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LT1124 数据表(PDF) 1 Page - Linear Technology

部件名 LT1124
功能描述  Dual/Quad Low Noise, High Speed Precision Op Amps
Download  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1124 数据表(HTML) 1 Page - Linear Technology

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1
LT1124/LT1125
s
100% Tested Low Voltage Noise: 2.7nV/
√Hz Typ
4.2nV/
√Hz Max
s
Slew Rate: 4.5V/
µs Typ
s
Gain Bandwidth Product: 12.5MHz 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: 2.75mA Max
s
Common Mode Rejection: 112dB Min
s
Power Supply Rejection: 116dB Min
s
Available in 8-Pin SO Package
Dual/Quad Low Noise,
High Speed Precision Op Amps
Instrumentation Amplifier with Shield Driver
Input Offset Voltage Distribution
(All Packages, LT1124 and LT1125)
The LT
®1124 dual and LT1125 quad are high performance
op amps that offer higher gain, slew rate and bandwidth
than the industry standard OP-27 and competing OP-270/
OP-470 op amps. In addition, the LT1124/LT1125 have
lower IB and IOS than the OP-27; lower VOS and noise
than the OP-270/OP-470.
In the design, processing and testing of the device, par-
ticular 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 LT1124C and the
LT1125C) have been spectacularly improved compared
to equivalent grades of competing amplifiers.
Power consumption of the LT1124 is one half of two
OP-27s. Low power and high performance in an 8-pin SO
package make the LT1124 a first choice for surface mounted
systems and where board space is restricted.
For a decompensated version of these devices, with three
times higher slew rate and bandwidth, please see the
LT1126/LT1127 data sheet.
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
Infrared Detectors
FEATURES
DESCRIPTIO
APPLICATIO S
Protected by U.S. patents 4,775,884 and 4,837,496.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
+
1/4
LT1125
1124/25 TA01
+
+
1/4
LT1125
1/4
LT1125
–15V
15V
OUTPUT
1/4
LT1125
30k
1k
RF
3.4k
RG
100
RF
3.4k
30k
1k
5
4
6
11
7
1
3
2
10
9
8
14
13
12
+
INPUT
GUARD
GUARD
= 30 (1 + RF/RG) ≈ 1000
= 170kHz
= 400kHz
= 3.8
µV/ Hz AT OUTPUT
= 35
µV
GAIN
POWER BW
SMALL-SIGNAL BW
NOISE
VOS
RG
100
+
INPUT OFFSET VOLTAGE (
µV)
–100
10
20
30
60
1124/25 TA02
–60
– 20
VS = ± 15V
TA = 25°C
DUALS
QUADS
2316 UNITS
TESTED
758
200
100
20
0


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