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AD9690 Datasheet(PDF) 7 Page - Analog Devices |
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AD9690 Datasheet(HTML) 7 Page - Analog Devices |
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7 / 79 page  AD9690 Data Sheet Rev. B | Page 6 of 78 AC SPECIFICATIONS AVDD1 = 1.25 V, AVDD2 = 2.5 V, AVDD3 = 3.3 V, AVDD1_SR = 1.25 V, DVDD = 1.25 V, DRVDD = 1.25 V, SPIVDD = 1.8 V, specified maximum sampling rate for each speed grade, AIN = −1.0 dBFS, clock divider = 2, default SPI settings, TA = 25°C, unless otherwise noted. Table 2. AD9690-500 AD9690-1000 Parameter1 Temperature Min Typ Max Min Typ Max Unit ANALOG INPUT FULL SCALE Full 2.06 1.7 V p-p NOISE DENSITY2 Full −153 −154 dBFS/Hz SIGNAL-TO-NOISE RATIO (SNR)3 fIN = 10 MHz 25°C 69.2 67.2 dBFS fIN = 170 MHz Full 67.8 69.0 65.1 66.6 dBFS fIN = 340 MHz 25°C 68.6 65.3 dBFS fIN = 450 MHz 25°C 68.0 64.0 dBFS fIN = 765 MHz 25°C 64.4 61.5 dBFS fIN = 985 MHz 25°C 63.8 60.5 dBFS fIN = 1950 MHz 25°C 60.5 57.0 dBFS SNR AND DISTORTION RATIO (SINAD)3 fIN = 10 MHz 25°C 69.0 67.1 dBFS fIN = 170 MHz Full 66.6 68.8 65.0 66.4 dBFS fIN = 340 MHz 25°C 68.4 65.2 dBFS fIN = 450 MHz 25°C 67.9 63.8 dBFS fIN = 765 MHz 25°C 64.2 62.1 dBFS fIN = 985 MHz 25°C 63.6 61.1 dBFS fIN = 1950 MHz 25°C 60.3 56.0 dBFS EFFECTIVE NUMBER OF BITS (ENOB) fIN = 10 MHz 25°C 11.2 10.8 Bits fIN = 170 MHz Full 10.8 11.1 10.5 10.7 Bits fIN = 340 MHz 25°C 11.1 10.5 Bits fIN = 450 MHz 25°C 11.0 10.3 Bits fIN = 765 MHz 25°C 10.4 10.0 Bits fIN = 985 MHz 25°C 10.3 9.8 Bits fIN = 1950 MHz 25°C 9.7 9.0 Bits SPURIOUS-FREE DYNAMIC RANGE (SFDR)3 fIN = 10 MHz 25°C 83 88 dBFS fIN = 170 MHz Full 80 88 75 85 dBFS fIN = 340 MHz 25°C 83 85 dBFS fIN = 450 MHz 25°C 81 82 dBFS fIN = 765 MHz 25°C 80 82 dBFS fIN = 985 MHz 25°C 75 80 dBFS fIN = 1950 MHz 25°C 70 68 dBFS WORST HARMONIC, SECOND OR THIRD3 fIN = 10 MHz 25°C −83 −88 dBFS fIN = 170 MHz Full −88 −75 −85 −75 dBFS fIN = 340 MHz 25°C −83 −85 dBFS fIN = 450 MHz 25°C −81 −82 dBFS fIN = 765 MHz 25°C −80 −82 dBFS fIN = 985 MHz 25°C −75 −80 dBFS fIN = 1950 MHz 25°C −70 −68 dBFS |
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