Datasheet

AD9148 Data Sheet
Rev. B | Page 8 of 72
AC SPECIFICATIONS
T
MIN
to T
MAX
, AVDD33 = 3.3 V, IOVDD = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, I
OUTFS
= 20 mA, maximum sample rate, unless
otherwise noted.
Table 5.
Parameter Min Typ Max Unit
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
f
DAC
= 400 MSPS, f
OUT
= 80 MHz 72 dBc
f
DAC
= 600 MSPS, f
OUT
= 100 MHz 67 dBc
f
DAC
= 1000 MSPS, f
OUT
= 100 MHz 65 dBc
TWO-TONE INTERMODULATION DISTORTION (IMD)
f
DAC
= 400 MSPS, f
OUT
= 100 MHz 85 dBc
f
DAC
= 600 MSPS, f
OUT
= 120 MHz 82 dBc
f
DAC
= 1000 MSPS, f
OUT
= 150 MHz
76
dBc
NOISE SPECTRAL DENSITY (NSD) EIGHT-TONE, 500 kHz TONE SPACING
f
DAC
= 200 MSPS, f
OUT
= 80 MHz −160 dBm/Hz
f
DAC
= 400 MSPS, f
OUT
= 100 MHz
−161
dBm/Hz
f
DAC
= 800 MSPS, f
OUT
= 100 MHz −162.5 dBm/Hz
W-CDMA ADJACENT CHANNEL LEAKAGE RATIO (ACLR), SINGLE CARRIER
f
DAC
= 737.28 MSPS, f
OUT
= 100 MHz, PLL Off
−81
dBc
f
DAC
= 737.28 MSPS, f
OUT
= 100 MHz, PLL On −78 dBc
f
DAC
= 737.28 MSPS, f
OUT
= 200 MHz, PLL Off −79 dBc
f
DAC
= 737.28 MSPS, f
OUT
= 200 MHz, PLL On −72.5 dBc
W-CDMA ALTERNATE CHANNEL LEAKAGE RATIO, SINGLE CARRIER
f
DAC
= 737.28 MSPS, f
OUT
= 100 MHz, PLL Off −87 dBc
f
DAC
= 737.28 MSPS, f
OUT
= 100 MHz, PLL On −83 dBc
f
DAC
= 737.28 MSPS, f
OUT
= 200 MHz, PLL Off −84 dBc
f
DAC
= 737.28 MSPS, f
OUT
= 200 MHz, PLL On
−80.5
dBc