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REF1925 Datasheet(PDF) 6 Page - Texas Instruments

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No. de pieza REF1925
Descripción Electrónicos  Voltage References
PDF  31 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

REF1925 Datasheet(HTML) 6 Page - Texas Instruments

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background image
0
10
20
30
40
50
60
-0.0125
-0.01
-0.0075 -0.005 -0.0025
0
0.0025
Solder Heat Shift Histogram - V
BIAS (%)
C040
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
±75
±50
±25
0
25
50
75
100
125
150
Temperature (
ƒC)
C001
V
REF
V
BIAS
0
10
20
30
40
50
60
0
1
2
3
4
5
6
7
V
REF and VBIAS Tracking Over Temperature (ppm/SC)
C017
0
10
20
30
40
50
-0.0125
-0.01
-0.0075 -0.005 -0.0025
0
0.0025
Solder Heat Shift Histogram - V
REF (%)
C041
0
10
20
30
40
V
REF and VBIAS Matching (ppm)
C004
0
10
20
30
40
50
60
0
1
2
3
4
5
6
V
REF and VBIAS Tracking Over Temperature (ppm/SC)
C016
REF1925, REF1930, REF1933, REF1941
SBOS697 – SEPTEMBER 2014
www.ti.com
7.6 Typical Characteristics
At TA = 25°C, IL = 0 mA, VIN = 5-V power supply, CL = 0 µF, and 2.5-V output, unless otherwise noted.
–40°C
≤ TA ≤ 85°C
Figure 2. Distribution of VREF – 2 × VBIAS Drift Tracking
Figure 1. VREF – 2 × VBIAS Distribution
Over Temperature
–40°C
≤ TA ≤ 125°C
Refer to the Solder Heat Shift section for more information.
Figure 3. Distribution of VREF – 2 × VBIAS Drift Tracking
Figure 4. Solder Heat Shift Distribution (VREF)
Over Temperature
Refer to the Solder Heat Shift section for more information.
Figure 5. Solder Heat Shift Distribution (VBIAS)
Figure 6. Output Voltage Accuracy (VREF) vs Temperature
6
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Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: REF1925 REF1930 REF1933 REF1941



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