 dB
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±17V
l
83 100 78 98 dB
Input Voltage Range
l
±10 ±10.5 ±10 ±10.5 V
V
OUT
Output Voltage Swing R
L
= 2kΩ
l
±11.3 ±12.1 ±11.3 ±12.1 V
SR Slew Rate A
V
= –1
l
45 60 35 55 V/µs
SYMBOL PARAMETER CONDITIONS
LT1122AM/BM LT1122CS/DS
UNITSMIN TYP MAX MIN TYP MAX
V
OS
Input Offset Voltage
l
450 1900 500 2700 µV
Average Temperature Coefficient of
Input Offset Voltage
l
6 20 7 28 µV/°C
I
OS
Input Offset Current
l
30 600 40 900 pA
I
B
Input Bias Current
l
230 2000 260 2700 pA
A
VOL
Large-Signal Voltage Gain V
OUT
= ±10V, R
L
≥ 2kΩ
l
95 340 80 300 V/mV
CMRR Common-Mode Rejection Ratio V
CM
= ±10V
l
80 98 76 96 dB
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±17V
l
83 100 78 98 dB
Input Voltage Range
l
±10 ±10.6 ±10 ±10.6 V
V
OUT
Output Voltage Swing R
L
= 2kΩ
l
±11.3 ±12.2 ±11.3 ±12.2 V
SR Slew Rate A
V
= –1
l
45 60 35 60 V/µs