Datasheet

AD9734/AD9735/AD9736
Rev. A | Page 8 of 72
AC SPECIFICATIONS
AVDD33 = DVDD33 = 3.3 V, CVDD18 = DVDD18 = 1.8 V, maximum sample rate, I
FS
= 20 mA, 1× mode, 25 Ω, 1% balanced load,
unless otherwise noted.
Table 3.
AD9736 AD9735 AD9734
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE
Maximum Update Rate 1200 1200 1200 MSPS
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
f
DAC
= 800 MSPS
f
OUT
= 20 MHz 75 75 75 dBc
f
DAC
= 1200 MSPS
f
OUT
= 50 MHz 80 76 76 dBc
f
OUT
= 100 MHz 77 74 71 dBc
f
OUT
= 316 MHz 63 63 60 dBc
f
OUT
= 550 MHz 55 54 53 dBc
TWO-TONE INTERMODULATION
DISTORTION (IMD)
f
DAC
= 1200 MSPS
f
OUT2
= f
OUT
+ 1.25 MHz
f
OUT
= 40 MHz 88 84 83 dBc
f
OUT
= 50 MHz 85 84 83 dBc
f
OUT
= 100 MHz 84 81 79 dBc
f
OUT
= 316 MHz 70.5 67 66 dBc
f
OUT
= 550 MHz 65 60 60 dBc
NOISE SPECTRAL DENSITY (NSD)
Single Tone
f
DAC
= 1200 MSPS
f
OUT
= 50 MHz −165
162
−154 dBm/Hz
f
OUT
= 100 MHz −164 −161 −154 dBm/Hz
f
OUT
= 241MHz −158.5 −160.5 −159.5 −155 dBm/Hz
f
OUT
= 316 MHz −158 −157 −152 dBm/Hz
f
OUT
= 550 MHz −155 −155 −149 dBm/Hz
Eight-Tone
f
DAC
= 1200 MSPS, 500 kHz Tone Spacing
f
OUT
= 50 MHz −166.5 −163 −154 dBm/Hz
f
OUT
= 100 MHz −166 −163 −152 dBm/Hz
f
OUT
= 241MHz −163.3 −165 −161.5 −150.5 dBm/Hz
f
OUT
= 316 MHz −164 −162 −151 dBm/Hz
f
OUT
= 550 MHz −162 −160 −150 dBm/Hz