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ADC3908CSSS 数据表(PDF) 19 Page - Texas Instruments |
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ADC3908CSSS 数据表(HTML) 19 Page - Texas Instruments |
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19 / 131 page ![]() 5.12 Typical Characteristics - 25MSPS (continued) Typical values at TA = 25 °C, ADC sampling rate = 25 MSPS, AIN = –1 dBFS, differential input, AVDD = IOVDD = 1.8 V, internal 1.2 V voltage reference, unless otherwise noted. 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 = 1 MHz Figure 5-11. AC Performance vs Input Amplitude Sample Rate (MSPS) 5 10 15 20 25 60.5 60 60.75 70 61 80 61.25 90 61.5 100 61.75 110 SNR SFDR Non HD23 FIN = 1 MHz Figure 5-12. AC Performance vs Sampling Rate Input Frequency (MHz) 0 5 10 15 20 25 30 35 40 45 50 85 90 95 100 105 110 115 Channel A Channel B Figure 5-13. Crosstalk vs Input Frequency FIN = 1 MHz Figure 5-14. AC Performance vs AVDD VCM Offset (mV) -50 -25 0 25 50 60.5 50 60.75 55 61 60 61.25 65 61.5 70 SNR, -40°C SNR, 25°C SNR, 105°C SFDR, -40°C SFDR, 25°C SFDR, 105°C FIN = 1 MHz Figure 5-15. AC Performance vs VCM vs Temperature Code 0 128 256 384 512 640 768 896 1024 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 Ext REF Int REF FIN = 5 MHz Figure 5-16. INL vs ADC Code www.ti.com ADC3910D125 SBASAD1 – DECEMBER 2023 Copyright © 2023 Texas Instruments Incorporated Submit Document Feedback 19 Product Folder Links: ADC3910D125 |
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