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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADS1258IPHPREP датащи(PDF) 12 Page - Texas Instruments |
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ADS1258IPHPREP датащи(HTML) 12 Page - Texas Instruments |
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12 / 57 page  Temperature ( _C) 20 0 −20 −40 −60 −40 −20 100 0 20 80 60 40 CHOP = 1 CHOP = 1, No Buffer CHOP = 0, No Buffer 50 units from two production lots. V REF (V) 0.5 1.0 10 8 6 4 2 0 −2 −4 −6 −8 −10 5.5 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Time After Power−On (s) 10 8 6 4 2 0 −2 −4 −6 −8 −10 0 10 60 20 30 40 50 Free−Air Absolute Gain Error (ppm) 80 60 40 20 0 320 units from one production lot. ADS1258-EP SBAS445C – MARCH 2009 – REVISED DECEMBER 2009 www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = +3.3V, fCLK = 16MHz (external clock) or fCLK = 15.729MHz (internal clock), OPA227 buffer between MUX outputs and ADC inputs, VREFP = +2.048V, and VREFN = –2.048V, unless otherwise noted. OFFSET vs TEMPERATURE OFFSET vs VREF Figure 16. Figure 17. OFFSET POWER-ON WARMUP GAIN ERROR HISTOGRAM Figure 18. Figure 19. 12 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): ADS1258-EP |
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