AD9993BBCZ datasheet(6/57 Pages) AD

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Data Sheet

AD9993

Rev. A | Page 5 of 56

AC SPECIFICATIONS

TMIN to TMAX, AVDD33 = 3.3 V, DVDD = AVDD = 1.8 V, DAC sampling rate = 500 MSPS and ADC sampling rate = 250 MSPS, unless

otherwise specified.

Table 2.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DAC OUTPUT

Spurious-Free Dynamic Range

(SFDR)

fOUT = 20 MHz

dBc

Two Tone Intermodulation

Distortion (IMD3)

fOUT = 80 MHz

dBc

Noise Spectral Density (NSD),

Single Tone

fOUT = 80 MHz

−160

dBm/Hz

256-QAM Adjacent Channel

Power (ACP)

fCENTER = 50 MHz, single carrier, 3.375 MHz offset frequency

dBc

ADC INPUT

Signal to Noise Ratio (SNR)

Measured with −1.0 dBFS sine wave input

fIN = 87 MHz

dBc

Spurious-Free Dynamic Range

(SFDR)

Measured with −1.0 dBFS sine wave input

fIN = 10 MHz

dBc

fIN = 87 MHz

dBc

Two-Tone IMD3

fIN1 = 89 MHz, fIN2 = 92 MHz, AIN = −12 dBFS

dBc

Full Power Bandwidth

Bandwidth of operation in which proper ADC performance can be

achieved

1000

MHz

DIGITAL SPECIFICATIONS

TMIN to TMAX, AVDD33 = 3.3 V, DVDD = AVDD = 1.8 V, unless otherwise noted.

Table 3.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

CMOS INPUT LOGIC LEVEL

Input VIN Logic High

1.8

Input VIN Logic Low

0.0

CMOS OUTPUT LOGIC LEVEL

Output VOUT Logic High

1.2

Output VOUT Logic Low

0.8

ADC AND DAC LVDS DATA INTERFACES

ADC LVDS Transmitter Outputs

DCO_P/DCO_N to Data Skew (tSKEW)

Data to DDR DCO_P/DCO_N transition delay

350

Output Voltage High, VOH, Single

Ended

Applies to output voltage, positive and negative, VOUTP

and VOUTN

1375

Output Voltage Low, VOL, Single

Ended

Applies to VOUTP and VOUTN

1025

Output Differential Voltage

200

Output Offset Voltage

1200

DAC LVDS Receiver Inputs

Specifications apply to DAC data inputs and DCI_P/DCI_N

Input Voltage Range, Single Ended

Applies to input voltage, positive and negative, VINP and

VINN

825

1575

Input Differential Threshold

−100

+100

Input Differential Hysteresis

Receiver Differential Input

Impedance

115

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