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ADS6445 Datasheet(PDF) 43 Page - STMicroelectronics |
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ADS6445 Datasheet(HTML) 43 Page - STMicroelectronics |
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43 / 75 page ![]() www.ti.com 71 72 73 74 75 76 Input Clock Duty Cycle − % 85 87 89 91 93 95 35 40 45 50 55 60 65 G068 SNR SFDR fIN = 20.1 MHz 72 73 74 75 76 77 78 79 80 80 82 84 86 88 90 92 94 96 0.5 1.0 1.5 2.0 2.5 3.0 Input Clock Amplitude − VPP G067 SNR SFDR fIN = 50.1 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 10 20 30 40 50 60 G069 LVDD AVDD Output Code 0 5 10 15 20 25 30 35 40 8189 8190 8191 8192 8193 8194 8195 8196 8197 G070 RMS LSB = 1.027 66 68 70 72 74 76 VVCM − VCM Voltage − V 86 88 90 92 94 96 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 fIN = 50.1 MHz External Reference Mode G071 SNR SFDR f − Frequency − MHz −100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0 0 50 100 150 200 250 300 G018 ADS6445, ADS6444 ADS6443, ADS6442 SLAS531 – MAY 2007 ADS6442 (F srated = 65 MSPS) (continued) PERFORMANCE vs CLOCK AMPLITUDE (differential) PERFORMANCE vs CLOCK DUTY CYCLE Figure 72. Figure 73. OUTPUT NOISE HISTOGRAM WITH POWER DISSIPATION vs SAMPLING FREQUENCY INPUTS TIED TO COMMON-MODE Figure 74. Figure 75. PERFORMANCE IN EXTERNAL REFERENCE MODE CMRR vs FREQUENCY Figure 76. Figure 77. 43 Submit Documentation Feedback |
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