Datasheet

AD9786
Rev. B | Page 6 of 56
DYNAMIC SPECIFICATIONS
T
MIN
to T
MAX
; AVDD1, AVDD2, DRVDD = 3.3 V; ACVDD, ADVDD, CLKVDD, DVDD = 2.5 V; I
OUTFS
= 20 mA; differential transformer
coupled output; 50 Ω doubly terminated, unless otherwise noted.
Table 2.
Parameter Min Typ Max Unit
DYNAMIC PERFORMANCE
Minimum DAC Output Update Rate 20 MHz
Maximum DAC Output Update Rate (f
DAC
) 500 MSPS
AC LINEARITY/BASEBAND MODE
Spurious-Free Dynamic Range (SFDR) to Nyquist (f
OUT
= 0 dBFS)
f
DATA
= 100 MSPS; f
OUT
= 5 MHz, 4×, 2× Interpolation 93 dBc
f
DATA
= 200 MSPS; f
OUT
= 10 MHz 85 dBc
f
DATA
= 200 MSPS; f
OUT
= 25 MHz 78 dBc
f
DATA
= 200 MSPS; f
OUT
= 50 MHz 78 dBc
Two-Tone Intermodulation (IMD) to Nyquist (f
OUT1
= f
OUT2
= –6 dBFS)
f
DATA
= 200 MSPS; f
OUT1
= 5 MHz; f
OUT2
= 6 MHz 85 dBc
f
DATA
= 200 MSPS; f
OUT1
= 15 MHz; f
OUT2
= 16 MHz 85 dBc
f
DATA
= 200 MSPS; f
OUT1
= 25 MHz; f
OUT2
= 26 MHz 84 dBc
f
DATA
= 200 MSPS; f
OUT1
= 45 MHz; f
OUT2
= 46 MHz 80 dBc
f
DATA
= 200 MSPS; f
OUT1
= 65 MHz; f
OUT2
= 66 MHz 78 dBc
f
DATA
= 200 MSPS; f
OUT1
= 85 MHz; f
OUT2
= 86 MHz 75 dBc
Noise Power Spectral Density (NPSD)
f
DATA
= 156 MSPS; f
OUT
= 10 MHz; 0 dBFS, 8 Tones, Separation = 500 kHz −164 dBm/Hz
f
DATA
= 156 MSPS; f
OUT
= 50 MHz; 0 dBFS, 8 Tones, Separation = 500 kHz −161 dBm/Hz
Adjacent Channel Power Ratio (ACLR)
WCDMA ACLR with 3.84 MHz BW, Single Carrier
IF = 21 MHz, f
DATA
= 122.88 MSPS, 4× Interpolation 80 dB
IF = 224.76 MHz, f
DATA
= 122.88 MSPS, 4× Interpolation, High-Pass Interpolation Filter Mode 72 dB