AD9691 datasheet(4/72 Pages) AD

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AD9691

Data Sheet

Rev. 0 | Page 4 of 72

AC SPECIFICATIONS

AVDD1 = 1.25 V, AVDD2 = 2.50 V, AVDD3 = 3.3 V, AVDD1_SR = 1.25 V, DVDD = 1.25 V, DRVDD = 1.25 V, SPIVDD = 1.8 V, specified

maximum sampling rate (1250 MSPS), 1.58 V p-p full-scale differential input, AIN = −1.0 dBFS, clock divider = 2, default SPI settings,

TA = 25°C, unless otherwise noted.

Table 2.

Parameter1

Temperature

Min

Typ

Max

Unit

ANALOG INPUT FULL SCALE

Full

1.58

V p-p

NOISE DENSITY2

Full

−152.6

dBFS/Hz

SIGNAL-TO-NOISE RATIO (SNR)3

fIN = 10 MHz

25°C

64.6

dBFS

fIN = 170 MHz

Full

60.8

64.2

dBFS

fIN = 340 MHz

25°C

63.4

dBFS

fIN = 450 MHz

25°C

62.9

dBFS

fIN = 750 MHz

25°C

61.7

dBFS

fIN = 985 MHz

25°C

59.7

dBFS

fIN = 1205 MHz

25°C

58.3

dBFS

fIN = 1600 MHz

25°C

56.5

dBFS

fIN = 1950 MHz

25°C

55.1

dBFS

SNR AND DISTORTION RATIO (SINAD)3

fIN = 10 MHz

25°C

64.5

dBFS

fIN = 170 MHz

Full

60.5

64.0

dBFS

fIN = 340 MHz

25°C

63.0

dBFS

fIN = 450 MHz

25°C

62.3

dBFS

fIN = 750 MHz

25°C

61.3

dBFS

fIN = 985 MHz

25°C

59.4

dBFS

fIN = 1205 MHz

25°C

57.5

dBFS

fIN = 1600 MHz

25°C

55.8

dBFS

fIN = 1950 MHz

25°C

54.7

dBFS

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 10 MHz

25°C

10.4

Bits

fIN = 170 MHz

Full

9.7

10.3

Bits

fIN = 340 MHz

25°C

10.2

Bits

fIN = 450 MHz

25°C

10.1

Bits

fIN = 750 MHz

25°C

9.9

Bits

fIN = 985 MHz

25°C

9.6

Bits

fIN = 1205 MHz

25°C

9.2

Bits

fIN = 1600 MHz

25°C

9.0

Bits

fIN = 1950 MHz

25°C

8.8

Bits

SPURIOUS-FREE DYNAMIC RANGE (SFDR)3

fIN = 10 MHz

25°C

dBFS

fIN = 170 MHz

Full

dBFS

fIN = 340 MHz

25°C

dBFS

fIN = 450 MHz

25°C

dBFS

fIN = 750 MHz

25°C

dBFS

fIN = 985 MHz

25°C

dBFS

fIN = 1205 MHz

25°C

dBFS

fIN = 1600 MHz

25°C

dBFS

fIN = 1950 MHz

25°C

dBFS

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