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LT1790ACS6-2.048-PBF PDF预览

LT1790ACS6-2.048-PBF

更新时间： 2024-11-15 12:19:15
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
26页 325K
描述
Micropower SOT-23 Low Dropout Reference Family

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中文翻译

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LT1790ACS6-2.048-PBF 数据手册

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LT1790  
Micropower SOT-23  
Low Dropout Reference Family  
FEATURES  
DESCRIPTION  
TheLT®1790isafamilyofSOT-23micropowerlowdropout  
seriesreferencesthatcombinehighaccuracyandlowdrift  
with low power dissipation and small package size. These  
micropower references use curvature compensation to  
obtain a low temperature coefficient and trimmed preci-  
sionthin-filmresistorstoachievehighoutputaccuracy. In  
n
High Accuracy:  
A Grade—0.05% Max  
B Grade—0.1% Max  
Low Drift:  
n
A Grade—10ppm/°C Max  
B Grade—25ppm/°C Max  
n
n
n
n
n
n
n
Low Thermal Hysteresis 40ppm (Typical) –40°C to 85°C  
Low Supply Current: 60μA Max  
addition, each LT1790 is post-package trimmed to greatly  
reducethetemperaturecoefficientandincreasetheoutput  
accuracy. Output accuracy is further assured by excellent  
line and load regulation. Special care has been taken to  
minimize thermally induced hysteresis.  
Sinks and Sources Current  
Low Dropout Voltage  
Guaranteed Operational –40°C to 125°C  
Wide Supply Range to 18V  
Available Output Voltage Options: 1.25V, 2.048V,  
2.5V, 3V, 3.3V, 4.096V and 5V  
Low Profile (1mm) ThinSOT™ Package  
The LT1790s are ideally suited for battery-operated sys-  
tems because of their small size, low supply current and  
reduced dropout voltage. These references provide sup-  
ply current and power dissipation advantages over shunt  
referencesthatmustidletheentireloadcurrenttooperate.  
Since the LT1790 can also sink current, it can operate as  
a micropower negative voltage reference with the same  
performance as a positive reference.  
n
APPLICATIONS  
n
Handheld Instruments  
n
Negative Voltage References  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
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Industrial Control Systems  
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Data Acquisition Systems  
n
Battery-Operated Equipment  
TYPICAL APPLICATION  
Positive Connection for LT1790-2.5  
Typical VOUT Distribution for LT1790-2.5  
50  
167 UNITS  
4
6
45  
V
= 2.5V  
LT1790-2.5  
1, 2  
2.6V ≤ V ≤ 18V  
OUT  
IN  
40  
0.1μF  
1μF  
LT1790B LIMITS  
35  
LT1790A LIMITS  
1790 TA01  
30  
25  
20  
15  
10  
5
0
2.498  
2.499 2.500  
2.501  
2.502  
OUTPUT VOLTAGE (V)  
1790 TA02  
1790fb  
1
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