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ADC3908CSSS 数据表(PDF) 18 Page - Texas Instruments |
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ADC3908CSSS 数据表(HTML) 18 Page - Texas Instruments |
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18 / 131 page ![]() 5.12 Typical Characteristics - 25MSPS Typical values at TA = 25°C, ADC sampling rate = 25MSPS, AIN = –1dBFS, differential input, AVDD = IOVDD = 1.8V, internal 1.2V voltage reference, unless otherwise noted. Input Frequency (MHz) 0 5 10 12.5 -120 -100 -80 -60 -40 -20 0 SNR = 61.2dBFS, SFDR = 64dBc, Non HD23 = 84dBFS Figure 5-5. Single Tone FFT at FIN = 1MHz Input Frequency (MHz) 0 5 10 12.5 -120 -100 -80 -60 -40 -20 0 SNR = 59dBFS, SFDR = 63dBc, Non HD23 = 85dBFS Figure 5-6. Single Tone FFT at FIN = 1MHz, Single-ended Input Input Frequency (MHz) 0 5 10 12.5 -120 -100 -80 -60 -40 -20 0 SNR = 61dBFS, SFDR = 65dBc, Non HD23 = 87dBFS Figure 5-7. Single Tone FFT at FIN = 10MHz Input Frequency (MHz) 0 5 10 12.5 -120 -100 -80 -60 -40 -20 0 SNR = 61.2dBFS, SFDR = 63dBc, Non HD23 = 83dBFS Figure 5-8. Single Tone FFT at FIN = 10MHz, AIN = -20dBFS Input Frequency (MHz) 0 5 10 12.5 -120 -100 -80 -60 -40 -20 0 AIN = -7dBFS/tone, IMD3 = -98dBc Figure 5-9. Two Tone FFT at FIN = 10/12MHz Input Frequency (MHz) 0 4 8 12 16 20 24 28 32 36 40 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 5-10. AC Performance vs Input Frequency ADC3910D025, ADC3910D065, ADC3910D125 ADC3910S025, ADC3910S065, ADC3910S125 SBASAD1A – DECEMBER 2023 – REVISED MAY 2024 www.ti.com 18 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated Product Folder Links: ADC3910D025 ADC3910D065 ADC3910D125 ADC3910S025 ADC3910S065 ADC3910S125 |
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