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REF54 Datasheet(PDF) 18 Page - Texas Instruments

Part # REF54
Description  REF54 0.8ppm/°C Maximum Drift, 0.11ppmp-p 1/f Noise, 380μA Current, Precision Voltage Reference
PDF  44 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

REF54 Datasheet(HTML) 18 Page - Texas Instruments

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6.10 Typical Characteristics (continued)
at TA = 25°C, VIN = VEN = VREF + 0.5V, IL = 0mA, COut = CREF = 10μF, CNR = Open, CIN = 0.1μF, VREF = 2.5V (unless
otherwise noted)
Thermal Hysteresis (ppm)
0
20
40
60
80
0
5
10
15
20
25
Figure 6-19. REF54250 Thermal Hysteresis Distribution
(0°C to 70°C)
Time (Hr.)
0
400
800
1200
1600
2000
0
50
100
150
Figure 6-20. Long-Term Stability SOIC package 2000 Hours
Time (Hours)
0
1500
3000
4500
6000
7500
-100
-75
-50
-25
0
25
50
75
100
Avg
Avg+Std dev
Avg-Std dev
Figure 6-21. Long-Term Stability SOIC package 7500 Hours
Time (Hours)
0
400
800
1200
1600
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-15
-10
-5
0
5
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Avg
Avg+Std dev
Avg-Std dev
Figure 6-22. Long-Term Stability FKH package 2000 Hours
Time (Hours)
0
1800
3600
5400
7200
9000
-15
-10
-5
0
5
10
15
Avg
Avg+Std dev
Avg-Std dev
Figure 6-23. Long-Term Stability FKH package 9000 Hours
REF54
SNVSCN7D – NOVEMBER 2023 – REVISED JUNE 2026
www.ti.com
18
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Copyright © 2026 Texas Instruments Incorporated
Product Folder Links: REF54



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