AD9627 datasheet(8/77 Pages) AD

Numer części	AD9627

Szczegółowy opis	1.8 V Dual Analog-to-Digital Converter

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AD9627

Rev. B | Page 7 of 76

ADC AC SPECIFICATIONS—AD9627-80/AD9627-105

AVDD = 1.8 V, DVDD = 1.8 V, DRVDD = 3.3 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, DCS

enabled, fast detect output pins disabled, and signal monitor disabled, unless otherwise noted.

Table 3.

Parameter1

Temperature

AD9627-80

AD9627-105

Unit

Min

Typ

Max

Min

Typ

Max

SIGNAL-TO-NOISE RATIO (SNR)

fIN = 2.3 MHz

25°C

69.7

69.6

dB

fIN = 70 MHz

25°C

69.5

69.4

dB

Full

68.1

68.6

dB

fIN = 140 MHz

25°C

69.2

69.1

dB

fIN = 220 MHz

25°C

68.5

68.4

dB

SIGNAL-TO-NOISE AND DISTORTION (SINAD)

fIN = 2.3 MHz

25°C

69.6

69.5

dB

fIN = 70 MHz

25°C

69.4

69.3

dB

Full

67.4

68.0

dB

fIN = 140 MHz

25°C

69.0

dB

fIN = 220 MHz

25°C

68.3

68.1

dB

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 2.3 MHz

25°C

11.5

11.4

Bits

fIN = 70 MHz

25°C

11.4

Bits

fIN = 140 MHz

25°C

11.4

Bits

fIN = 220 MHz

25°C

11.3

11.2

Bits

WORST SECOND OR THIRD HARMONIC

fIN = 2.3 MHz

25°C

−87

dBc

fIN = 70 MHz

25°C

−85

dBc

Full

−74

dBc

fIN = 140 MHz

25°C

−84

dBc

fIN = 220 MHz

25°C

−83

dBc

SPURIOUS-FREE DYNAMIC RANGE (SFDR)

fIN = 2.3 MHz

25°C

87

dBc

fIN = 70 MHz

25°C

85

dBc

Full

74

dBc

fIN = 140 MHz

25°C

84

dBc

fIN = 220 MHz

25°C

83

dBc

WORST OTHER HARMONIC OR SPUR

fIN = 2.3 MHz

25°C

−92

dBc

fIN = 70 MHz

25°C

−89

−88

dBc

Full

−82

dBc

fIN = 140 MHz

25°C

−89

−87

dBc

fIN = 220 MHz

25°C

−89

−86

dBc

TWO-TONE SFDR

fIN = 29.1 MHz, 32.1 MHz (−7 dBFS )

25°C

85

dBc

fIN = 169.1 MHz, 172.1 MHz (−7 dBFS )

25°C

82

dBc

CROSSTALK2

Full

−95

dB

ANALOG INPUT BANDWIDTH

25°C

650

MHz

1 See Application Note AN-835, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.

2 Crosstalk is measured at 100 MHz with −1 dBFS on one channel and with no input on the alternate channel.

Podobny numer części - AD9627

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	AD9627	765Kb / 40P	12-Bit, 80/105/125/150 MSPS, 1.8 V Dual Analog-to-Digital Converter Rev. PrA
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