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REF1925AIDDCT Folha de dados(PDF) 6 Page - Texas Instruments

Nome de Peças REF1925AIDDCT
Descrição Electrónicos  REF19xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References
PDF  35 Pages
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Fabricante Electrônico  TI2 [Texas Instruments]
Página de início  https://www.ti.com
Logo TI2 - Texas Instruments

REF1925AIDDCT Folha de dados(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/ƒC)
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/ƒC)
C016
6
REF1925, REF1930, REF1933, REF1941
SBOS697A – SEPTEMBER 2014 – REVISED JANUARY 2017
www.ti.com
Product Folder Links: REF1925 REF1930 REF1933 REF1941
Submit Documentation Feedback
Copyright © 2014–2017, Texas Instruments Incorporated
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.
Figure 1. VREF – 2 × VBIAS Distribution
–40°C
≤ TA ≤ 85°C
Figure 2. Distribution of VREF – 2 × VBIAS Drift Tracking
Over Temperature
–40°C
≤ TA ≤ 125°C
Figure 3. Distribution of VREF – 2 × VBIAS Drift Tracking
Over Temperature
Refer to the Solder Heat Shift section for more information.
Figure 4. Solder Heat Shift Distribution (VREF)
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



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