Datasheet

5
LT1813/LT1814
18134fa
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 4) 0.7 2.0 mV
T
A
= 0°C to 70°C ● 2.5 mV
T
A
= –40°C to 85°C ● 3.5 mV
∆V
OS
Input Offset Voltage Drift (Note 7) T
A
= 0°C to 70°C ● 10 15 µV/°C
∆T T
A
= –40°C to 85°C ● 10 30 µV/°C
I
OS
Input Offset Current 50 400 nA
T
A
= 0°C to 70°C ● 500 nA
T
A
= –40°C to 85°C ● 600 nA
I
B
Input Bias Current –1 ±4 µA
T
A
= 0°C to 70°C ● ±5 µA
T
A
= –40°C to 85°C ● ±6 µA
e
n
Input Noise Voltage Density f = 10kHz 8 nV/√Hz
i
n
Input Noise Current Density f = 10kHz 1 pA/√Hz
R
IN
Input Resistance V
CM
= 3.5V 3 10 MΩ
Differential 1.5 MΩ
C
IN
Input Capacitance 2pF
V
CM
Input Voltage Range Guaranteed by CMRR 3.5 4.2 V
(Positive) T
A
= –40°C to 85°C ● 3.5 V
Input Voltage Range Guaranteed by CMRR 0.8 1.5 V
(Negative) T
A
= –40°C to 85°C ● 1.5 V
CMRR Common Mode Rejection Ratio V
CM
= 1.5V to 3.5V 73 82 dB
T
A
= 0°C to 70°C ● 71 dB
T
A
= –40°C to 85°C ● 70 dB
Minimum Supply Voltage Guaranteed by PSRR 2.5 4 V
T
A
= –40°C to 85°C ● 4V
A
VOL
Large-Signal Voltage Gain V
OUT
= 1.5V to 3.5V, R
L
= 500Ω 1.0 2 V/mV
T
A
= 0°C to 70°C ● 0.7 V/mV
T
A
= –40°C to 85°C ● 0.6 V/mV
V
OUT
= 1.5V to 3.5V, R
L
= 100Ω 0.7 1.5 V/mV
T
A
= 0°C to 70°C ● 0.5 V/mV
T
A
= –40°C to 85°C ● 0.4 V/mV
V
OUT
Maximum Output Swing R
L
= 500Ω, 30mV Overdrive 3.9 4.1 V
(Positive) T
A
= 0°C to 70°C ● 3.8 V
T
A
= –40°C to 85°C ● 3.7 V
R
L
= 100Ω, 30mV Overdrive 3.7 3.9 V
T
A
= 0°C to 70°C ● 3.6 V
T
A
= –40°C to 85°C ● 3.5 V
Maximum Output Swing R
L
= 500Ω, 30mV Overdrive 0.9 1.1 V
(Negative) T
A
= 0°C to 70°C ● 1.2 V
T
A
= –40°C to 85°C ● 1.3 V
R
L
= 100Ω, 30mV Overdrive 1.1 1.3 V
T
A
= 0°C to 70°C ● 1.4 V
T
A
= –40°C to 85°C ● 1.5 V
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
S
= 5V, V
CM
= 2.5V, R
L
to 2.5V, unless otherwise noted. (Note 8)