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ADS1292 Datasheet(PDF) 9 Page - Texas Instruments |
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ADS1292 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 69 page  ADS1291 ADS1292 ADS1292R www.ti.com SBAS502A – DECEMBER 2011 – REVISED MARCH 2012 Table 6. Input-Referred Noise ( μVRMS/μVPP) 5-V Analog Supply and 4.033-V Reference (1) PGA GAIN = 3 PGA GAIN = 4 DR BITS OUTPUT OF DATA –3-dB NOISE- NOISE- CONFIG1 RATE BANDWIDTH FREE FREE REGISTER (SPS) (Hz) μVRMS μVPP SNR BITS ENOB μVRMS μVPP SNR BITS ENOB 000 125 32.75 0.6 4.2 123.4 19.28 20.50 0.5 3.6 122.3 19.08 20.32 001 250 65.5 0.9 5.7 120.7 18.82 20.04 0.7 4.8 119.5 18.66 19.86 010 500 131 1.3 8.4 117.3 18.27 19.49 1.1 7.4 116.2 18.04 19.31 011 1000 262 2.0 13.3 113.5 17.62 18.85 1.6 11.0 112.7 17.48 18.72 100 2000 524 5.1 53 105.3 15.61 17.49 3.9 38 105.2 15.67 17.47 101 4000 1048 28.7 307 90.3 13.08 15.00 20.7 222 90.6 13.14 15.06 110 8000 2096 149.3 1598 76.0 10.70 12.62 111.8 1196 76.0 10.71 12.63 111 NA NA — — — — — — — — — — (1) At least 1000 consecutive readings were used to calculate the peak-to-peak noise values in this table. Table 7. Input-Referred Noise ( μVRMS/μVPP) 5-V Analog Supply and 4.033-V Reference (1) PGA GAIN = 6 PGA GAIN = 8 DR BITS OUTPUT OF DATA –3-dB NOISE- NOISE- CONFIG1 RATE BANDWIDTH FREE FREE REGISTER (SPS) (Hz) μVRMS μVPP SNR BITS ENOB μVRMS μVPP SNR BITS ENOB 000 125 32.75 0.5 3.0 120.4 18.78 19.99 0.4 2.7 118.5 18.48 19.68 001 250 65.5 0.6 4.0 117.5 18.36 19.52 0.6 3.8 115.7 18.01 19.21 010 500 131 0.9 6.0 114.3 17.75 18.99 0.8 5.3 112.8 17.53 18.74 011 1000 262 1.4 8.8 110.8 17.20 18.41 1.2 8.1 109.5 16.92 18.19 100 2000 524 2.8 24 104.6 15.74 17.38 2.3 18 103.6 15.73 17.22 101 4000 1048 13.3 142 91.0 13.20 15.12 9.3 100 91.5 13.29 15.21 110 8000 2096 71.5 765 76.4 10.77 12.69 52.3 560 76.6 10.80 12.72 111 NA NA — — — — — — — — — — (1) At least 1000 consecutive readings were used to calculate the peak-to-peak noise values in this table. Table 8. Input-Referred Noise ( μVRMS/μVPP) 5-V Analog Supply and 4.033-V Reference (1) PGA GAIN = 12 DR BITS OUTPUT OF DATA –3-dB NOISE- CONFIG1 RATE BANDWIDTH FREE REGISTER (SPS) (Hz) μVRMS μVPP SNR BITS ENOB 000 125 32.75 0.4 2.6 115.7 17.96 19.21 001 250 65.5 0.5 3.4 112.9 17.59 18.75 010 500 131 0.8 5.2 109.8 16.96 18.24 011 1000 262 1.1 6.9 106.6 16.56 17.70 100 2000 524 1.9 14 101.9 15.57 16.83 101 4000 1048 5.9 63 92.0 13.37 15.29 110 8000 2096 33.8 362 76.9 10.85 12.77 111 NA NA — — — — — (1) At least 1000 consecutive readings were used to calculate the peak-to-peak noise values in this table. Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): ADS1291 ADS1292 ADS1292R |
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