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LT1113 Datasheet(PDF) 1 Page - Linear Technology

Part No. LT1113
Description  Dual Low Noise, Precision, JFET Input Op Amps
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1113 Datasheet(HTML) 1 Page - Linear Technology

 
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1
LT1113
The LT
®1113achievesanewstandardofexcellenceinnoise
performance for a dual JFET op amp. The 4.5nV/
√Hz 1kHz
noise combined with low current noise and picoampere
bias currents makes the LT1113 an ideal choice for ampli-
fying low level signals from high impedance capacitive
transducers.
The LT1113 is unconditionally stable for gains of 1 or more,
even with load capacitances up to 1000pF. Other key fea-
tures are 0.4mV VOS and a voltage gain of 4 million. Each
individual amplifier is 100% tested for voltage noise, slew
rate and gain bandwidth.
The design of the LT1113 has been optimized to achieve
true precision performance with an industry standard
pinout in the S0-8 package. A set of specifications are
provided for
±5V supplies and a full set of matching speci-
fications are provided to facilitate the use of the LT1113 in
matching dependent applications such as instrumenta-
tion amplifier front ends.
Dual Low Noise,
Precision, JFET Input Op Amps
s
100% Tested Low Voltage Noise: 6nV/
√Hz Max
s
SO-8 Package Standard Pinout
s
Voltage Gain: 1.2 Million Min
s
Offset Voltage: 1.5mV Max
s
Offset Voltage Drift: 15
µV/°C Max
s
Input Bias Current, Warmed Up: 450pA Max
s
Gain Bandwidth Product: 5.6MHz Typ
s
Guaranteed Specifications with
±5V Supplies
s
Guaranteed Matching Specifications
s
Photocurrent Amplifiers
s
Hydrophone Amplifiers
s
High Sensitivity Piezoelectric Accelerometers
s
Low Voltage and Current Noise Instrumentation
Amplifier Front Ends
s
Two and Three Op Amp Instrumentation Amplifiers
s
Active Filters
Low Noise Hydrophone Amplifier with DC Servo
1kHz Input Noise Voltage Distribution
FEATURES
DESCRIPTIO
APPLICATIO S
TYPICAL APPLICATIO
, LTC and LT are registered trademarks of Linear Technology Corporation.
8
4
5V TO 15V
1
2
3
–5V TO –15V
C2
0.47
µF
6
5
7
R8
100M
R6
100k
R4
1M
R5
1M
1/2
LT1113
1/2
LT1113
R3
3.9k
C1*
R1*
100M
R7
1M
R2
200
CT
HYDRO-
PHONE
OUTPUT
DC OUTPUT
≤ 2.5mV FOR TA < 70°C
OUTPUT VOLTAGE NOISE = 128nV/
√Hz AT 1kHz (GAIN = 20)
C1
≈ CT ≈ 100pF TO 5000pF; R4C2 > R8CT; *OPTIONAL
1113 TA01
INPUT VOLTAGE NOISE (nV/
√Hz)
3.8
40
30
20
10
0
4.2
4.6 4.8
5.8
1113 TA02
4.0
4.4
5.0 5.2 5.4 5.6
VS = ±15V
TA = 25°C
138 S8
276 OP AMPS TESTED


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