AD9284 datasheet(4/24 Pages) AD

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AD9284

Rev. 0 | Page 4 of 24

AC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, 1.0 V internal ADC reference, maximum sample rate, VIN = −1.0 dBFS differential input, unless

otherwise noted.

Table 2.

Parameter

Temperature

Min

Typ

Max

Unit

SIGNAL-TO-NOISE RATIO (SNR)

fIN = 10.3 MHz

25°C

49.3

dBFS

fIN = 70 MHz

25°C

49.3

dBFS

fIN = 96.6 MHz

Full

48.7

49.3

dBFS

fIN = 220 MHz

25°C

49.3

dBFS

SIGNAL-TO-NOISE-AND-DISTORTION (SINAD)

fIN = 10.3 MHz

25°C

49.2

dBFS

fIN = 70 MHz

25°C

49.2

dBFS

fIN = 96.6 MHz

Full

48.5

49.2

dBFS

fIN = 220 MHz

25°C

49.2

dBFS

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 10.3 MHz

25°C

7.9

Bits

fIN = 70 MHz

25°C

7.9

Bits

fIN = 96.6 MHz

Full

7.8

7.9

Bits

fIN = 220 MHz

25°C

7.9

Bits

WORST SECOND OR THIRD HARMONIC

fIN = 10.3 MHz

25°C

−70

dBc

fIN = 70 MHz

25°C

−70

dBc

fIN = 96.6 MHz

Full

−70

−61

dBc

fIN = 220 MHz

25°C

−65

dBc

SPURIOUS-FREE DYNAMIC RANGE (SFDR)

fIN = 10.3 MHz

25°C

dBc

fIN = 70 MHz

25°C

dBc

fIN = 96.6 MHz

Full

dBc

fIN = 220 MHz

25°C

dBc

WORST OTHER HARMONIC OR SPUR

fIN = 10.3 MHz

25°C

−71

dBc

fIN = 70 MHz

25°C

−71

dBc

fIN = 96.6 MHz

Full

−70

−64

dBc

fIN = 220 MHz

25°C

−67

dBc

CROSSTALK

Full

−80

dBc

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