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AD9640 Datasheet(PDF) 9 Page - Analog Devices |
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AD9640 Datasheet(HTML) 9 Page - Analog Devices |
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9 / 54 page  AD9640 Rev. B | Page 7 of 52 ADC AC SPECIFICATIONS—AD9640ABCPZ-80, AD9640BCPZ-80, AD9640ABCPZ-105, AND AD9640BCPZ-105 AVDD = 1.8 V, DVDD = 1.8 V, DRVDD = 3.3 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, DCS enabled, fast detect outputs disabled, and signal monitor disabled, unless otherwise noted. Table 3. Parameter1 Temperature AD9640ABCPZ-80/ AD9640BCPZ-80 AD9640ABCPZ-105/ AD9640BCPZ-105 Unit Min Typ Max Min Typ Max SIGNAL-TO-NOISE RATIO (SNR) fIN = 2.3 MHz 25°C 72.5 72.3 dB fIN = 70 MHz 25°C 72.1 71.9 dB Full 70.5 70.2 dB fIN = 140 MHz 25°C 71.6 71.3 dB fIN = 200 MHz 25°C 71.0 70.3 dB SIGNAL-TO-NOISE AND DISTORTION (SINAD) fIN = 2.3 MHz 25°C 72.2 72.0 dB fIN = 70 MHz 25°C 71.6 71.6 dB Full 69 69.5 dB fIN = 140 MHz 25°C 71.1 70.9 dB fIN = 200 MHz 25°C 70.4 70.0 dB EFFECTIVE NUMBER OF BITS (ENOB) fIN = 2.3 MHz 25°C 11.9 11.8 Bits fIN = 70 MHz 25°C 11.8 11.8 Bits fIN = 140 MHz 25°C 11.7 11.7 Bits fIN = 200 MHz 25°C 11.6 11.5 Bits WORST SECOND OR THIRD HARMONIC fIN = 2.3 MHz 25°C −87 −87 dBc fIN = 70 MHz 25°C −85 −85 dBc Full −75 −74 dBc fIN = 140 MHz 25°C −84 −84 dBc fIN = 200 MHz 25°C −83 −83 dBc SPURIOUS-FREE DYNAMIC RANGE (SFDR) fIN = 2.3 MHz 25°C 87 87 dBc fIN = 70 MHz 25°C 85 85 dBc Full 75 74 dBc fIN = 140 MHz 25°C 84 84 dBc fIN = 200 MHz 25°C 83 83 dBc WORST OTHER HARMONIC OR SPUR fIN = 2.3 MHz 25°C −93 −93 dBc fIN = 70 MHz 25°C −89 −89 dBc Full −82 −81 dBc fIN = 140 MHz 25°C −89 −89 dBc fIN = 200 MHz 25°C −89 −89 dBc TWO TONE SFDR fIN = 29.1 MHz, 32.1 MHz (−7 dBFS) 25°C 85 85 dBc fIN = 169.1 MHz, 172.1 MHz (−7 dBFS) 25°C 82 82 dBc CROSSTALK2 Full −95 −95 dB ANALOG INPUT BANDWIDTH 25°C 650 650 MHz 1 See Application Note AN-835, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions. 2 Crosstalk is measured at 100 MHz with −1 dBFS on one channel and no input on the alternate channel. |
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