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LT1126 Datasheet(PDF) 1 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) 1 Page - Linear Technology

   
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LT1126/LT1127
Dual/Quad
Decompensated Low Noise,
High Speed Precision Op Amps
DESCRIPTIO
S
FEATURE
s
100% Tested Low Voltage Noise
2.7nV/
√Hz Typ
4.2nV/
√Hz Max
s
Slew Rate
11V/
µs Typ
s
Gain-Bandwidth Product
65MHz Typ
s
Offset Voltage, Prime Grade
70
µV Max
Low Grade
100
µV Max
s
High Voltage Gain
5 Million Min
s
Supply Current Per Amplifier
3.1mA Max
s
Common Mode Rejection
112dB Min
s
Power Supply Rejection
116dB Min
s
Available in 8-Pin SO Package
The LT1126 dual and LT1127 quad are high performance,
decompensated op amps that offer higher slew rate and
bandwidth than the LT1124 dual and the LT1125 quad
operational amplifiers. The enhanced AC performance is
available without degrading DC specs of the LT1124/
LT1125. Both LT1126/LT1127 are stable in a gain of 10 or
more.
In the design, processing, and testing of the device,
particular attention has been paid to the optimization of the
entire distribution of several key parameters. Slew rate,
gain-bandwidth, and 1kHz noise are 100% tested for each
individual amplifier. Consequently, the specifications of
even the lowest cost grades (the LT1126C and the LT1127C)
have been enhanced.
Power consumption of the dual LT1126 is less than one
half of two OP-37s. Low power and high performance in an
8-pin SO package makes the LT1126 a first choice for
surface mounted systems and where board space is
restricted.
Protected by U.S. patents 4,775,884 and 4,837,496.
S
APPLICATI
s
Two and Three Op Amp Instrumentation Amplifiers
s
Low Noise Signal Processing
s
Active Filters
s
Microvolt Accuracy Threshold Detection
s
Strain Gauge Amplifiers
s
Direct Coupled Audio Gain Stages
s
Tape Head Preamplifiers
s
Microphone Preamplifiers
s
Accelerometer Amplifiers
s
Infrared Detectors
Low Noise, Wide Bandwidth Instrumentation Amplifier
GAIN = 1000, BANDWIDTH = 480kHz
INPUT REFERRED NOISE = 4.5nV/ Hz AT 1kHz, 6
µV
RMS OVER BANDWIDTH
+
1/4
LT1127
LT1126 • TA01
OUTPUT
1/4
LT1127
10k
620
6.2k
200
6.2k
10k
– INPUT
620
+ INPUT
1/4
LT1127
+
+
FREQUENCY (Hz)
3
10
30
100
0.1
10
100
1000
LT1126 • TA07
1
1.0
MAXIMUM
TYPICAL
V = 15V
T = 25°C
S
A
±
1/f CORNER
2.3Hz
Voltage Noise vs Frequency


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