Datasheet
2
LT1457
LT1457ACN8
LT1457CN8
ORDER PART
NUMBER
Supply Voltage ...................................................... ±20V
Differential Input Voltage ....................................... ±40V
Input Voltage .......................... Equal to Supply Voltages
Output Short-Circuit Duration.......................... Indefinite
Operating Temperature Range ................ –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
LT1457S8
8
7
6
54
3
2
1
–IN A
+IN A
V
+
TOP VIEW
N8 PACKAGE
8-LEAD PLASTIC DIP
OUT A
OUT B
V
–
–IN B
+IN B
A
B
T
JMAX
= 115°C, θ
JA
= 130°C/W
8
7
6
5
4
3
2
1
V
–
+IN B
–IN A
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SOIC
+IN A
OUT A
–IN B
V
+
OUT B
B
A
NOTE: THIS PIN CONFIGURATION DIFFERS FROM
THE 8-LEAD DIP PIN LOCATIONS. INSTEAD, IT
FOLLOWS THE INDUSTRY STANDARD LT1013DS8
SO PACKAGE CONFIGURATION.
T
JMAX
= 130°C, θ
JA
= 190°C/ W
S8 PART MARKING
1457
Consult factory for Industrial and Military grade parts.
LT1457AC LT1457C/LT1457S8
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1457AC/C 150 450 200 800 µV
LT1457S8 220 1200 µV
I
OS
Input Offset Current Fully Warmed Up 3 40 4 50 pA
I
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
V
CM
= 8V to 11V 10
11
10
11
Ω
Input Capacitance 4 4 pF
e
n
Input Noise Voltage 0.1Hz to 10Hz 2.0 2.1 µV
P–P
e
n
Input Noise Voltage Density f
O
= 10Hz 26 28 nV/√Hz
f
O
= 1kHz (Note 2) 13 22 14 24 nV/√Hz
i
n
Input Noise Current Density f
O
= 10Hz, 1kHz (Note 3) 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 V
CM
= ±10.5V 86 100 82 98 dB
PSRR Power Supply Rejection Ratio V
S
= ±4.5V to ±18V 88 103 86 102 dB
V
OUT
Output Voltage Swing R
L
= 2k ±12 ±13 ±12 ±13 V
SR Slew Rate 2 4 2 4 V/µs
V
S
= ±15V, T
A
= 25°C,V
CM
= 0V unless otherwise noted. (Note 1)
ELECTRICAL CHARACTERISTICS