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REF54 Datasheet(PDF) 17 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) 17 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)
Te mperature (
C)
-50
-25
0
25
50
75
100
125
100
150
200
250
300
350
400
Figure 6-13. Quiescent Current vs Temperature
Figure 6-14. Shutdown Current vs Temperature
Te mperature (
C)
-50
-25
0
25
50
75
100
125
0
50
100
150
200
250
300
350
400
IL = 10 mA
IL = 5 mA
IL = 0 mA
Figure 6-15. Dropout Voltage vs Temperature
Flicker Noise (ppmp-p)
0
20
40
60
80
100
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Figure 6-16. 0.1Hz to 10Hz Voltage Noise Distribution
(CNR = Open)
Figure 6-17. Noise Performance 10Hz to 100kHz
(CNR = Open)
Frequency (Hz)
1x101
1x102
1x103
1x104
1x105
1x106
0
25
50
75
100
125
COUT = 1 µF
COUT = 10 µF
COUT = 100 µF
Figure 6-18. Power-Supply Rejection Ratio vs Frequency
www.ti.com
REF54
SNVSCN7D – NOVEMBER 2023 – REVISED JUNE 2026
Copyright © 2026 Texas Instruments Incorporated
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17
Product Folder Links: REF54



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