AD9988 datasheet(6/40 Pages) AD

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Data Sheet

AD9988

SPECIFICATIONS

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ADC DC SPECIFICATIONS

Nominal supplies with DAC output full-scale current (IOUTFS) = 26 mA, unless otherwise noted. ADC setup in 4 GSPS, full BW mode (all

digital downconverters bypassed). For the minimum and maximum values, TJ = −40°C to +120°C, and for the typical values, TA = 25°C, which

corresponds to TJ = 80°C, unless otherwise noted.

Table 4. ADC DC Specifications

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

ADC RESOLUTION

Bit

ADC ACCURACY

No Missing Codes

Guaranteed

Offset Error

−0.20

%FSR

Offset Matching

+0.05

%FSR

Gain Error

−0.71

%FSR

Gain Matching

+1.2

%FSR

DNL

± 1.9

LSB

INL

± 0.5

LSB

ADC ANALOG INPUTS

ADCxP and ADCxN

Differential Input Voltage

1.4

V p-p

Full-Scale Sine Wave Input Power

Input power level resulting 0 dBFS tone level on fast Fourier

transform (FFT)

3.9

dBm

Common-Mode Input Voltage (VCMIN)

AC-coupled, equal to voltage at VCMx for ADCx input

Differential Input Impedance

100//0.4

Ω//pF

Return Loss

<2.7 GHz

−4.3

2.7 GHz to 3.8 GHz

−3.6

3.8 GHz to 5.4 GHz

−2.9

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