Datasheet

2
LT1055/LT1056
Supply Voltage ...................................................... ±20V
Differential Input Voltage ....................................... ±40V
Input Voltage ......................................................... ±20V
Output Short-Circuit Duration.......................... Indefinite
Operating Temperature Range
LT1055AM/LT1055M/LT1056AM/
LT1056M.........................................–55°C to 125°C
LT1055AC/LT1055C/LT1056AC/
LT1056C................................................ 0°C to 70°C
Storage Temperature Range
All Devices ...................................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
ORDER PART
NUMBER
LT1055CN8
LT1056CN8
LT1055M/LT1056M
LT1055CH/LT1056CH
LT1055CN8/LT1056CN8
LT1055AM/LT1056AM
LT1055AC/LT1056AC
V
S
= ±15V, T
A
= 25°C, V
CM
= 0V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Consult factory for Industrial grade parts.
1
2
3
4
8
7
6
5

TOP VIEW
BAL
–IN
+IN
V
–
N/C
V
+

OUT
BAL
N8 PACKAGE
8-LEAD PLASTIC DIP
T
JMAX
= 100°C, θ
JA
= 130°C/W
LT1056ACH
LT1056CH
LT1056AMH
LT1056MH
LT1055ACH
LT1055CH
LT1055AMH
LT1055MH
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note1) LT1055 H Package — 50 150 — 70 400 µV
LT1056 H Package — 50 180 — 70 450 µV
LT1055 N8 Package — — — — 120 700 µV
LT1056 N8 Package — — — — 140 800 µV
I
OS
Input Offset Current Fully Warmed Up — 2 10 — 2 20 pA
I
B
Input Bias Current Fully Warmed Up — ±10 ±50 — ±10 ±50 pA
V
CM
= 10V — 30 130 — 30 150 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 LT1055 — 1.8 — — 2.0 — µV
P-P
LT1056 — 2.5 — — 2.8 — µV
P-P
Input Noise Voltage Density f
0
= 10Hz (Note 2) — 28 50 — 30 60 nV/
√
Hz
f
0
= 1kHz (Note 3) — 14 20 — 15 22 nV/
√
Hz
I
n
Input Noise Current Density f
0
= 10Hz, 1kHz (Note 4) — 1.8 4 — 1.8 4 fA/
√
Hz
A
VOL
Large-Signal Voltage Gain V
0
= ±10V R
L
= 2k 150 400 — 120 400 — V/mV
R
L
= 1k 130 300 — 100 300 — V/mV
Input Voltage Range ±11 ±12 — ±11 ±12 — V
CMRR Common-Mode Rejection Ratio V
CM
= ±11V 86 100 — 83 98 — dB
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±18V 90 106 — 88 104 — dB
V
OUT
Output Voltage Swing R
L
= 2k ±12 ±13.2 — ±12 ±13.2 — V
SR Slew Rate LT1055 10 13 — 7.5 12 — V/µs
LT1056 12 16 — 9.0 14 — V/µs
GBW Gain-Bandwidth Product f = 1MHz LT1055 — 5.0 — — 4.5 — MHz
LT1056 — 6.5 — — 5.5 — MHz
I
S
Supply Current LT1055 — 2.8 4.0 — 2.8 4.0 mA
LT1056 — 5.0 6.5 — 5.0 7.0 mA
Offset Voltage Adjustment Range R
POT
= 100k — ±5— — ±5— mV
TOP VIEW

NC
BALANCE

OUT
BALANCE
+IN
V
–
8
7
6
5
3
2
1
4
H PACKAGE
8-LEAD TO-5 METAL CAN
–IN
V
+
T
JMAX
= 150°C, θ
JA
= 150°C/ W, θ
JC
= 45°C/ W