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AD9643BCPZRL7-210 Datasheet(PDF) 4 Page - Analog Devices |
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AD9643BCPZRL7-210 Datasheet(HTML) 4 Page - Analog Devices |
4 / 36 page AD9643 Rev. A | Page 4 of 36 ADC AC SPECIFICATIONS AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.75 V p-p full-scale input range, unless otherwise noted. Table 2. AD9643-170 AD9643-210 AD9643-250 Parameter1 Temperature Min Typ Max Min Typ Max Min Typ Max Unit SIGNAL-TO-NOISE-RATIO (SNR) fIN = 30 MHz 25°C 72.2 72.2 72.0 dBFS fIN = 90 MHz 25°C 72.0 72.0 71.7 dBFS Full 70.4 69.9 dBFS fIN = 140 MHz 25°C 71.8 71.6 71.4 dBFS fIN = 185 MHz 25°C 71.4 71.2 70.9 dBFS Full 68.8 dBFS fIN = 220 MHz 25°C 71.1 70.9 70.5 dBFS SIGNAL-TO-NOISE AND DISTORTION (SINAD) fIN = 30 MHz 25°C 71.2 71.2 71.0 dBFS fIN = 90 MHz 25°C 71.0 71.0 70.7 dBFS Full 70.4 69.9 dBFS fIN = 140 MHz 25°C 70.8 70.6 70.4 dBFS fIN = 185 MHz 25°C 70.4 70.2 69.9 dBFS Full 67.5 dBFS fIN = 220 MHz 25°C 70.1 69.9 69.5 dBFS EFFECTIVE NUMBER OF BITS (ENOB) fIN = 30 MHz 25°C 11.5 11.5 11.5 Bits fIN = 90 MHz 25°C 11.5 11.5 11.5 Bits fIN = 140 MHz 25°C 11.5 11.5 11.4 Bits fIN = 185 MHz 25°C 11.4 11.4 11.3 Bits fIN = 220 MHz 25°C 11.4 11.3 11.3 Bits WORST SECOND OR THIRD HARMONIC fIN = 30 MHz 25°C −95 −90 −90 dBc fIN = 90 MHz 25°C −92 −90 −88 dBc Full −78 −80 dBc fIN = 140 MHz 25°C −88 −88 −85 dBc fIN = 185 MHz 25°C −83 −87 −85 dBc Full −80 dBc fIN = 220 MHz 25°C −83 −85 −85 dBc SPURIOUS-FREE DYNAMIC RANGE (SFDR) fIN = 30 MHz 25°C 95 90 90 dBc fIN = 90 MHz 25°C 92 90 88 dBc Full 78 80 dBc fIN = 140 MHz 25°C 88 88 86 dBc fIN = 185 MHz 25°C 83 87 85 dBc Full 80 dBc fIN = 220 MHz 25°C 83 85 85 dBc WORST OTHER (HARMONIC OR SPUR) fIN = 30 MHz 25°C −98 −95 −94 dBc fIN = 90 MHz 25°C −97 −95 −93 dBc Full −78 −80 dBc fIN = 140 MHz 25°C −97 −93 −92 dBc fIN = 185 MHz 25°C −96 −92 −92 dBc Full −80 dBc fIN = 220 MHz 25°C −94 −90 −88 dBc TWO-TONE SFDR fIN = 184.12 MHz (−7 dBFS ), 187.12 MHz (−7 dBFS ) 25°C 88 88 88 dBc |
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