Datasheet

LT1678/LT1679
5
sn16789 16789fs
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX UNITS
V
OS
Input Offset Voltage 20 150 µV
0°C ≤ T
A
≤ 70°C ● 30 350 µV
–40°C ≤ T
A
≤ 85°C ● 45 420 µV
∆V
OS
Average Input Offset Drift (Note 10) ● 0.40 3 µV/°C
∆Temp
I
B
Input Bias Current ±2 ±20 nA
0°C ≤ T
A
≤ 70°C ● ±3 ±35 nA
–40°C ≤ T
A
≤ 85°C ● ±7 ±50 nA
I
OS
Input Offset Current 325 nA
0°C ≤ T
A
≤ 70°C ● 535 nA
–40°C ≤ T
A
≤ 85°C ● 855 nA
e
n
Input Noise Voltage 0.1Hz to 10Hz (Note 7) 90 nV
P-P
V
CM
= 15V 180 nV
P-P
V
CM
= –15V 1600 nV
P-P
Input Noise Voltage Density f
O
= 10Hz 4.4 nV/√Hz
V
CM
= 15V, f
O
= 10Hz 6.6 nV/√Hz
V
CM
= –15V, f
O
= 10Hz 19 nV/√Hz
f
O
= 1kHz 3.9 5.5 nV/√Hz
V
CM
= 15V, f
O
= 1kHz 5.3 nV/√Hz
V
CM
= –15V, f
O
= 1kHz 9 nV/√Hz
i
n
Input Noise Current Density f
O
= 10Hz 1.2 pA/√Hz
f
O
= 1kHz 0.3 pA/√Hz
V
CM
Input Voltage Range (Note 16) ● – 13.3 14 V
R
IN
Input Resistance Common Mode 2 GΩ
C
IN
Input Capacitance 4.2 pF
CMRR Common Mode Rejection Ratio V
CM
= –13.3V to 14V 100 130 dB
● 96 124 dB
PSRR Power Supply Rejection Ratio V
S
= ±1.7V to ±18V 106 130 dB
● 100 125 dB
A
VOL
Large-Signal Voltage Gain R
L
= 10k, V
O
= ±14V 3 7 V/µV
0°C ≤ T
A
≤ 70°C ● 26 V/µV
–40°C ≤ T
A
≤ 85°C ● 14 V/µV
R
L
= 2k, V
O
= ±13.5V 0.8 1.7 V/µV
0°C ≤ T
A
≤ 70°C ● 0.5 1.4 V/µV
–40°C ≤ T
A
≤ 85°C ● 0.4 1.1 V/µV
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
S
= ±15V, V
CM
= V
O
= 0V unless otherwise noted.
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