AD9656EBZ datasheet(7/47 Pages) AD

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AD9656

Data Sheet

Rev. A | Page 6 of 46

Parameter1

Temperature

Min

Typ

Max

Unit

TWO-TONE INTERMODULATION DISTORTION (IMD)—INPUT AMPLITUDE = −7.0 dBFS

fIN1 = 70.5 MHz, fIN2 = 72.5 MHz

25°C

−84

dBc

CROSSTALK2

25°C

−93

CROSSTALK (OVERRANGE CONDITION)3

25°C

−89

ANALOG INPUT BANDWIDTH, FULL POWER

25°C

650

MHz

1 See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for definitions and for details on how these tests were completed.

2 Crosstalk is measured at 70 MHz with −1.0 dBFS analog input on one channel and no input on the adjacent channel.

3 Overrange condition is defined as the input being 3 dB above full scale.

AC SPECIFICATIONS, VREF = 1.0 V

AVDD = 1.8 V, DRVDD = 1.8 V, 2.0 V p-p full-scale differential input, 1.0 V reference, AIN = −1.0 dBFS, 125 MSPS, unless otherwise noted.

Table 4.

Parameter1

Temperature

Min

Typ

Max

Unit

SIGNAL-TO-NOISE RATIO (SNR)

fIN = 9.7 MHz

25°C

dBFS

fIN = 16 MHz

25°C

77.9

dBFS

fIN = 64 MHz

25°C

76.8

dBFS

fIN = 128 MHz

25°C

74.3

dBFS

fIN = 201 MHz

25°C

72.1

dBFS

fIN = 301 MHz

25°C

69.3

dBFS

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

fIN = 9.7 MHz

25°C

dBFS

fIN = 16 MHz

25°C

77.7

dBFS

fIN = 64 MHz

25°C

76.1

dBFS

fIN = 128 MHz

25°C

dBFS

fIN = 201 MHz

25°C

71.1

dBFS

fIN = 301 MHz

25°C

68.6

dBFS

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 9.7 MHz

25°C

12.7

Bits

fIN = 16 MHz

25°C

12.6

Bits

fIN = 64 MHz

25°C

12.3

Bits

fIN = 128 MHz

25°C

12.0

Bits

fIN = 201 MHz

25°C

11.5

Bits

fIN = 301 MHz

25°C

11.1

Bits

SPURIOUS-FREE DYNAMIC RANGE (SFDR)

fIN = 9.7 MHz

25°C

dBc

fIN = 16 MHz

25°C

dBc

fIN = 64 MHz

25°C

dBc

fIN = 128 MHz

25°C

dBc

fIN = 201 MHz

25°C

dBc

fIN = 301 MHz

25°C

dBc

WORST HARMONIC (SECOND OR THIRD)

fIN = 9.7 MHz

25°C

−99

dBc

fIN = 16 MHz

25°C

−92

dBc

fIN = 64 MHz

25°C

−89

dBc

fIN = 128 MHz

25°C

−87

dBc

fIN = 201 MHz

25°C

−78

dBc

fIN = 301 MHz

25°C

−78

dBc

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