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ADS1281 Datasheet(PDF) 8 Page - Texas Instruments |
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ADS1281 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 51 page -55 -35 Temperature( C) ° 125 124 123 122 121 120 -15 5 125 45 85 25 65 105 SNR:ShortedInput THD:V =31.25Hz, 0.5dBFS - IN -115 -117 -119 -121 -123 -125 0 1 V (V) REF 6 5 4 0 2 3 6 5 4 3 -105 -110 -115 -135 -120 Noise:ShortedInput THD:V =31.25Hz, 0.5dBFS - IN 2 -125 1 -130 1.0 1.5 f (MHz) CLK 125 123 121 117 2.0 2.5 4.5 3.5 3.0 4.0 119 -105 -110 -115 -125 -120 SNR:ShortedInput THD:V =31.25Hz, 0.5dBFS - IN DataRate=f /4096 CLK 10 100 Power-SupplyandCommon-ModeFrequency(Hz) 140 120 100 0 1k 10k 1M 100k 80 CMR AVDD 60 40 40 AVSS DVDD -2.5 -2.0 InputLevel(V) 3 2 1 0 -1 -3 -1.5 -1.0 2.5 0 1.0 2.0 -0.5 0.5 1.5 -2 IntegralNonlinearity= 0.5ppm ± -55 -35 Temperature( C) ° 4 2 1 0 -15 5 125 65 25 85 105 3 45 16 8 4 0 12 INL Power ADS1281 SBAS378D – AUGUST 2007 – REVISED JUNE 2010 www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, AVDD = +2.5V, AVSS = –2.5V, fCLK = 4.096MHz, VREFP = +2.5V, VREFN = –2.5V, DVDD = +3.3V, and fDATA = 1000SPS, unless otherwise noted. SNR AND THD vs TEMPERATURE NOISE AND THD vs VREF Figure 7. Figure 8. POWER-SUPPLY AND COMMON-MODE REJECTION SNR AND THD vs fCLK vs FREQUENCY Figure 9. Figure 10. LINEARITY ERROR vs INPUT LEVEL INL AND POWER vs TEMPERATURE Figure 11. Figure 12. 8 Submit Documentation Feedback Copyright © 2007–2010, Texas Instruments Incorporated Product Folder Link(s): ADS1281 |
Similar Part No. - ADS1281_14 |
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Similar Description - ADS1281_14 |
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