AD9739-R2-EBZ datasheet(7/48 Pages) AD

7 / 48 page

Data Sheet

AD9739

Rev. B | Page 7 of 48

AC SPECIFICATIONS

VDDA = VDD33 = 3.3 V, VDDC = VDD = 1.8 V, IOUTFS = 20 mA, fDAC = 2400 MSPS.

Table 4.

Parameter

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

DAC Clock Rate

800

2500

MSPS

Adjusted DAC Update Rate1

800

2500

MSPS

Output Settling Time (tst) to 0.1%

SPURIOUS-FREE DYNAMIC RANGE (SFDR)

fOUT = 100 MHz

69.5

dBc

fOUT = 350 MHz

58.5

dBc

fOUT = 550 MHz

dBc

fOUT = 950 MHz

dBc

TWO-TONE INTERMODULATION DISTORTION (IMD), fOUT2 = fOUT1 + 1.25 MHz

fOUT = 100 MHz

dBc

fOUT = 350 MHz

dBc

fOUT = 550 MHz

dBc

fOUT = 950 MHz

dBc

NOISE SPECTRAL DENSITY (NSD), 0 dBFS SINGLE TONE

fOUT = 100 MHz

−166

dBm/Hz

fOUT = 350 MHz

−161

dBm/Hz

fOUT = 550 MHz

−160

dBm/Hz

fOUT = 850 MHz

−160

dBm/Hz

WCDMA ACLR (SINGLE CARRIER), ADJACENT/ALTERNATE ADJACENT CHANNEL

fDAC = 2457.6 MSPS fOUT = 350 MHz

80/80

dBc

fDAC = 2457.6 MSPS, fOUT = 950 MHz

78/79

dBc

fDAC = 2457.6 MSPS, fOUT = 1700 MHz (Mix Mode)

74/74

dBc

fDAC = 2457.6 MSPS, fOUT = 2100 MHz (Mix Mode)

69/72

dBc

1 Adjusted DAC updated rate is calculated as fDAC divided by the minimum required interpolation factor. For the AD9739, the minimum interpolation factor is 1. Thus,

with fDAC = 2500 MSPS, fDAC adjusted = 2500 MSPS.

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