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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TL432CDBVR датащи(PDF) 19 Page - Texas Instruments |
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TL432CDBVR датащи(HTML) 19 Page - Texas Instruments |
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19 / 79 page  7 Parameter Measurement Information Vref Input VKA IKA Figure 7-1. Test Circuit for VKA = Vref Iref IKA VKA Input Vref R1 R2 KA ref ref R1 V = V 1 + + I × R1 R2 æ ö ç ÷ è ø Figure 7-2. Test Circuit for VKA > Vref Ioff VKA Input Figure 7-3. Test Circuit for Ioff 7.1 Temperature Coefficient The deviation of the reference voltage, Vref, over the full temperature range is known as VI(dev). The parameter of VI(dev) can be used to find the temperature coefficient of the device. The average full-range temperature coefficient of the reference input voltage, αVref, is defined as: αVref is positive or negative, depending on whether minimum Vref or maximum Vref, respectively, occurs at the lower temperature. The full-range temperature coefficient is an average and therefore any subsection of the rated operating temperature range can yield a value that is greater or less than the average. For more details on temperature coefficient, refer to the Voltage Reference Selection Basics White Paper. www.ti.com TL431, TL432 SLVS543S – AUGUST 2004 – REVISED MAY 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 19 Product Folder Links: TL431 TL432 |
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