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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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INA229 датащи(PDF) 23 Page - Texas Instruments |
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INA229 датащи(HTML) 23 Page - Texas Instruments |
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23 / 40 page  7.6.1.4 Shunt Temperature Coefficient (SHUNT_TEMPCO) Register (Address = 3h) [reset = 0h] The SHUNT_TEMPCO register is shown in Table 7-8. Return to the Summary Table. Table 7-8. SHUNT_TEMPCO Register Field Descriptions Bit Field Type Reset Description 15-14 RESERVED R 0h Reserved. Always reads 0. 13-0 TEMPCO R/W 0h Temperature coefficient of the shunt for temperature compensation correction. Calculated with respect to +25°C. The full scale value of the register is 16383 ppm/°C. The 16 bit register provides a resolution of 1ppm/°C/LSB 0h = 0 ppm/°C 3FFFh = 16383 ppm/°C 7.6.1.5 Shunt Voltage Measurement (VSHUNT) Register (Address = 4h) [reset = 0h] The VSHUNT register is shown in Table 7-9. Return to the Summary Table. Table 7-9. VSHUNT Register Field Descriptions Bit Field Type Reset Description 23-4 VSHUNT R 0h Differential voltage measured across the shunt output. Two's complement value. Conversion factor: 312.5 nV/LSB when ADCRANGE = 0 78.125 nV/LSB when ADCRANGE = 1 3-0 RESERVED R 0h Reserved. Always reads 0. 7.6.1.6 Bus Voltage Measurement (VBUS) Register (Address = 5h) [reset = 0h] The VBUS register is shown in Table 7-10. Return to the Summary Table. Table 7-10. VBUS Register Field Descriptions Bit Field Type Reset Description 23-4 VBUS R 0h Bus voltage output. Two's complement value, however always positive. Conversion factor: 195.3125 µV/LSB 3-0 RESERVED R 0h Reserved. Always reads 0. 7.6.1.7 Temperature Measurement (DIETEMP) Register (Address = 6h) [reset = 0h] The DIETEMP register is shown in Table 7-11. Return to the Summary Table. Table 7-11. DIETEMP Register Field Descriptions Bit Field Type Reset Description 15-0 DIETEMP R 0h Internal die temperature measurement. Two's complement value. Conversion factor: 7.8125 m°C/LSB www.ti.com INA229 SLYS023 – DECEMBER 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 23 Product Folder Links: INA229 |
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