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ADS1292 Datasheet(PDF) 8 Page - Texas Instruments |
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ADS1292 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 69 page  ADS1291 ADS1292 ADS1292R SBAS502A – DECEMBER 2011 – REVISED MARCH 2012 www.ti.com Table 3. Input-Referred Noise ( μVRMS/μVPP) 3-V Analog Supply and 2.42-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 3.0 115.9 18.04 19.26 0.4 2.6 114.0 17.82 18.94 001 250 65.5 0.7 4.1 112.8 17.58 18.73 0.6 3.9 111.0 17.22 18.44 010 500 131 0.9 5.6 109.9 17.14 18.25 0.8 5.5 108.0 16.75 17.93 011 1000 262 1.3 8.7 106.8 16.49 17.73 1.2 7.6 104.9 16.26 17.42 100 2000 524 2.2 16 102.1 15.64 16.96 2.0 14 100.7 15.36 16.72 101 4000 1048 7.5 77 91.5 13.34 15.19 5.5 56 91.7 13.39 15.24 110 8000 2096 42.7 436 76.4 10.84 12.69 31.3 319 76.6 10.88 12.73 111 NA NA — — — — — — — — — — (1) At least 1000 consecutive readings were used to calculate the peak-to-peak noise values in this table. Table 4. Input-Referred Noise ( μVRMS/μVPP) 3-V Analog Supply and 2.42-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 2.5 111.3 17.31 18.48 001 250 65.5 0.5 3.5 108.4 16.81 18.01 010 500 131 0.8 5.0 105.0 16.29 17.44 011 1000 262 1.1 6.9 102.1 15.82 16.97 100 2000 524 1.7 11 98.6 15.21 16.38 101 4000 1048 3.5 36 92.0 13.44 15.29 110 8000 2096 20.1 205 76.9 10.93 12.78 111 NA NA — — — — — (1) At least 1000 consecutive readings were used to calculate the peak-to-peak noise values in this table. Table 5. Input-Referred Noise ( μVRMS/μVPP) 5-V Analog Supply and 4.033-V Reference (1) PGA GAIN = 1 PGA GAIN = 2 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 1.6 10.2 124.9 19.58 20.75 0.9 5.4 124.3 19.50 20.65 001 250 65.5 2.2 13.3 122.3 19.20 20.31 1.2 8.1 121.3 18.91 20.15 010 500 131 3.1 18.9 119.3 18.69 19.82 1.7 10.6 118.2 18.52 19.63 011 1000 262 4.9 31.9 115.2 17.94 19.14 2.7 17.9 114.4 17.77 19.00 100 2000 524 15.5 167 105.2 15.55 17.48 7.5 80 105.5 15.62 17.53 101 4000 1048 89.6 959 90.0 13.03 14.95 45.0 481 89.9 13.02 14.94 110 8000 2096 460.1 4923 75.8 10.67 12.59 229.0 2450 75.8 10.67 12.59 111 NA NA — — — — — — — — — — (1) At least 1000 consecutive readings were used to calculate the peak-to-peak noise values in this table. 8 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Product Folder Link(s): ADS1291 ADS1292 ADS1292R |
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