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ADC3908CSSS 数据表(PDF) 23 Page - Texas Instruments |
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ADC3908CSSS 数据表(HTML) 23 Page - Texas Instruments |
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23 / 131 page ![]() 5.13 Typical Characteristics - 65MSPS (continued) Typical values at TA = 25 °C, ADC sampling rate = 65 MSPS, AIN = –1 dBFS, differential input, AVDD = IOVDD = 1.8 V, internal 1.2 V voltage reference, unless otherwise noted. Input Frequency (MHz) 0 8 16 24 32 40 48 56 64 72 80 60.5 60 60.6 64 60.7 68 60.8 72 60.9 76 61 80 61.1 84 61.2 88 61.3 92 61.4 96 61.5 100 SNR, ext REF SFDR, ext REF Non HD23, ext REF SNR, int REF SFDR, int REF Non-HD23, int REF Figure 5-30. AC Performance vs Input Frequency Input Amplitude (dBFS) -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 58 10 58.5 20 59 30 59.5 40 60 50 60.5 60 61 70 61.5 80 62 90 62.5 100 63 110 SNR SFDR Non HD23 FIN = 5 MHz Figure 5-31. AC Performance vs Input Amplitude Sample Rate (MSPS) 5 10 15 20 25 30 35 40 45 50 55 60 65 60.5 60 60.6 65 60.7 70 60.8 75 60.9 80 61 85 61.1 90 61.2 95 61.3 100 61.4 105 61.5 110 SNR SFDR Non HD23 FIN = 5 MHz Figure 5-32. AC Performance vs Sampling Rate Input Frequency (MHz) 0 10 20 30 40 50 60 70 80 90 100 70 75 80 85 90 95 100 105 110 Channel A Channel B Figure 5-33. Crosstalk vs Input Frequency AVDD (V) 1.7 1.75 1.8 1.85 1.9 60 60 60.5 70 61 80 61.5 90 62 100 62.5 110 SNR SFDR Non HD23 FIN = 5 MHz Figure 5-34. AC Performance vs AVDD FIN = 5 MHz Figure 5-35. AC Performance vs VCM vs Temperature www.ti.com ADC3910D125 SBASAD1 – DECEMBER 2023 Copyright © 2023 Texas Instruments Incorporated Submit Document Feedback 23 Product Folder Links: ADC3910D125 |
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