AD9739-R2-EBZ datasheet(8/50 Pages) AD

8 / 50 page

AD9739

Data Sheet

Rev. E | Page 8 of 50

AC SPECIFICATIONS

VDDA = VDD33 = 3.3 V, VDDC = VDD = 1.8 V, I

OUTFS = 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 (t

st) to 0.1%

SPURIOUS-FREE DYNAMIC RANGE (SFDR)

OUT = 100 MHz

69.5

dBc

OUT = 350 MHz

58.5

dBc

OUT = 550 MHz

dBc

OUT = 950 MHz

dBc

TWO-TONE INTERMODULATION DISTORTION (IMD), f

OUT2 = fOUT1 + 1.25 MHz

OUT = 100 MHz

dBc

OUT = 350 MHz

dBc

OUT = 550 MHz

dBc

OUT = 950 MHz

dBc

NOISE SPECTRAL DENSITY (NSD), 0 dBFS SINGLE TONE

OUT = 100 MHz

−166

dBm/Hz

OUT = 350 MHz

−161

dBm/Hz

OUT = 550 MHz

−160

dBm/Hz

OUT = 850 MHz

−160

dBm/Hz

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

DAC = 2457.6 MSPS fOUT = 350 MHz

80/80

dBc

DAC = 2457.6 MSPS, fOUT = 950 MHz

78/79

dBc

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

74/74

dBc

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

69/72

dBc

1 Adjusted DAC updated rate is calculated as f

DAC divided by the minimum required interpolation factor. For the AD9739, the minimum interpolation factor is 1. Thus,

with f

DAC = 2500 MSPS, fDAC adjusted = 2500 MSPS.

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