AD6677EBZ datasheet(5/48 Pages) AD

5 / 48 page

Data Sheet

AD6677

Rev. C | Page 5 of 48

ADC AC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, DVDD = 1.8 V, maximum sample, VIN = −1.0 dBFS differential input, 1.75 V p-p full-scale input range,

duty cycle stabilizer enabled, default SPI, unless otherwise noted.

Table 2.

Parameter1

Temperature

Min

Typ

Max

Unit

SIGNAL-TO-NOISE-RATIO (SNR)

NSR Disabled

fIN = 30 MHz

25°C

66.6

dBFS

fIN = 90 MHz

25°C

66.4

dBFS

fIN = 140 MHz

25°C

66.2

dBFS

fIN = 185 MHz

25°C

66.1

dBFS

Full

65.8

dBFS

fIN = 220 MHz

25°C

65.9

dBFS

NSR Enabled 22% Bandwidth Mode

fIN = 30 MHz

25°C

76.3

dBFS

fIN = 90 MHz

25°C

75.7

dBFS

fIN = 140 MHz

25°C

74.8

dBFS

fIN = 185 MHz

25°C

74.2

dBFS

Full

73.6

dBFS

fIN = 220 MHz

25°C

73.6

dBFS

NSR Enabled 33% Bandwidth Mode

fIN = 30 MHz

25°C

73.5

dBFS

fIN = 90 MHz

25°C

72.1

dBFS

fIN = 140 MHz

25°C

72.6

dBFS

fIN = 185 MHz

25°C

71.9

dBFS

Full

70.6

dBFS

fIN = 220 MHz

25°C

71.4

dBFS

SIGNAL-TO-NOISE AND DISTORTION (SINAD)

fIN = 30 MHz

25°C

65.6

dBFS

fIN = 90 MHz

25°C

65.3

dBFS

fIN = 140 MHz

25°C

65.2

dBFS

fIN = 185 MHz

25°C

65.1

dBFS

Full

64.7

dBFS

fIN = 220 MHz

25°C

64.8

dBFS

EFFECTIVE NUMBER OF BITS (ENOB)

fIN = 30 MHz

25°C

10.6

Bits

fIN = 90 MHz

25°C

10.6

Bits

fIN = 140 MHz

25°C

10.5

Bits

fIN = 185 MHz

25°C

10.5

Bits

fIN = 220 MHz

25°C

10.5

Bits

WORST SECOND OR THIRD HARMONIC

fIN = 30 MHz

25°C

−87

dBc

fIN = 90 MHz

25°C

−82

dBc

fIN = 140 MHz

25°C

−86

dBc

fIN = 185 MHz

25°C

−87

dBc

Full

−80

dBc

fIN = 220 MHz

25°C

−84

dBc

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