Datasheet

LT1057/LT1058
3
10578fd
ELECTRICAL CHARACTERISTICS
V
S
= ±15V, T
A
= 25°C, V
CM
= 0V unless otherwise noted. (Note 2)
SYMBOL PARAMETER CONDITIONS
LT1057AM/LT1058AM
LT1057AC/LT1058AC
LT1057M/LT1058M
LT1057C/LT1058C
UNITSMIN TYP MAX MIN TYP MAX
V
OS
Input Offset Voltage LT1057
LT1057 (S8 Package)
LT1058
150
180
450
600
200
220
250
800
1200
1000
μV
μV
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
Common Mode V
CM
= –11V to 8V
Common Mode V
CM
= 8V to 11V
10
12
10
12
10
11
10
12
10
12
10
11
Ω
Ω
Ω
Input Capacitance 4 4 pF
e
n
Input Noise Voltage 0.1Hz to 10Hz LT1057
LT1058
2.0
2.4
2.1
2.5
µV
P-P
µV
P-P
e
n
Input Noise Voltage Density f
O
= 10Hz
f
O
= 1kHz (Note 3)
26
13
22
28
14
24
nV/√Hz
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
V
O
= ±10V, R
L
= 1k
150
120
350
250
100
80
300
220
V/mV
V/mV
Input Voltage Range ±10.5 14.3
–11.5
±10.5 14.3
–11.5
V
V
CMRR Common Mode Rejection Ratio
, LT1057
LT1058
86
84
100
98
82
80
98
96
dB
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
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1057
LT1058
0.3
0.35
2
2.5
mV
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
–Common Mode
V
CM
= –11V to 8V
V
CM
= 8V to 11V
0.4
0.4
0.05
Input Capacitance 4 pF
e
n
Input Noise Voltage 0.1Hz to 10Hz LT1057
LT1058
2.1
2.5
µV
P-P
e
n
Input Noise Voltage Density f
O
= 10Hz
f
O
= 1kHz
26
13
nV/√Hz
(LT1057/LT1058 SW Package Only), V
S
= ±15V, T
A
= 25°C, V
CM
= 0V unless otherwise noted.