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AD76871 数据表(PDF) 10 Page - Analog Devices |
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AD76871 数据表(HTML) 10 Page - Analog Devices |
10 / 28 page AD7986 Rev. B | Page 10 of 28 0 200k 400k 600k 800k 1M –180 –200 –160 –140 –120 –100 –80 –60 –40 –20 0 FREQUENCY (Hz) fS = 2MSPS fIN = 20kHz SNR = 97.0dB THD = –114.0dB SINAD = 97.0dB Figure 11. FFT Plot (External Reference) 14 15 16 17 18 80 85 90 95 100 2.5 3.0 3.5 4.0 4.5 5.0 REFERENCE VOLTAGE (V) SNR SINAD ENOB Figure 12. SNR, SINAD, and ENOB vs. Reference Voltage 80 85 90 95 100 1k 10k 100k 1M FREQUENCY (Hz) Figure 13. SINAD vs. Frequency 0 200k 400k 600k 800k 1M –180 –160 –140 –120 –100 –80 –60 –40 –20 0 FREQUENCY (Hz) fS = 2MSPS fIN = 20kHz SNR = 95.5dB THD = –113.0dB SINAD = 95.5dB Figure 14. FFT Plot (Internal Reference) 105 110 95 100 115 120 125 –120 –125 –115 –110 –105 –100 –95 2.5 3.0 3.5 4.0 4.5 5.0 REFERENCE VOLTAGE (V) THD SFDR Figure 15. THD and SFDR vs. Reference Voltage –125 –120 –115 –110 –105 –100 –95 –90 –85 –80 1k 10k 100k 1M FREQUENCY (Hz) Figure 16. THD vs. Frequency |
类似零件编号 - AD76871 |
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类似说明 - AD76871 |
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