AD9249BBCZRL7-65 datasheet(5/36 Pages) AD

Part #	AD9249BBCZRL7-65

Description	16 Channel, 14-Bit, 65 MSPS, Serial LVDS, 1.8 V ADC

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Data Sheet

AD9249

Rev. 0 | Page 5 of 36

AC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, unless otherwise noted.

Table 2.

Parameter1

Temp

Min

Typ

Max

Unit

SIGNAL-TO-NOISE RATIO (SNR)

fIN = 9.7 MHz

25°C

75.4

dBFS

fIN = 19.7 MHz

Full

74.4

75.3

dBFS

fIN = 48 MHz

25°C

74.7

dBFS

fIN = 69.5 MHz

25°C

74.4

dBFS

fIN = 118 MHz

25°C

72.8

dBFS

fIN = 139.5 MHz

25°C

72.2

dBFS

SIGNAL-TO-NOISE AND DISTORTION RATIO (SINAD)

fIN = 9.7 MHz

25°C

75.4

dBFS

fIN = 19.7 MHz

Full

74.0

75.3

dBFS

fIN = 48 MHz

25°C

74.7

dBFS

fIN = 69.5 MHz

25°C

74.4

dBFS

fIN = 118 MHz

25°C

72.6

dBFS

fIN = 139.5 MHz

25°C

71.8

dBFS

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 9.7 MHz

25°C

12.2

Bits

fIN = 19.7 MHz

Full

12.0

12.2

Bits

fIN = 48 MHz

25°C

12.1

Bits

fIN = 69.5 MHz

25°C

12.1

Bits

fIN = 118 MHz

25°C

11.8

Bits

fIN = 139.5 MHz

25°C

11.6

Bits

SPURIOUS-FREE DYNAMIC RANGE (SFDR)

fIN = 9.7 MHz

25°C

95

dBc

fIN = 19.7 MHz

Full

85

93

dBc

fIN = 48 MHz

25°C

94

dBc

fIN = 69.5 MHz

25°C

92

dBc

fIN = 118 MHz

25°C

83

dBc

fIN = 139.5 MHz

25°C

82

dBc

WORST HARMONIC (SECOND OR THIRD)

fIN = 9.7 MHz

25°C

−98

dBc

fIN = 19.7 MHz

Full

−93

−85

dBc

fIN = 48 MHz

25°C

−94

dBc

fIN = 69.5 MHz

25°C

−92

dBc

fIN = 118 MHz

25°C

−83

dBc

fIN = 139.5 MHz

25°C

−82

dBc

WORST OTHER (EXCLUDING SECOND OR THIRD)

fIN = 9.7 MHz

25°C

−95

dBc

fIN = 19.7 MHz

Full

−96

−86

dBc

fIN = 48 MHz

25°C

−94

dBc

fIN = 69.5 MHz

25°C

−92

dBc

fIN = 118 MHz

25°C

−90

dBc

fIN = 139.5 MHz

25°C

−90

dBc

TWO-TONE INTERMODULATION DISTORTION (IMD)—AIN1 AND AIN2 = −7.0 dBFS

fIN1 = 30.1 MHz, fIN2 = 32.1 MHz

25°C

92

dBc

CROSSTALK, WORST ADJACENT CHANNEL2

25°C

−90

dB

Crosstalk, Worst Adjacent Channel Overrange Condition3

25°C

−85

dB

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 10 MHz, with −1.0 dBFS analog input on one channel and no input on the adjacent channel.

3

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

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