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AD9251BCPZRL7-40 Arkusz danych(PDF) 6 Page - Analog Devices |
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AD9251BCPZRL7-40 Arkusz danych(HTML) 6 Page - Analog Devices |
6 / 37 page Data Sheet AD9251 Rev. B | Page 5 of 36 AC SPECIFICATIONS AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, DCS disabled, unless otherwise noted. Table 2. Parameter1 Temp AD9251-20/AD9251-40 AD9251-65 AD9251-80 Unit Min Typ Max Min Typ Max Min Typ Max SIGNAL-TO-NOISE RATIO (SNR) fIN = 9.7 MHz 25°C 74.7 74.5 74.3 dBFS fIN = 30.5 MHz 25°C 74.4 74.3 74.1 dBFS Full 73.6 73.6 dBFS fIN = 70 MHz 25°C 73.7 73.7 73.6 dBFS Full 72.5 dBFS fIN = 200 MHz 25°C 71.5 71.5 71.5 dBFS SIGNAL-TO-NOISE-AND-DISTORTION (SINAD) fIN = 9.7 MHz 25°C 74.6 74.4 74.1 dBFS fIN = 30.5 MHz 25°C 74.3 74.2 74.0 dBFS Full 73.4 73.4 dBFS fIN = 70 MHz 25°C 73.6 73.6 73.5 dBFS Full 72.4 dBFS fIN = 200 MHz 25°C 70.0 70.0 70.0 dBFS EFFECTIVE NUMBER OF BITS (ENOB) fIN = 9.7 MHz 25°C 12.0 12.0 12.0 Bits fIN = 30.5 MHz 25°C 12.0 12.0 12.0 Bits fIN = 70 MHz 25°C 11.9 11.9 11.9 Bits fIN = 200 MHz 25°C 11.3 11.3 11.3 Bits WORST SECOND OR THIRD HARMONIC fIN = 9.7 MHz 25°C −95 −95 −93 dBc fIN = 30.5 MHz 25°C −95 −95 −93 dBc Full −81 −81 dBc fIN = 70 MHz 25°C −94 −94 −92 dBc Full −81 dBc fIN = 200 MHz 25°C −80 −80 −80 dBc SPURIOUS-FREE DYNAMIC RANGE (SFDR) fIN = 9.7 MHz 25°C 95 95 93 dBc fIN = 30.5 MHz 25°C 94 94 93 dBc Full 81 81 dBc fIN = 70 MHz 25°C 93 93 92 dBc Full 81 dBc fIN = 200 MHz 25°C 80 80 80 dBc WORST OTHER (HARMONIC OR SPUR) fIN = 9.7 MHz 25°C −98 −98 −97 dBc fIN = 30.5 MHz 25°C −98 −98 −97 dBc Full −90 −90 dBc fIN = 70 MHz 25°C −98 −98 −96 dBc Full −89 dBc fIN = 200 MHz 25°C −95 −95 −95 dBc TWO-TONE SFDR fIN = 30.5 MHz (−7 dBFS), 32.5 MHz (−7 dBFS) 25°C 90 90 90 dBc CROSSTALK2 Full −110 −110 −110 dBc ANALOG INPUT BANDWIDTH 25°C 700 700 700 MHz 1 See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions. 2 Crosstalk is measured at 100 MHz with −1.0 dBFS on one channel and no input on the alternate channel. |
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