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ADS6445 数据表(PDF) 33 Page - STMicroelectronics |
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ADS6445 数据表(HTML) 33 Page - STMicroelectronics |
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33 / 75 page ![]() www.ti.com 70 71 72 73 74 75 76 77 78 Input Amplitude − dBFS 30 40 50 60 70 80 90 100 110 −60 −50 −40 −30 −20 −10 0 fIN = 20 MHz G012 SFDR (dBc) SFDR (dBFS) SNR (dBFS) 71 72 73 74 75 76 77 T − Temperature − °C 74 76 78 80 82 84 86 −40 −20 0 20 40 60 80 G011 fIN = 50.1 MHz SNR SFDR 70 71 72 73 74 75 76 77 72 74 76 78 80 82 84 86 0.5 1.0 1.5 2.0 2.5 3.0 Input Clock Amplitude − VPP G013 SNR SFDR fIN = 50.1 MHz 72 73 74 75 76 77 78 Input Clock Duty Cycle − % 84 85 86 87 88 89 90 35 40 45 50 55 60 65 G014 SNR SFDR fIN = 20.1 MHz fS − Sampling Frequency − MSPS 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 25 50 75 100 125 G015 LVDD AVDD Output Code 0 5 10 15 20 25 30 35 40 8187 8188 8189 8190 8191 8192 8193 8194 8195 8196 G016 RMS LSB = 1.064 ADS6445, ADS6444 ADS6443, ADS6442 SLAS531 – MAY 2007 ADS6445 (F srated = 125 MSPS) (continued) PERFORMANCE vs TEMPERATURE PERFORMANCE vs INPUT AMPLITUDE Figure 16. Figure 17. PERFORMANCE vs CLOCK AMPLITUDE (differential) PERFORMANCE vs CLOCK DUTY CYCLE Figure 18. Figure 19. OUTPUT NOISE HISTOGRAM WITH POWER DISSIPATION vs SAMPLING FREQUENCY INPUTS TIED TO COMMON-MODE Figure 20. Figure 21. 33 Submit Documentation Feedback |
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