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LT1126 Datasheet(PDF) 3 Page - Linear Technology

Part No. LT1126
Description  Dual/Quad Decompensated Low Noise, High Speed Precision Op Amps
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1126 Datasheet(HTML) 3 Page - Linear Technology

   
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LT1126/LT1127
LT1126AM/AC
LT1126M/C
LT1127AM/AC
LT1127M/C
SYMBOL
PARAMETER
CONDITIONS (Note 1)
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ELECTRICAL C
C
HARA TERISTICS V
S = ±15V, TA = 25°C, unless otherwise noted.
VS = ±15V, − 55°C ≤ TA ≤ 125°C, unless otherwise noted.
LT1126AM
LT1126M
LT1127AM
LT1127M
SYMBOL
PARAMETER
CONDITIONS (Note 1)
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage
LT1126
q
50
170
60
250
µV
LT1127
q
55
190
70
290
µV
∆VOS
Average Input Offset Voltage Drift
(Note 4)
q
0.3
1.0
0.4
1.5
µV/°C
∆Temp
IOS
Input Offset Current
LT1126
q
18
45
20
60
nA
LT1127
q
18
55
20
70
nA
IB
Input Bias Current
q
± 18 ± 55
± 20 ± 70
nA
VCM
Input Voltage Range
q
± 11.3 ± 12
± 11.3 ± 12
V
CMRR
Common Mode Rejection Ratio
VCM = ±11.3V
q
106
122
100
120
dB
PSRR
Power Supply Rejection Ratio
VS = ± 4V to ±18V
q
110
122
104
120
dB
AVOL
Large Signal Voltage Gain
RL ≥ 10kΩ, VO = ±10V
q
3.0
10.0
2.0
10.0
V/
µV
RL ≥ 2kΩ, VO = ±10V
q
1.0
3.0
0.7
2.0
V/
µV
VOUT
Maximum Output Voltage Swing
RL ≥ 2kΩ
q
± 12.5 ± 13.6
± 12.0 ± 13.6
V
SR
Slew Rate
RL ≥ 2kΩ (Notes 2 and 6)
q
7.2
10
7.0
10
V/
µs
IS
Supply Current Per Amplifier
q
2.8
3.5
2.8
3.5
mA
ELECTRICAL C
C
HARA TERISTICS
Note 6: Slew rate is measured in AV = –10; input signal is ±1V, output
measured at
±5V.
Note 7: 0.1Hz to 10Hz noise can be inferred from the 10Hz noise voltage
density test. See the test circuit and frequency response curve for 0.1Hz to
10Hz tester in the Applications Information section of the LT1007 or
LT1028 datasheets.
Note 8: This parameter is guaranteed but not tested.
Note 9: The LT1126 and LT1127 are not tested and are not quality
assurance sampled at –40
°C and at 85°C. These specifications are
guaranteed by design, correlation and/or inference from – 55
°C, 0°C, 25°C,
70
°C and/or 125°C tests.
The
denotes the specifications which apply over the full operating
temperature range.
Note 1: Typical parameters are defined as the 60% yield of parameter
distributions of individual amplifiers; i.e., out of 100 LT1127s (or 100
LT1126s) typically 240 op amps (or 120) will be better than the indicated
specification.
Note 2: This parameter is 100% tested for each individual amplifier.
Note 3: This parameter is sample tested only.
Note 4: This parameter is not 100% tested.
Note 5: The inputs are protected by back-to-back diodes. Current limiting
resistors are not used in order to achieve low noise. If differential input
voltage exceeds
±1.4V, the input current should be limited to 25mA.
Input Noise Voltage Density
fO = 10Hz (Note 3)
3.0
5.5
3.0
5.5
nV/
√Hz
fO = 1000Hz (Note 2)
2.7
4.2
2.7
4.2
nV/
√Hz
in
Input Noise Current Density
fO = 10Hz
1.3
1.3
pA/
√Hz
fO = 1000Hz
0.3
0.3
pA/
√Hz
VCM
Input Voltage Range
± 12.0 ± 12.8
± 12.0 ± 12.8
V
CMRR
Common Mode Rejection Ratio
VCM = ±12V
112
126
106
124
dB
PSRR
Power Supply Rejection Ratio
VS = ± 4V to ±18V
116
126
110
124
dB
AVOL
Large Signal Voltage Gain
RL ≥ 10kΩ, VO = ±10V
5.0
17.0
3.0
15.0
V/
µV
RL ≥ 2kΩ, VO = ±10V
2.0
4.0
1.5
3.0
V/
µV
VOUT
Maximum Output Voltage Swing
RL ≥ 2kΩ± 13.0 ± 13.8
± 12.5 ± 13.8
V
SR
Slew Rate
RL ≥ 2kΩ (Notes 2 and 6)
8.0
11
8.0
11
V/
µs
GBW
Gain-Bandwidth Product
fO = 10kHz (Note 2)
45
65
45
65
MHz
ZO
Open Loop Output Resistance
VO = 0, IO = 0
75
75
IS
Supply Current Per Amplifier
2.6
3.1
2.6
3.1
mA
Channel Separation
f
≤ 10Hz (Note 8)
134
150
130
150
dB
VO = ±10V, RL = 2kΩ


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