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ADS1234 Datasheet(PDF) 11 Page - Texas Instruments |
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ADS1234 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 40 page www.ti.com V IN (V) 1000 900 800 700 600 500 400 300 200 100 0 2.5 −2.5 −2.0 −1.5 −0.5 −1.0 1.0 0 0.5 1.5 2.0 PGA = 1 Data Rate = 10SPS V IN (mV) 50 45 40 35 30 25 20 15 10 5 0 19 −19 −14.25 −9.5 −4.75 4.75 0 9.5 14.25 PGA = 128 Data Rate = 10SPS V IN (V) 5 4 3 2 1 0 −1 −2 −3 −4 −5 25 20 15 10 5 0 −5 −10 −15 −20 −25 2.5 −2.5 −2.0 −1.5 −0.5 −1.0 1.0 0 0.5 1.5 2.0 PGA = 1 V IN (mV) 10 8 6 4 2 0 −2 −4 −6 −8 −10 390.625 312.5 234.375 156.25 78.125 0 −78.125 −156.25 −234.375 −312.5 −390.625 19 −19 −14.25 −9.5 −4.75 4.75 0 9.5 14.25 PGA = 128 Temperature ( _C) 2000 1600 1200 800 400 0 110 −50 −30 −10 10 30 50 70 90 Normal Mode, PGA = 64, 128 Normal Mode, PGA = 1, 2 Temperature ( _C) 120 100 80 60 40 20 0 110 −50 −30 −10 10 30 50 70 90 Normal Mode, PGA = 64, 128 Normal Mode, PGA = 1, 2 Sleep Mode, All PGAs ADS1232 ADS1234 SBAS350F – JUNE 2005 – REVISED FEBRUARY 2008 TYPICAL CHARACTERISTICS (continued) At TA = +25°C, AVDD = DVDD = VREFP = 5V, and VREFN = AGND, unless otherwise noted. NOISE vs INPUT SIGNAL NOISE vs INPUT SIGNAL Figure 19. Figure 20. INTEGRAL NONLINEARITY INTEGRAL NONLINEARITY vs INPUT SIGNAL vs INPUT SIGNAL Figure 21. Figure 22. ANALOG CURRENT DIGITAL CURRENT vs TEMPERATURE vs TEMPERATURE Figure 23. Figure 24. Copyright © 2005–2008, Texas Instruments Incorporated 11 Product Folder Link(s): ADS1232 ADS1234 |
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