Datasheet

4
LT1168
1168fa
The ● denotes the specifications which apply over the 0°C ≤ T
A
≤ 70°C
temperature range. V
S
= ±15V, V
CM
= 0V, R
L
= 10k unless otherwise noted.
The
● denotes the specifications which apply over the –40°C ≤ T
A
≤ 85°C temperature range. V
S
= ±15V, V
CM
= 0V, R
L
= 10k unless
otherwise noted. (Note 8)
LT1168AI LT1168I
SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX MIN TYP MAX UNITS
Gain Error G = 1 ● 0.014 0.04 0.015 0.05 %
G = 10 (Note 7)
● 0.600 1.9 0.700 2.0 %
G = 100 (Note 7)
● 0.600 2.0 0.700 2.1 %
G = 1000 (Note 7)
● 0.600 2.1 0.700 2.2 %
G
N
Gain Nonlinearity V
O
= ±10V, G = 1 ● 3 20 5 25 ppm
(Notes 7, 8) V
O
= ±10V, G = 10 and 100 ● 10 35 15 40 ppm
VO = ±10V, G = 1000
● 30 70 35 100 ppm
∆G/∆T Gain vs Temperature G < 1000 (Note 7) ● 100 200 100 200 ppm/°C
LT1168AC LT1168C
SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX MIN TYP MAX UNITS
V
OST
Total Input Referred Offset Voltage V
OST
= V
OSI
+ V
OSO
/G
V
OSI
Input Offset Voltage V
S
= ±5V to ±15V ● 18 60 23 80 µV
V
OSIH
Input Offset Voltage Hysteresis (Notes 7, 10) ● 3.0 3.0 µV
V
OSO
Output Offset Voltage V
S
= ±5V to ±15V ● 60 380 70 500 µV
V
OSOH
Output Offset Voltage Hysteresis (Notes 7, 10) ● 30 30 µV
V
OSI
/T Input Offset Drift (RTI) (Note 9) ● 0.05 0.3 0.06 0.4 µV/°C
V
OSO
/T Output Offset Drift (Note 9) ● 0.7 3 0.8 4 µV/°C
I
OS
Input Offset Current ● 100 400 120 550 pA
I
OS
/T Input Offset Current Drift ● 0.3 0.4 pA/°C
I
B
Input Bias Current ● 65 350 105 600 pA
I
B
/T Input Bias Current Drift ● 1.4 1.4 pA/°C
V
CM
Input Voltage Range G = 1, Other Input Grounded
V
S
= ±2.3V to ±5V ● –V
S
+ 2.1 +V
S
– 1.3 –V
S
+ 2.1 +V
S
– 1.3 V
V
S
= ±5V to ±18V ● –V
S
+ 2.1 +V
S
– 1.4 –V
S
+ 2.1 +V
S
– 1.4 V
CMRR Common Mode 1k Source Imbalance,
Rejection Ratio V
CM
= 0V to ±10V
G = 1
● 88 92 83 92 dB
G = 10
● 100 110 97 110 dB
G = 100
● 115 120 113 120 dB
G = 1000
● 117 135 114 135 dB
PSRR Power Supply V
S
= ±2.3V to ±18V
Rejection Ratio G = 1
● 102 115 98 115 dB
G = 10
● 123 130 118 130 dB
G = 100
● 127 135 124 135 dB
G = 1000
● 129 145 126 145 dB
I
S
Supply Current V
S
= ±2.3V to ±18V ● 390 615 390 615 µA
V
OUT
Output Voltage Swing R
L
= 10k
V
S
= ±2.3V to ±5V ● –V
S
+ 1.4 +V
S
– 1.3 –V
S
+ 1.4 +V
S
– 1.3 V
V
S
= ±5V to ±18V ● –V
S
+ 1.6 +V
S
– 1.5 –V
S
+ 1.6 +V
S
– 1.5 V
I
OUT
Output Current ● 16 25 16 25 mA
SR Slew Rate G = 1, V
OUT
= ±10V ● 0.25 0.48 0.25 0.48 V/µs
V
REF
Voltage Range (Note 9) ● –V
S
+ 1.6 +V
S
– 1.6 –V
S
+ 1.6 +V
S
– 1.6 V
ELECTRICAL CHARACTERISTICS