LT1126/LT1127
Dual/Quad
Decompensated Low Noise,
High Speed Precision Op Amps
FEATURES
s
DESCRIPTIO
2.7nV/鈭欻z Typ
4.2nV/鈭欻z Max
11V/碌s Typ
65MHz Typ
70碌V Max
100碌V Max
5 Million Min
3.1mA Max
112dB Min
116dB Min
100% Tested Low Voltage Noise
Slew Rate
Gain-Bandwidth Product
Offset Voltage, Prime Grade
Low Grade
High Voltage Gain
Supply Current Per Amplifier
Common Mode Rejection
Power Supply Rejection
Available in 8-Pin SO Package
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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.
APPLICATI
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Two and Three Op Amp Instrumentation Amplifiers
Low Noise Signal Processing
Active Filters
Microvolt Accuracy Threshold Detection
Strain Gauge Amplifiers
Direct Coupled Audio Gain Stages
Tape Head Preamplifiers
Microphone Preamplifiers
Accelerometer Amplifiers
Infrared Detectors
Low Noise, Wide Bandwidth Instrumentation Amplifier
鈥?INPUT
+
1/4
LT1127
620
鈩?/div>
6.2k
10k
鈥?/div>
RMS VOLTAGE NOISE DENSITY (nV/
鈭?/div>
Hz)
200
鈩?/div>
鈥?/div>
鈥?/div>
1/4
LT1127
+ INPUT
6.2k
620鈩?/div>
1/4
LT1127
OUTPUT
+
10k
+
GAIN = 1000, BANDWIDTH = 480kHz
INPUT REFERRED NOISE = 4.5nV/
鈭?/div>
Hz AT 1kHz, 6碌V
RMS
OVER BANDWIDTH
LT1126 鈥?TA01
U
Voltage Noise vs Frequency
100
V
S
=
鹵
15V
T
A
= 25擄C
30
10
MAXIMUM
3
1/f CORNER
2.3Hz
1
0.1
1.0
10
FREQUENCY (Hz)
LT1126 鈥?TA07
UO
TYPICAL
100
1000
1
LT1127M相關(guān)型號PDF文件下載
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