AD9239 datasheet(5/41 Pages) AD

Il numero della parte	AD9239

Spiegazioni elettronici	Serial Output 1.8 V ADC

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Produttore elettronici	AD [Analog Devices]

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AD9239

Data Sheet

AC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, TMIN = −40°C, TMAX = +85°C, 1.25 V p-p differential input, AIN = −1.0 dBFS, DCS enabled, unless

otherwise noted.

Table 2.

AD9239BCPZ-170

AD9239BCPZ-210

AD9239BCPZ-250

Parameter1

Temp

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Unit

SIGNAL-TO-NOISE RATIO (SNR)

fIN = 9.7 MHz

25°C

64.5

dB

fIN = 84.3 MHz

Full

63.5

64.5

63.2

64.2

63.1

64.1

dB

fIN = 170.3 MHz

25°C

63.9

dB

fIN = 240.3 MHz

25°C

64.1

63.2

63.3

dB

SIGNAL-TO-NOISE RATIO (SINAD)

fIN = 9.7 MHz

25°C

64.2

dB

fIN = 84.3 MHz

Full

63.3

64.4

62.8

63.9

62.8

63.8

dB

fIN = 170.3 MHz

25°C

63.1

dB

fIN = 240.3 MHz

25°C

63.9

63

63.1

dB

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 9.7 MHz

25°C

10.4

Bits

fIN = 84.3 MHz

Full

10.2

10.4

10.1

10.3

10.1

4

10.3

Bits

fIN = 170.3 MHz

25°C

10.2

Bits

fIN = 240.3 MHz

25°C

10.3

10.2

Bits

WORST HARMONIC (SECOND)

fIN = 9.7 MHz

25°C

90

dBc

fIN = 84.3 MHz

Full

87.5

78.6

86

77

86

74.5

dBc

fIN = 170.3 MHz

25°C

76

dBc

fIN = 240.3 MHz

25°C

82

80

82

dBc

WORST HARMONIC (THIRD)

fIN = 9.7 MHz

25°C

78

dBc

fIN = 84.3 MHz

Full

79

74

76

72.6

76

72.5

dBc

fIN = 170.3 MHz

25°C

74

dBc

fIN = 240.3 MHz

25°C

84

77

80

dBc

WORST OTHER (EXCLUDING SECOND OR THIRD)

fIN = 9.7 MHz

25°C

85

dBc

fIN = 84.3 MHz

Full

96

86

90

83.7

94

83.6

dBc

fIN = 170.3 MHz

25°C

85

dBc

fIN = 240.3 MHz

25°C

88

85

dBc

TWO-TONE INTERMOD DISTORTION (IMD)

fIN1 = 140.2 MHz, fIN2 = 141.3 MHz,

AIN1 and AIN2 = −7.0 dBFS

25°C

78

77

76

dBc

fIN1 = 170.2 MHz, fIN2 = 171.3 MHz,

AIN1 and AIN2 = −7.0 dBFS2

25°C

77

76

dBc

1

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

2

Tested at 210 MSPS and 250 MSPS only.

Rev. E | Page 4 of 40

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