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ADS1278IPAPR Datasheet(PDF) 16 Page - Texas Instruments |
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ADS1278IPAPR Datasheet(HTML) 16 Page - Texas Instruments |
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16 / 51 page ![]() -40 -20 0 20 40 60 80 100 Temperature(°C) 0.68 0.67 0.66 0.65 0.64 0.63 0.62 6.8 6.7 6.6 6.5 6.4 6.3 6.2 120 125 High-Speedand High-ResolutionModes Low-SpeedMode -40 -20 0 20 40 60 80 100 Temperature(°C) 14.4 14.3 14.2 14.1 14.0 13.9 13.8 13.7 13.6 13.5 13.4 28.8 28.6 28.4 28.2 28.0 27.8 27.6 27.4 27.2 27.0 26.8 120 125 Low-PowerMode High-Speedand High-ResolutionModes -40 -20 0 20 40 60 80 100 Temperature(°C) 155 150 145 140 135 130 125 120 115 120 125 Low-SpeedMode -40 -20 0 20 40 60 80 100 Temperature( C) ° 10 8 6 4 2 0 120 125 -2.0 -2.5 V (V) IN 10 8 6 4 2 0 -2 -4 -6 -8 -10 2.5 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0 T= 40 C - ° T=+25 C ° T=+125 C ° T=+105 C ° 0 V (V) REF 14 12 10 8 6 4 2 0 -100 -104 -108 -112 -116 -120 -124 -128 3.5 THD 0.5 1.0 1.5 2.0 2.5 3.0 Linearity THD:f =1kHz,V = 0.5dBFS IN IN - See for ElectricalCharacteristics V OperatingRange. REF ADS1274 ADS1278 SBAS367F – JUNE 2007 – REVISED FEBRUARY 2011 www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, High-Speed mode, AVDD = +5V, DVDD = +1.8V, IOVDD = +3.3V, fCLK = 27MHz, VREFP = 2.5V, and VREFN = 0V, unless otherwise noted. ADS1278 REFERENCE INPUT DIFFERENTIAL ANALOG INPUT DIFFERENTIAL IMPEDANCE IMPEDANCE vs TEMPERATURE vs TEMPERATURE Figure 37. Figure 38. ANALOG INPUT DIFFERENTIAL IMPEDANCE INTEGRAL NONLINEARITY vs TEMPERATURE vs TEMPERATURE Figure 39. Figure 40. LINEARITY ERROR LINEARITY AND TOTAL HARMONIC DISTORTION vs INPUT LEVEL vs REFERENCE VOLTAGE Figure 41. Figure 42. 16 Submit Documentation Feedback © 2007–2011, Texas Instruments Incorporated Product Folder Link(s): ADS1274 ADS1278 |
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