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LT1125

更新时间： 2024-11-24 14:58:03
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
20页 374K
描述
四路、低噪声、高速、精准运放

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中文翻译

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LT1125 数据手册

 浏览型号LT1125的Datasheet PDF文件第2页浏览型号LT1125的Datasheet PDF文件第3页浏览型号LT1125的Datasheet PDF文件第4页浏览型号LT1125的Datasheet PDF文件第5页浏览型号LT1125的Datasheet PDF文件第6页浏览型号LT1125的Datasheet PDF文件第7页 
LT1124/LT1125  
Dual/Quad Low Noise,  
High Speed Precision Op Amps  
FeaTures  
DescripTion  
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 I and I than the OP-27; lower V and noise  
n
100% Tested Low Voltage Noise:  
2.7nV/√Hz Typ  
4.2nV/√Hz Max  
n
Slew Rate: 4.5V/µs Typ  
n
Gain-Bandwidth Product: 12.5MHz Typ  
Offset Voltage,  
B
OS  
OS  
n
than the OP-270/OP-470.  
Prime Grade: 70µV Max  
Low Grade: 100µV Max  
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.  
n
High Voltage Gain: 5 Million Min  
n
Supply Current Per Amplifier: 2.75mA Max  
n
Common Mode Rejection: 112dB Min  
n
Power Supply Rejection: 116dB Min  
n
Available in 8-Pin SO Package  
applicaTions  
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.  
n
Two and Three Op Amp Instrumentation Amplifiers  
n
Low Noise Signal Processing  
n
Active Filters  
n
Microvolt Accuracy Threshold Detection  
For a decompensated version of these devices, with three  
times higher slew rate and bandwidth, please see the  
LT1126/LT1127 data sheet.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Protected by U.S. Patents including 4775884, 4837496.  
n
Strain Gauge Amplifiers  
n
Direct Coupled Audio Gain Stages  
n
Tape Head Preamplifiers  
n
Infrared Detectors  
Typical applicaTion  
Instrumentation Amplifier with Shield Driver  
Input Offset Voltage Distribution  
3
+
1k  
30k  
(All Packages, LT1124 and LT1125)  
1
1/4  
LT1125  
–
2
R
F
758 DUALS  
200 QUADS  
2316 UNITS  
TESTED  
V
=
15V  
S
A
15V  
4
3.4k  
T
= 25°C  
30  
20  
10  
0
5
6
GUARD  
+
–
R
G
7
1/4  
LT1125  
100Ω  
OUTPUT  
30k  
10  
+
+
–
11  
8
1/4  
LT1125  
R
G
INPUT  
100Ω  
9
–15V  
–
GUARD  
GAIN = 30 (1 + R /R ) ≈ 1000  
F
G
POWER BW = 170kHz  
SMALL-SIGNAL BW = 400kHz  
R
F
13  
12  
NOISE = 3.8µV/√Hz AT OUTPUT  
= 35µV  
–
+
3.4k  
V
OS  
–100  
–60  
–20  
20  
60  
100  
14  
1/4  
LT1125  
INPUT OFFSET VOLTAGE (µV)  
1k  
1124/25 TA02  
1124/25 TA01  
11245ff  
1
For more information www.linear.com/LT1124  
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