Analog Devices AD9776 Instruction Manual page 6

AD9776/AD9778/AD9779
T to T , AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, I
MIN MAX
otherwise noted.
Table 3. AD9776, AD9778, and AD9779 AC Specifications
Parameter
SPURIOUS FREE DYNAMIC RANGE (SFDR)
f = 100 MSPS, f = 20 MHz
DAC OUT
f = 200 MSPS, f = 50 MHz
DAC OUT
f = 400 MSPS, f = 70 MHz
DAC OUT
f = 800 MSPS, f = 70 MHz
DAC OUT
TWO-TONE INTERMODULATION DISTORTION
(IMD)
f = 200 MSPS, f = 50 MHz
DAC OUT
f = 400 MSPS, f = 60 MHz
DAC OUT
f = 400 MSPS, f = 80 MHz
DAC OUT
f = 800 MSPS, f = 100 MHz
DAC OUT
NOISE SPECTRAL DENSITY (NSD) Eight-Tone,
500 kHz Tone Spacing
f = 200 MSPS, f = 80 MHz
DAC OUT
f = 400 MSPS, f = 80 MHz
DAC OUT
f = 800 MSPS, f = 80 MHz
DAC OUT
WCDMA ADJACENT CHANNEL LEAKAGE
RATIO (ACLR), SINGLE CARRIER
f = 491.52 MSPS, f = 100 MHz
DAC OUT
f = 491.52 MSPS, f = 200 MHz
DAC OUT
WCDMA SECOND ADJACENT CHANNEL
LEAKAGE RATIO (ACLR), SINGLE CARRIER
f = 491.52 MSPS, f = 100 MHz
DAC OUT
f = 491.52 MSPS, f = 200 MHz
DAC OUT
AD9776
Min Typ Max
82
81
80
85
87
80
75
75
–152
–155
–157.5
76
69
77.5
76
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= 20 mA, maximum sample rate, unless
OUTFS
AD9778
Min Typ Max Min
82
81
80
85
87
85
81
80
–155
–159
–160
78
73
80
78
AD9779
Typ Max Unit
82 dBc
82 dBc
80 dBc
87 dBc
91 dBc
85 dBc
81 dBc
81 dBc
–158 dBm/Hz
–160 dBm/Hz
–161 dBm/Hz
79 dBc
74 dBc
81 dBc
78 dBc