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ADS1258IPHPREP Datasheet(PDF) 15 Page - Texas Instruments |
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ADS1258IPHPREP Datasheet(HTML) 15 Page - Texas Instruments |
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15 / 57 page ![]() Temperature ( _C) 18 17 16 15 14 −40 −20 120 100 0 20 80 60 40 Ratio ( µA/µA) 25 20 15 10 5 0 50 units from two production lots. Temperature ( _C) 10 8 6 4 2 0 1.0 0.8 0.6 0.4 0.2 0 −40 −20 120 0 20 40 60 80 100 AVDD, AVSS DVDD Master Clock (MHz) 20 16 12 8 4 0 20 16 12 8 4 0 0.1 1 100 10 DRATE[1:0] = 11 Noise Linearity ADS1258-EP www.ti.com SBAS445C – MARCH 2009 – REVISED DECEMBER 2009 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. SENSOR BIAS CURRENT SOURCE RATIO SENSOR BIAS CURRENT SOURCE RATIO HISTOGRAM vs TEMPERATURE Figure 30. Figure 31. SUPPLY CURRENT vs TEMPERATURE NOISE AND INL vs MASTER CLOCK Figure 32. Figure 33. Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 15 Product Folder Link(s): ADS1258-EP |
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