AD9780 Datasheet, PDF (15/36 Pages) Analog Devices – Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs

100
95
90
85
80
75
70
65
60
55
50
45
40
0 50 100 150 200 250 300 350 400 450 500
f_OUT (MHz)
Figure 41. AD9781 SFDR vs. fOUT in Baseband and Mix Modes, at 500 MSPS,
FS = 20 mA
100
95 ^{IMD @ 500MSPS}
90
85
80
75
70
65
60
55
50
45
40
0 60 120 180 240 300 360 420 480 540 600
f_OUT (MHz)
Figure 42. AD9781 IMD vs. fOUT in Baseband and Mix Modes, at 500 MSPS,
FS = 20 mA
–140
–142
–144
–146
–148
–150
–152
–154
–156
–158
–160
–162
–164
–166
–168
–170
0
1-TONE
8-TONE
50 100 150 200 250 300 350 400 450 500
f_OUT (MHz)
Figure 43. AD9781 One-Tone, Eight-Tone NSD vs. fOUT in Baseband and Mix
Modes, at 500 MSPS, FS = 20 mA
AD9780/AD9781/AD9783
–50
–55
–60
FIRST
–65
ADJACENT
CHANNEL
–70
–75
–80
THIRD
–85
SECOND
ADJACENT
CHANNEL
ADJACENT
CHANNEL
–90
0
100
200
300
400
500
f_OUT (MHz)
Figure 44. AD9781 ACLR for One-Carrier W-CDMA Baseband and Mix Modes,
at 491.52 MSPS, FS = 20 mA
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
0
1024
2048
3072
CODE
Figure 45. AD9780 INL, FS = 20 mA
4096
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
–0.12
0
1024
2048
3072
4096
CODE
Figure 46. AD9780 DNL, FS = 20 mA
Rev. A | Page 15 of 36