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LT1790AIS6-2.5#TR PDF预览

LT1790AIS6-2.5#TR

更新时间: 2024-11-15 13:09:35
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凌特 - Linear /
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24页 294K
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LT1790AIS6-2.5#TR 数据手册

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LT1790  
Micropower SOT-23  
Low Dropout Reference Family  
U
FEATURES  
DESCRIPTIO  
The LT®1790 is a family of SOT-23 micropower low  
dropoutseriesreferencesthatcombinehighaccuracyand  
low drift with low power dissipation and small package  
size. These micropower references use curvature com-  
pensation to obtain a low temperature coefficient and  
trimmed precision thin-film resistors to achieve high  
output accuracy. In addition, each LT1790 is post-pack-  
age trimmed to greatly reduce the temperature coefficient  
and increase the output accuracy. Output accuracy is  
further assured by excellent line and load regulation.  
Specialcarehasbeentakentominimizethermallyinduced  
hysteresis.  
High Accuracy:  
A Grade—0.05% Max  
B Grade—0.1% Max  
Low Drift:  
A Grade—10ppm/  
°
C Max  
B Grade—25ppm/  
°C Max  
Low Profile (1mm) ThinSOTTM Package  
Low Supply Current: 60µA Max  
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,  
The LT1790s are ideally suited for battery-operated sys-  
tems because of their small size, low supply current and  
reduceddropoutvoltage.Thesereferencesprovidesupply  
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.  
2.5V, 3V, 3.3V, 4U.096V and 5V  
APPLICATIO S  
Handheld Instruments  
Negative Voltage References  
Industrial Control Systems  
Data Acquisition Systems  
Battery-Operated Equipment  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Typical VOUT Distribution for LT1790-2.5  
50  
167 UNITS  
45  
40  
Positive Connection for LT1790-2.5  
LT1790B LIMITS  
35  
LT1790A LIMITS  
30  
25  
20  
15  
10  
5
4
6
V
= 2.5V  
LT1790-2.5  
1, 2  
2.6V V 18V  
IN  
OUT  
0.1µF  
1µF  
1790 TA01  
0
2.498  
2.499 2.500  
2.501  
2.502  
OUTPUT VOLTAGE (V)  
1790 TA02  
1790fa  
1

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