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REF70 Datasheet(PDF) 15 Page - Texas Instruments

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Part # REF70
Description  REF70 2 ppm/째C Maximum Drift, 0.23 ppmp-p 1/f Noise, Precision Voltage Reference
PDF  40 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

REF70 Datasheet(HTML) 15 Page - Texas Instruments

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7.11 Typical Characteristics (continued)
at TA = 25°C, VIN = VEN = VREF + 0.5 V, IL = 0 mA, CL = 10 μF, CIN = 0.1 μF, VREF = 2.5 V (unless otherwise noted)
Input Voltage (V)
0
4
8
12
16
20
0
0.3
0.6
0.9
1.2
1.5
VEN_HIGH
VEN_LOW
Figure 7-13. Enable Threshold vs VIN
Temperature (°C)
-50
-25
0
25
50
75
100
125
0
50
100
150
200
250
300
0mA
5mA
10mA
Figure 7-14. Dropout Voltage vs Temperature
Noise (ppmp-p)
0
0.08
0.16
0.24
0.32
0.4
0.48
0.56
0.64
Figure 7-15. 0.1-Hz to 10-Hz Voltage Noise Distribution (300
units)
Frequency (Hz)
0
10
20
30
40
50
60
70
80
90
100
10
100
1k
10k
100k
Figure 7-16. Noise Performance 10 Hz to 100 kHz
Frequency (Hz)
0
20
40
60
80
100
120
10
100
1k
10k
100k
1uF
10uF
100uF
Figure 7-17. Power-Supply Rejection Ratio vs Frequency
Thermal Hysteresis (ppm)
0
10
20
30
40
50
60
70
80
90
100
0
5%
10%
15%
20%
25%
30%
35%
Figure 7-18. REF7025 FKH Thermal Hysteresis Distribution (0°C
to 70°C)
www.ti.com
REF70
SNAS781D – OCTOBER 2020 – REVISED DECEMBER 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: REF70



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