Datasheet

4
LT1057/LT1058
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The denotes the specifications which apply over the temperature range of 0°C T
A
70°C or -40°C T
A
85°C (LT1057IS8),
otherwise specifications are T
A
= 25°C. V
S
= ±15V, V
CM
= 0V, unless noted.
(LT1057/LT1058 SW Package Only), V
S
= ± 15V, T
A
= 25°C, V
CM
= 0V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
i
n
Input Noise Current Density f
O
= 10Hz, 1kHz 1.8 fA/Hz
A
VOL
Large-Signal Voltage Gain V
O
= ±10V R
L
= 2k 100 300 V/mV
R
L
= 1k 50 220
Input Voltage Range ±10.5 14.3 V
11.5
CMRR Common-Mode Rejection Ratio V
CM
= ±15V LT1057 82 98 dB
LT1058 80 98
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±18V 86 102 dB
V
OUT
Output Voltage Swing R
L
= 2k ±12 ±13 V
SR Slew Rate 8 13 V/µs
GBW Gain-Bandwidth Product f = 1MHz (Note 6) 3 5 MHz
I
S
Supply Current Per Amplifier 1.7 2.8 mA
Channel Seperation DC to 5kHz, V
IN
=±10V 130 dB
LT1057AC LT1057C
LT1058AC LT1058C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1057 250 800 330 1400 µV
LT1057IS8
500 2300 µV
LT1057S8
400 1900 µV
LT1058
300 1200 400 1800 µV
Average Temperature LT1057 H/J8 Package 1.8 7 2.3 12 µV/°C
Coefficient of Input N8 Package
310 416µV/°C
(Offset Voltage) LT1057S8 (Note 5)
416µV/°C
LT1057IS8 (Note 5)
4.5 16 µV/°C
LT1058 J Package (Note 5)
2.5 10 3 15 µV/°C
N Package (Note 5)
415 522µV/°C
I
OS
lnput Offset Current Warmed Up, T
A
= 70°C 18 150 20 250 pA
LT1057IS8
35 600
I
B
Input Bias Current Warmed Up, T
A
= 70°C ± 50 ± 250 ± 60 ± 350 pA
LT1057IS8
± 100 ± 900
A
VOL
Large-Signal Voltage Gain V
O
= ± 10V, R
L
= 2k 70 220 50 200 V/mV
CMRR Common Mode Rejection Ratio V
CM
= ± 10.4V 85 98 80 96 dB
PSRR Power Supply Rejection Ratio V
S
= ± 10V to ± 18V 87 102 84 100 dB
V
OUT
Output Voltage Swing R
L
= 2k ±12 ±12.8 ±12 ±12.8 V
I
S
Supply Current Per Amplifier 2.8 3.2 mA
T
A
= 70°C 1.4 1.5 mA