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AD4022BCPZ-R2 数据表(PDF) 12 Page - Analog Devices |
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AD4022BCPZ-R2 数据表(HTML) 12 Page - Analog Devices |
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12 / 39 page ![]() AD4020/AD4021/AD4022 Data Sheet Rev. B | Page 12 of 39 0 50000 100000 150000 200000 250000 524210 524220 524230 524240 524250 524260 524270 ADC CODE 2.5V CODE CENTER 5V CODE CENTER Figure 11. Histogram of a DC Input at Code Center, VREF = 2.5 V and VREF = 5 V 0 –60 –160 –120 –20 –100 –80 –140 –40 –180 100 100k 10k 1k 900k FREQUENCY (Hz) VREF = 5V SNR = 100.33dB THD = –123.99dB SINAD = 100.31dB Figure 12. 1 kHz, −0.5 dBFS Input Tone Fast Fourier Transform (FFT), VREF = 5 V 0 –60 –160 –120 –20 –100 –80 –140 –40 –180 1k 100k 10k 900k FREQUENCY (Hz) VREF = 5V SNR = 98.37dB THD = –98.52dB SINAD = 95.58dB Figure 13. 100 kHz, −0.5 dBFS Input Tone FFT 0 50000 100000 150000 200000 250000 524205 524215 524225 524235 524245 524255 524265 ADC CODE 2.5V CODE TRANSITION 5V CODE TRANSITION Figure 14. Histogram of a DC Input at Code Transition, VREF = 2.5 V and VREF = 5 V 0 –60 –160 –120 –20 –100 –80 –140 –40 –180 100 100k 10k 1k 900k FREQUENCY (Hz) VREF = 2.5V SNR = 95.01dB THD = –118.60dB SINAD = 94.99dB Figure 15. 1 kHz, −0.5 dBFS Input Tone FFT, VREF = 2.5 V 0 –60 –160 –120 –20 –100 –80 –140 –40 –180 1k 100k 10k 900k FREQUENCY (Hz) VREF = 5V SNR = 91.22dB THD = –91.97dB SINAD = 89.15dB Figure 16. 400 kHz, −0.5 dBFS Input Tone FFT |
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