AD9480(Rev0) 查看數據表（PDF） - Analog Devices

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AD9480
(Rev.:Rev0)

8-Bit, 250 MSPS 3.3 V A/D Converter

Analog Devices 

AD9480

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

V

47

dB

fIN = 70.1 MHz

fIN = 170 MHz

25°C

I

45

47

dB

25°C

I

45

46

dB

SIGNAL TO NOISE AND DISTORTION (SINAD)

fIN = 19.7 MHz

25°C

V

46.5

dB

fIN = 70.1 MHz

fIN = 170 MHz

25°C

I

44.8

46.5

dB

25°C

I

44.8

46.5

dB

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 19.7 MHz

25°C

V

7.5

Bits

fIN = 70.1 MHz

fIN = 170 MHz

25°C

I

7.2

7.5

Bits

25°C

I

7.2

7.5

Bits

WORST SECOND OR THIRD HARMONIC DISTORTION

fIN = 19.7 MHz

25°C

V

−65

dBc

fIN = 70.1 MHz

fIN = 170 MHz

25°C

I

25°C

I

−65

−60

dBc

−65

−60

dBc

WORST OTHER

fIN = 19.7 MHz

25°C

V

−70

dBc

fIN = 70.1 MHz

fIN = 170 MHz

25°C

I

25°C

I

−70

−63

dBc

−70

−63

dBc

SPURIOUS-FREE DYNAMIC RANGE (SFDR)1

fIN = 19.7 MHz

25°C

V

−65

dBc

fIN = 70.1 MHz

fIN = 170 MHz

25°C

I

25°C

I

−65

−60

dBc

−65

−60

dBc

TWO-TONE INTERMODULATION DISTORTION (IMD)

25°C

V

−68

dBc

fIN1 = 69.3 MHz, fIN 2 = 70.3 MHz

1 Nyquist bin energy ignored.

Rev. 0 | Page 5 of 28

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