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AD9257 Datasheet(PDF) 4 Page - Analog Devices |
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AD9257 Datasheet(HTML) 4 Page - Analog Devices |
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4 / 40 page  AD9257 Data Sheet Rev. 0 | Page 4 of 40 AC SPECIFICATIONS AVDD = 1.8 V, DRVDD = 1.8 V, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, unless otherwise noted. Table 2. Parameter1 Temp AD9257-40 AD9257-65 Unit Min Typ Max Min Typ Max SIGNAL-TO-NOISE RATIO (SNR) fIN = 9.7 MHz 25°C 75.9 75.7 dBFS fIN = 19.7 MHz Full 73.5 75.8 73.3 75.6 dBFS fIN = 30.5 MHz 25°C 75.7 75.5 dBFS fIN = 63.5 MHz 25°C 74.9 dBFS fIN = 69.5 MHz 25°C 74.7 dBFS fIN = 123.4 MHz 25°C 73.2 dBFS SIGNAL-TO-NOISE AND DISTORTION RATIO (SINAD) fIN = 9.7 MHz 25°C 74.8 74.7 dBFS fIN = 19.7 MHz Full 72.5 74.7 72.0 74.6 dBFS fIN = 30.5 MHz 25°C 74.6 74.4 dBFS fIN = 63.5 MHz 25°C 73.8 dBFS fIN = 69.5 MHz 25°C 73.5 dBFS fIN = 123.4 MHz 25°C 71.8 dBFS EFFECTIVE NUMBER OF BITS (ENOB) fIN = 9.7 MHz 25°C 12.1 12.1 Bits fIN = 19.7 MHz Full 11.7 12.1 11.7 12.1 Bits fIN = 30.5 MHz 25°C 12.1 12.1 Bits fIN = 63.5 MHz 25°C 12.0 Bits fIN = 69.5 MHz 25°C 11.9 Bits fIN = 123.4 MHz 25°C 11.6 Bits SPURIOUS-FREE DYNAMIC RANGE (SFDR) fIN = 9.7 MHz 25°C 97 96 dBc fIN = 19.7 MHz Full 80 95 79 96 dBc fIN = 30.5 MHz 25°C 97 91 dBc fIN = 63.5 MHz 25°C 95 dBc fIN = 69.5 MHz 25°C 87 dBc fIN = 123.4 MHz 25°C 83 dBc WORST HARMONIC (SECOND OR THIRD) fIN = 9.7 MHz 25°C −99 −99 dBc fIN = 19.7 MHz Full −96 −80 −98 −79 dBc fIN = 30.5 MHz 25°C −100 −91 dBc fIN = 63.5 MHz 25°C −98 dBc fIN = 69.5 MHz 25°C −87 dBc fIN = 123.4 MHz 25°C −83 dBc WORST OTHER (EXCLUDING SECOND OR THIRD) fIN = 9.7 MHz 25°C −99 −98 dBFS fIN = 19.7 MHz Full −99 −86 −98 −88 dBFS fIN = 30.5 MHz 25°C −99 −98 dBFS fIN = 63.5 MHz 25°C −98 dBFS fIN = 69.5 MHz 25°C −98 dBFS fIN = 123.4 MHz 25°C −94 dBFS TWO-TONE INTERMODULATION DISTORTION (IMD)—AIN1 AND AIN2 = −7.0 dBFS fIN1 = 8 MHz, fIN2 = 10 MHz 25°C 95 dBc fIN1 = 30 MHz, fIN2 = 32 MHz 25°C 92 dBc |
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