Datasheet

3
LT1057/LT1058
10578fb
V
S
= ± 15V, T
A
= 25°C, V
CM
= 0V unless otherwise noted. (Note 2)
(LT1057/LT1058 SW Package Only), V
S
= ± 15V, T
A
= 25°C, V
CM
= 0V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1057 0.3 2 mV
LT1058 0.35 2.5
l
OS
Input Offset Current Fully Warmed Up 5 50 pA
l
B
Input Bias Current Fully Warmed Up ±10 ±100 pA
Input Resistance –Differential 0.4 TΩ
–Common-Mode V
CM
= – 11V to 8V 0.4
V
CM
= 8V to 11V 0.05
Input Capacitance 4pF
e
n
Input Noise Voltage 0.1Hz to 10Hz LT1057 2.1 µV
P-P
LT1058 2.5
e
n
Input Noise Voltage Density f
O
= 10Hz 26 nV/√Hz
f
O
= 1kHz 13
ELECTRICAL CHARACTERISTICS
LT1057AM/LT1058AM LT1057M/LT1058M
LT1057AC/LT1058AC LT1057C/LT1058C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1057 150 450 200 800 µV
LT1057 (S8 Package) 220 1200 µV
LT1058 180 600 250 1000 µV
l
OS
Input Offset Current Fully Warmed Up 3 40 4 50 pA
l
B
Input Bias Current Fully Warmed Up ± 5 ± 50 ± 7 ± 75 pA
Input Resistance Differential 10
12
10
12
Ω
Common Mode V
CM
= – 11V to 8V 10
12
10
12
Ω
Common Mode V
CM
= 8V to 11V 10
11
10
11
Ω
Input Capacitance 4 4 pF
e
n
Input Noise Voltage 0.1Hz to 10Hz, LT1057 2.0 2.1 µV
P-P
LT1058 2.4 2.5 µV
P-P
e
n
Input Noise Voltage Density f
O
= 10Hz 26 28 nV/√Hz
f
O
= 1kHz (Note 3) 13 22 14 24 nV/√Hz
i
n
Input Noise Current Density f
O
= 10Hz, 1kHz (Note 4) 1.5 4 1.8 6 fA/√Hz
A
VOL
Large-Signal Voltage Gain V
O
= ±10V, R
L
= 2k 150 350 100 300 V/mV
V
O
= ±10V, R
L
= 1k 120 250 80 220 V/mV
Input Voltage Range ±10.5 14.3 ±10.5 14.3 V
– 11.5 – 11.5 V
CMRR Common Mode Rejection Ratio LT1057 86 100 82 98 dB
LT1058 84 98 80 96 dB
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±18V 88 103 86 102 dB
V
OUT
Output Voltage Swing R
L
= 2k ±12 ±13 ±12 ±13 V
SR Slew Rate 10 14 8 13 V/µs
GBW Gain-Bandwidth Product f = 1MHz (Note 6) 3.5 5 3 5 MHz
I
S
Supply Current Per Amplifier 1.6 2.5 1.7 2.8 mA
Channel Separation DC to 5kHz, V
IN
= ±10V 132 130 dB