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AD9231 Datasheet(PDF) 5 Page - Analog Devices |
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AD9231 Datasheet(HTML) 5 Page - Analog Devices |
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5 / 36 page  AD9231 Rev. 0 | 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 AD9231-20/AD9231-40 AD9231-65 AD9231-80 Unit Min Typ Max Min Typ Max Min Typ Max SIGNAL-TO-NOISE RATIO (SNR) fIN = 9.7 MHz 25°C 70.7/71.5 71.4 71.3 dBFS fIN = 30.5 MHz 25°C 70.6/71.3 71.3 71.2 dBFS Full 70.1/70.7 70.5 dBFS fIN = 70 MHz 25°C 70.5/71.0 71.0 70.9 dBFS Full 70.1 dBFS fIN = 200 MHz 25°C 69.0 69.0 69.0 dBFS SIGNAL-TO-NOISE-AND-DISTORTION (SINAD) fIN = 9.7 MHz 25°C 70.6/71.4 71.3 71.2 dBFS fIN = 30.5 MHz 25°C 70.6/71.2 71.2 71.1 dBFS Full 70.1/70.6 70.0 dBFS fIN = 70 MHz 25°C 70.4/70.9 70.9 70.8 dBFS Full 70.0 dBFS fIN = 200 MHz 25°C 68 68 68 dBFS EFFECTIVE NUMBER OF BITS (ENOB) fIN = 9.7 MHz 25°C 11.4/11.6 11.6 11.5 Bits fIN = 30.5 MHz 25°C 11.4/11.5 11.5 11.5 Bits fIN = 70 MHz 25°C 11.4/11.5 11.5 11.5 Bits fIN = 200 MHz 25°C 11.0 11.0 11.0 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 −92/−94 −94 −92 dBc Full −81 dBc fIN = 200 MHz 25°C −83 −83 −83 dBc SPURIOUS-FREE DYNAMIC RANGE (SFDR) 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 92/94 94 92 dBc Full 81 dBc fIN = 200 MHz 25°C 83 83 83 dBc WORST OTHER (HARMONIC OR SPUR) fIN = 9.7 MHz 25°C −98 −98 −97 dBc fIN = 30.5 MHz 25°C −97/−98 −98 −97 dBc Full −90 −90 dBc fIN = 70 MHz 25°C −97/−98 −98 −95 dBc Full −89 dBc fIN = 200 MHz 25°C −92 −92 −92 dBc TWO-TONE SFDR fIN = 28.3 MHz (−7 dBFS), 30.6 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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