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LT1634 PDF预览

LT1634

更新时间: 2024-11-20 22:51:47
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 330K
描述
Micropower Precision Shunt Voltage Reference

LT1634 数据手册

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LT1634  
Micropower Precision  
Shunt Voltage Reference  
U
FEATURES  
DESCRIPTION  
The LT®1634 is a micropower, precision, shunt voltage  
reference. The bandgap reference uses trimmed precision  
thin film resistors to achieve 0.05% initial voltage accu-  
racy. Improved curvature correction technique guaran-  
tees 10ppm/°C maximum temperature drift. Advances in  
design, processing and packaging techniques guarantee  
10µA operation and low temperature cycling hysteresis.  
The LT1634 does not require an output compensation  
capacitor,butisstablewithcapacitiveloads.Lowdynamic  
impedance makes the LT1634 reference easy to use from  
unregulated supplies.  
Initial Voltage Accuracy: 0.05%  
Low Operating Current: 10µA  
Low Drift: 10ppm/°C Max  
Less Than 1Dynamic Impedance  
Available in 1.25V, 2.5V, 4.096V and 5V in SO-8  
and TO-92 Packages  
1.25V and 2.5V Available in MSOP Package  
Both Commercial and Industrial Temperature Range  
Parts Are Available  
U
APPLICATIONS  
TheLT1634referencecanbeusedasahighperformance  
upgrade to the LM185/LM385, LT1004 and LT1034  
where lower power and guaranteed temperature drift is  
required.  
Portable Meters  
Precision Regulators  
A/D and D/A Converters  
Calibrators  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Super Accurate ±4.096V Output References  
5V  
45k  
+
V
OUT  
LT1495  
LT1634-4.096  
4.096V  
Temperature Drift  
2.0  
5V  
I
= 10µA  
= 1.25V  
R
OUT  
V
5V  
4
1.5  
1.0  
LTC®1043  
5
6
0.5  
0
I
= 200µA  
S
OUTPUT ACCURACY  
BETTER THAN 0.075%  
AT ±500µA OUTPUT  
1µF  
0.5  
–1.0  
–1.5  
15  
18  
17  
5V  
–2.0  
5V  
–20  
20  
40  
60  
80  
100  
40  
0
TEMPERATURE (°C)  
1634 TA02  
V
OUT  
LT1495  
4.096V  
+
1µF  
5V  
1634 TA01  
1

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