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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9683 датащи(PDF) 6 Page - Analog Devices |
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AD9683 датащи(HTML) 6 Page - Analog Devices |
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6 / 45 page  Data Sheet AD9683 Rev. D | Page 5 of 44 ADC AC SPECIFICATIONS AVDD = 1.8 V, DRVDD = 1.8 V, DVDD = 1.8 V, maximum sample rate for speed grade, VIN = −1.0 dBFS differential input, 1.75 V p-p full-scale input range, default SPI, unless otherwise noted. Table 2. AD9683-170 AD9683-250 Parameter1 Temperature Min Typ Max Min Typ Max Unit SIGNAL-TO-NOISE-RATIO (SNR) fIN = 30 MHz 25°C 72.3 72.1 dBFS fIN = 90 MHz 25°C 72.0 71.7 dBFS Full 71 dBFS fIN = 140 MHz 25°C 71.3 71.3 dBFS fIN = 185 MHz 25°C 70.5 70.6 dBFS Full 70.0 dBFS fIN = 220 MHz 25°C 70.0 70.0 dBFS SIGNAL-TO-NOISE AND DISTORTION (SINAD) fIN = 30 MHz 25°C 71.3 70.9 dBFS fIN = 90 MHz 25°C 70.8 70.6 dBFS Full 69.9 dBFS fIN = 140 MHz 25°C 70.2 70.1 dBFS fIN = 185 MHz 25°C 69.5 69.5 dBFS Full 68.7 dBFS fIN = 220 MHz 25°C 68.8 68.7 dBFS EFFECTIVE NUMBER OF BITS (ENOB) fIN = 30 MHz 25°C 11.5 11.5 Bits fIN = 90 MHz 25°C 11.5 11.4 Bits fIN = 140 MHz 25°C 11.4 11.4 Bits fIN = 185 MHz 25°C 11.3 11.3 Bits fIN = 220 MHz 25°C 11.1 11.1 Bits SPURIOUS-FREE DYNAMIC RANGE (SFDR) fIN = 30 MHz 25°C 94 87 dBc fIN = 90 MHz 25°C 89 86 dBc Full 81 dBc fIN = 140 MHz 25°C 94 87 dBc fIN = 185 MHz 25°C 89 88 dBc Full 80 dBc fIN = 220 MHz 25°C 87 86 dBc WORST SECOND OR THIRD HARMONIC fIN = 30 MHz 25°C −94 −87 dBc fIN = 90 MHz 25°C −89 −86 dBc Full −81 dBc fIN = 140 MHz 25°C −94 −87 dBc fIN = 185 MHz 25°C −89 −88 dBc Full −80 dBc fIN = 220 MHz 25°C −87 −86 dBc WORST OTHER (HARMONIC OR SPUR) fIN = 30 MHz 25°C −99 −95 dBc fIN = 90 MHz 25°C −92 −94 dBc Full −83 dBc fIN = 140 MHz 25°C −96 −94 dBc fIN = 185 MHz 25°C −94 −93 dBc Full −82 dBc fIN = 220 MHz 25°C −95 −92 dBc |
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