AD6652PCB datasheet(6/76 Pages) AD

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AD6652

Rev. 0 | Page 6 of 76

ADC AC SPECIFICATIONS

AVDD = 3.0 V, VDD = 2.5 V, VDDIO = 3.3 V, 61.44 MSPS, −1.0 dBFS differential input, 1.0 V internal reference.

Table 4.

Parameter (Conditions)

Temp

Test Level

Min

Typ

Max

Unit

SIGNAL-TO-NOISE RATIO1 (WITHOUT HARMONICS)

Analog Input Frequency

10.4 MHz

25°C

Full

25.0 MHz

25°C

Full

68.0 MHz

25°C

89.5

Full

88.5

101 MHz

25°C

88.0

150 MHz

25°C

87.5

200 MHz

25°C

WORST HARMONIC (2nd or 3rd)1

Analog Input Frequency

10.4 MHz

25°C

−85

dBc

Full

−83

dBc

25 MHz

25°C

−83

−71

dBc

Full

−80

dBc

68 MHz

25°C

−80

dBc

Full

−76

dBc

101 MHz

25°C

−79

dBc

150 MHz

25°C

−72

dBc

200 MHz

25°C

−69

dBc

TWO-TONE IMD REJECTION (TWO TONES SEPARATED BY 1 MHz)2

Analog Inputs = 15/16 MHz

25°C

−81

dBc

Analog Inputs = 55/56 MHz

25°C

−79

dBc

CHANNEL ISOLATION/CROSSTALK3

Full

1 Analog Input A or B = single tone @ −1 dB below full scale, 150 kHz DDC filter bandwidth.

2 Analog Input A or B = each single tone @

−7 dB below full scale, 5 MHz DDC filter bandwidth.

3 Analog Inputs A and B = each single tone @

−1 dB below full scale at 4.3 MHz and 68 MHz, 150 kHz DDC filter bandwidth.

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