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LT1031BCH#PBF PDF预览

LT1031BCH#PBF

更新时间: 2024-11-14 19:34:07
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 160K
描述
Three Terminal Voltage Reference, 1 Output, 10V, MBCY3

LT1031BCH#PBF 数据手册

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LT1031/LH0070  
Precision 10V Reference  
U
FEATURES  
DESCRIPTIO  
The LT®1031 is a precision 10V reference with ultralow  
drift and noise, extremely good long term stability, and  
almost total immunity to input voltage variations. The  
reference output will both source and sink up to 10mA and  
can be used as a shunt regulator (two terminal Zener) with  
the same precision characteristics as the three terminal  
connection. Special care has been taken to minimize  
thermal regulation effects and temperature induced  
hysteresis.  
Pin Compatible with LH0070 and AD581*  
Ultralow Drift—5ppm/°C Max Slope  
Trimmed Output Voltage  
Operates in Series or Shunt Mode  
Output Sinks and Sources in Series Mode  
Very Low Noise < 1ppmP-P 0.1Hz to 10Hz  
> 100dB Ripple Rejection  
Minimum Input Voltage of 11V  
U
The LT1031 reference is based on a buried Zener diode  
structure which eliminates noise and stability problems  
associated with surface breakdown devices. Further, a  
subsurface Zener exhibits better temperature drift and  
time stability than even the best band-gap references.  
APPLICATIO S  
A-to-D and D-to-A Converters  
Precision Regulators  
Digital Voltmeters  
lnertial Navigation Systems  
Unique circuit design makes the LT1031 the first three  
terminal IC reference to offer ultralow drift without the  
use of high power on-chip heaters. Output voltage is  
pretrimmed to 0.05% accuracy.  
Precision Scales  
Portable Reference Standard  
The LT1031 can be used as a plug-in replacement for  
the AD581 and LH0070,* with improved electrical and  
thermal performance.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
*See LH0070 Electrical Characteristics table and AD581 cross reference guide.  
U
TYPICAL APPLICATIO  
Basic Positive and  
Negative Connections  
Distribution of Output Accuracy  
40  
T
= 25°C  
A
DISTRIBUTION  
FROM 5 RUNS  
35  
30  
25  
LT1031  
GND  
LT1031  
V
V
IN  
IN  
OUT  
OUT  
OUT  
GND  
20  
15  
– V  
OUT  
10  
5
V
– V  
OUT  
+ 1.5mA  
IN  
R1 =  
R1  
I
LOAD  
– V  
IN  
LT1031 • TA01  
0
–0.06  
–0.02  
0.02  
0
–0.10  
0.06  
0.10  
OUTPUT ACCURACY (%)  
LT1031 TA02  
1031fb  
1

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