AD9480 datasheet(6/29 Pages) AD

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AD9480

Rev. A | Page 5 of 28

AC SPECIFICATIONS

AVDD = 3.3 V, DRVDD = 3.3 V, TMIN = –40°C, TMAX = +85°C, AIN = –1 dBFS, full scale = 1.0 V, internal reference, differential analog and

clock inputs, unless otherwise noted.

Table 3.

AD9480-250

Parameter

Temp

Test Level

Min

Typ

Max

Unit

SIGNAL-TO-NOISE RATIO (SNR)

fIN = 19.7 MHz

25°C

fIN = 70.1 MHz

25°C

fIN = 170 MHz

25°C

SIGNAL-TO-NOISE AND DISTORTION (SINAD)

fIN = 19.7 MHz

25°C

46.5

fIN = 70.1 MHz

25°C

44.8

46.5

fIN = 170 MHz

25°C

44.8

46.5

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 19.7 MHz

25°C

7.6

Bits

fIN = 70.1 MHz

25°C

7.3

7.6

Bits

fIN = 170 MHz

25°C

7.3

7.6

Bits

WORST SECOND OR THIRD HARMONIC DISTORTION

fIN = 19.7 MHz

25°C

−65

dBc

fIN = 70.1 MHz

25°C

−65

−60

dBc

fIN = 170 MHz

25°C

−65

−60

dBc

WORST OTHER

fIN = 19.7 MHz

25°C

−70

dBc

fIN = 70.1 MHz

25°C

−70

−63

dBc

fIN = 170 MHz

25°C

−70

−63

dBc

SPURIOUS-FREE DYNAMIC RANGE (SFDR)1

fIN = 19.7 MHz

25°C

−65

dBc

fIN = 70.1 MHz

25°C

−65

−60

dBc

fIN = 170 MHz

25°C

−65

−60

dBc

TWO-TONE INTERMODULATION DISTORTION (IMD)

fIN1 = 69.3 MHz, fIN2 = 70.3 MHz

25°C

−68

dBc

1 Nyquist bin energy ignored.

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