Datasheet

Data Sheet AD9737A/AD9739A
Rev. | Page 7 of 64
AC SPECIFICATIONS
VDDA = VDD33 = 3.3 V, VDDC = VDD = 1.8 V, I
OUTFS
= 20 mA, f
DAC
= 2400 MSPS, unless otherwise noted.
Table 4.
AD9737A AD9739A
Parameter Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE
DAC Clock Rate 1600 2500 1600 2500 MSPS
Adjusted DAC Update Rate
1
1600 2500 1600 2500 MSPS
Output Settling Time to 0.1% 13 13 ns
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
f
OUT
= 100 MHz 70 70 dBc
f
OUT
= 350 MHz 65 65 dBc
f
OUT
= 550 MHz 58 58 dBc
f
OUT
= 950 MHz 55 55 dBc
TWO-TONE INTERMODULATION DISTORTION (IMD),
f
OUT2
= f
OUT1
+ 1.25 MHz
f
OUT
= 100 MHz 94 94 dBc
f
OUT
= 350 MHz 78 78 dBc
f
OUT
= 550 MHz 72 72 dBc
f
OUT
= 950 MHz 68 68 dBc
NOISE SPECTRAL DENSITY (NSD), 0 dBFS SINGLE TONE
f
OUT
= 100 MHz −162 −167 dBm/Hz
f
OUT
= 350 MHz −162 −166 dBm/Hz
f
OUT
= 550 MHz −161 −164 dBm/Hz
f
OUT
= 850 MHz −161 −163 dBm/Hz
WCDMA ACLR (SINGLE CARRIER), ADJACENT/ALTERNATE
ADJACENT CHANNEL
f
DAC
= 2457.6 MSPS, f
OUT
= 350 MHz 80/81 80/80 dBc
f
DAC
= 2457.6 MSPS, f
OUT
= 950 MHz 75/75 78/79 dBc
f
DAC
= 2457.6 MSPS, f
OUT
= 1700 MHz (Mix-Mode) 69/71 74/74 dBc
f
DAC
= 2457.6 MSPS, f
OUT
= 2100 MHz (Mix-Mode) 66/67 69/72 dBc
1
Adjusted DAC updated rate is calculated as f
DAC
divided by the minimum required interpolation factor. For the AD9737A/AD9739A, the minimum interpolation factor
is 1. Thus, with f
DAC
= 2500 MSPS, f
DAC
, adjusted, = 2500 MSPS.
C