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AD9410 Arkusz danych(PDF) 11 Page - Analog Devices |
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AD9410 Arkusz danych(HTML) 11 Page - Analog Devices |
11 / 20 page AD9410 Rev. A | Page 11 of 20 Signal-to-Noise-and-Distortion (SINAD) The ratio of the rms signal amplitude (set 0.5 dB below full scale) to the rms value of the sum of all other spectral components, including harmonics, but excluding dc. Signal-to-Noise Ratio (Without Harmonics) The ratio of the rms signal amplitude (set at 0.5 dB below full scale) to the rms value of the sum of all other spectral components, excluding the first five harmonics and dc. Spurious-Free Dynamic Range (SFDR) The ratio of the rms signal amplitude to the rms value of the peak spurious spectral component. The peak spurious component may or may not be a harmonic. It may be reported in dBc (that is, degrades as signal level is lowered) or dBFS (always related back to converter full scale). Transient Response Time Transient response time is defined as the time it takes for the ADC to reacquire the analog input after a transient from 10% above negative full scale to 10% below positive full scale. Two-Tone Intermodulation Distortion Rejection The ratio of the rms value of either input tone to the rms value of the worst third-order intermodulation product; reported in dBc. Two-Tone SFDR The ratio of the rms value of either input tone to the rms value of the peak spurious component. The peak spurious component may or may not be an IMD product. May be reported in dBc (that is, degrades as signal level is lowered) or in dBFS (always related back to converter full scale). Worst Other Spur The ratio of the rms signal amplitude to the rms value of the worst spurious component (excluding the second and third harmonic) reported in dBc. Table 7. Output Coding (VREF = 2.5 V) Step AIN − AIN Digital Outputs Offset Binary Digital Outputs Twos Complement ORA, ORB >+0.768 11 1111 1111 01 1111 1111 1 1023 +0.768 11 1111 1111 01 1111 1111 0 · · · · · · · · · · 513 +0.0015 10 0000 0001 00 0000 0001 0 512 0.0 10 0000 0000 00 0000 0000 0 511 –0.0015 01 1111 1111 11 1111 1111 0 · · · · · · · · · · 0 –0.768 00 0000 0000 10 0000 0000 0 < –0.768 00 0000 0000 10 0000 0000 1 |
Podobny numer części - AD9410_15 |
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Podobny opis - AD9410_15 |
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