Datasheet

4
LT1055/LT1056
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LT1055AM LT1055M
LT1056AM LT1056M
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 2) LT1055 ● — 180 500 — 250 1200 µV
LT1056
● — 180 550 — 250 1250 µV
Average Temperature (Note 6) ● — 1.3 4.0 — 1.8 8.0 µV/°C
Coefficient of Input Offset
Voltage
I
OS
Input Offset Current Warmed Up LT1055 ● — 0.20 1.2 — 0.25 1.8 nA
T
A
= 125°C LT1056 ● — 0.25 1.5 — 0.30 2.4 nA
I
B
Input Bias Current Warmed Up LT1055 ● — ±0.4 ±2.5 — ±0.5 ±4.0 nA
T
A
= 125°C LT1056 ● — ±0.5 ±3.0 — ±0.6 ±5.0 nA
A
VOL
Large-Signal Voltage Gain V
O
= ±10V, R
L
= 2k ● 40 120 — 35 120 — V/mV
CMRR Common Mode Rejection Ratio V
CM
= ±10.5V ● 85100—8298— dB
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±17V ● 88 104 — 86 102 — dB
V
OUT
Output Voltage Swing R
L
= 2k ● ±12 ±12.9 — ±12 ±12.9 — V
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the temperature range
–55°C ≤ T
A
≤ 125°C. V
S
= ±15V, V
CM
= 0V, unless otherwise noted.
T
A
= 25°C. V
S
= ±15V, V
CM
= 0V unless otherwise noted.
LT1055CS8/LT1056CS8
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 2) 500 1500 µV
I
OS
Input Offset Current Fully Warmed Up 5 30 pA
I
B
Input Bias Current Fully Warmed Up ±30 ±100 pA
V
CM
= 10V 30 150 pA
Input Resistance Differential 0.4 TΩ
Common Mode V
CM
= –11V to 8V 0.4 TΩ
V
CM
= 8V to 11V 0.05 TΩ
Input Capacitance 4pF
e
n
Input Noise Voltage 0.1Hz to 10Hz LT1055 2.5 µV
P-P
LT1056 3.5 µV
P-P
Input Noise Voltage Density f
O
= 10Hz (Note 4) 35 70 nV/√Hz
f
O
= 1kHz (Note 4) 15 22 nV/√Hz
i
n
Input Noise Current Density f
O
= 10Hz, 1kHz (Note 5) 2.5 10 fA/√Hz
A
VOL
Large-Signal Voltage Gain V
O
= ±10V R
L
= 2k 120 400 V/mV
R
L
= 1k 100 300 V/mV
Input Voltage Range ±11 ±12 V
CMRR Common Mode Rejection Ratio V
CM
= ±11V 83 98 dB
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±18V 88 104 dB
V
OUT
Output Voltage Swing R
L
= 2K ±12 ±13.2 V
SR Slew Rate LT1055 7.5 12 V/µs
LT1056 9.0 14 V/µs
GBW Gain Bandwidth Product f = 1MHz LT1055 4.5 MHz
LT1056 5.5 MHz
I
S
Supply Current LT1055 2.8 4.0 mA
LT1056 5.0 7.0 mA
Offset Voltage Adjustment Range R
POT
= 100k ±5mV