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REF1925AIDDCT.B Scheda tecnica(PDF) 6 Page - Texas Instruments |
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REF1925AIDDCT.B Scheda tecnica(HTML) 6 Page - Texas Instruments |
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6 / 35 page ![]() 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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