Datasheet

3
LT1112/LT1114
111214fb
SYMBOL PARAMETER CONDITIONS (Note 3) MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage 20 60 25 75 µV
V
S
= ±1.0V 40 110 45 130 µV
∆V
OS
Long Term Input Offset 0.3 0.3 µV/Mo
∆Time Voltage Stability
I
OS
Input Offset Current 50 180 60 230 pA
LT1114S/LT1114IS 75 330 pA
I
B
Input Bias Current ±70 ±250 ±80 ±280 pA
LT1114S/LT1114IS ±100 ±450 pA
e
n
Input Noise Voltage 0.1Hz to 10Hz (Note 10) 0.3 0.9 0.3 0.9 µV
P-P
Input Noise Voltage Density f
O
= 10Hz (Note 10) 16 28 16 28 nV/√Hz
f
O
= 1000Hz (Note 10) 14 18 14 18 nV/√Hz
i
n
Input Noise Current 0.1Hz to 10Hz 2.2 2.2 pA
P-P
Input Noise Current Density f
O
= 10Hz 0.030 0.030 pA/√Hz
f
O
= 1000Hz 0.008 0.008 pA/√Hz
V
CM
Input Voltage Range ±13.5 ±14.3 ±13.5 ±14.3 V
CMRR Common Mode Rejection Ratio V
CM
= ±13.5V 120 136 115 136 dB
PSRR Power Supply Rejection Ratio V
S
= ±1.0V to ±20V 116 126 114 126 dB
Minimum Supply Voltage (Note 5) ±1.0 ± 1.0 V
R
IN
Input Resistance
Differential Mode (Note 4) 20 50 15 40 MΩ
Common Mode 800 700 GΩ
A
VOL
Large-Signal Voltage Gain V
O
= ±12V, R
L
= 10kΩ 1000 5000 800 5000 V/mV
V
O
= ±10V, R
L
= 2kΩ 800 1500 600 1300 V/mV
V
OUT
Output Voltage Swing R
L
= 10kΩ ±13.0 ±14.0 ±13.0 ±14.0 V
R
L
= 2kΩ ±11.0 ±12.4 ±11.0 ±12.4 V
SR Slew Rate 0.16 0.30 0.16 0.30 V/µs
GBW Gain-Bandwidth Product f
O
= 10kHz 450 750 450 750 kHz
I
S
Supply Current per Amplifier 350 400 350 450 µA
V
S
= ±1.0V 320 370 320 420 µA
Channel Separation f
O
= 10Hz 150 150 dB
∆V
OS
Offset Voltage Match (Note 6) 35 100 40 130 µV
∆I
B
+
Noninverting Bias Current Match 100 450 100 500 pA
(Notes 6, 7) LT1114S/LT1114IS 120 680 pA
∆CMRR Common Mode Rejection Match (Notes 6, 8) 117 136 113 136 dB
∆PSRR Power Supply Rejection Match (Notes 6, 8) 114 130 112 130 dB
V
S
= ±15V, V
CM
= 0V, T
A
= 25°C, unless otherwise noted.
LT1112AM/AC
LT1114AM/AC
LT1112M/C/I
LT1114M/C/I
ELECTRICAL CHARACTERISTICS