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ADS1281IPWR Datasheet(PDF) 7 Page - Texas Instruments |
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ADS1281IPWR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 46 page www.ti.com TYPICAL CHARACTERISTICS 0 50 Frequency(Hz) 0 -20 -40 -60 -80 -180 100 150 500 250 350 450 200 300 400 -100 -120 -140 -160 V = 0.5dBFS,31.25Hz THD= 121.8dB IN - - 0 50 Frequency(Hz) 0 -20 -40 -60 -80 -180 100 150 500 250 350 450 200 300 400 -100 -120 -140 -160 V = 20dBFS,31.25Hz THD= 120.1dB IN - - 0 50 Frequency(Hz) 0 -20 -40 -60 -80 -180 100 150 500 250 350 450 200 300 400 -100 -120 -140 -160 ShortedInput SNR=124.1dB 0 50 Frequency(Hz) 0 -20 -40 -60 -80 -180 100 150 500 250 350 450 200 300 400 -100 -120 -140 -160 V =20mV SNR=124.3dB IN DC 10 20 InputFrequency(Hz) -100 -105 -110 -115 -120 -130 30 40 100 60 80 50 70 90 -125 THDLimitedby SignalGenerator V = 0.5dBFS - IN SNR(dB) 14 12 10 8 0 6 4 2 25Units ShortedInput ADS1281 SBAS378A – SEPTEMBER 2007 – REVISED NOVEMBER 2007 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. OUTPUT SPECTRUM OUTPUT SPECTRUM Figure 1. Figure 2. OUTPUT SPECTRUM OUTPUT SPECTRUM Figure 3. Figure 4. THD vs INPUT FREQUENCY SNR HISTOGRAM Figure 5. Figure 6. Copyright © 2007, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): ADS1281 |
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