Datasheet

AD9737A/AD9739A Data Sheet
Rev. | Page 28 of 64
AC (NORMAL MODE)
I
OUTFS
= 20 mA, nominal supplies, T
A
= 25°C, unless otherwise noted.
VBW 10kHz
10dB/DIV
STOP 2.4GHzSTART 20MHz
09616-007
Figure 89. Single-Tone Spectrum at f
OUT
= 91 MHz, f
DAC
= 2.4 GSPS
f
OUT
(MHz)
SFDR (dBc)
30
35
40
45
50
55
60
65
70
75
80
0 100 200 300 400 500 600 700 800 900 1000 1100 1200
1.6GSPS
1.2GSPS
2.4GSPS
2.0GSPS
09616-008
Figure 90. SFDR vs. f
OUT
over f
DAC
NSD (dBm/Hz)
–170
–168
–166
–164
–162
–160
–158
–156
–154
–152
–150
1.2GSPS
2.4GSPS
f
OUT
(MHz)
0 100 200 300 400 500 600 700 800 900 1000 1100 1200
09616-009
Figure 91. Single-Tone NSD vs. f
OUT
VBW 10kHz
10dB/DIV
STOP 2.4GHzSTART 20MHz
09616-010
Figure 92. Single-Tone Spectrum at f
OUT
= 1091 MHz, f
DAC
= 2.4 GSPS
f
OUT
(MHz)
IMD (dBc)
30
0 100 200 300 400 500 600 700 800 900 1000
35
40
45
50
55
60
65
70
75
80
85
90
95
100
1100 1200
1.2GSPS
1.6GSPS
2.0GSPS
2.4GSPS
09616-011
Figure 93. IMD vs. f
OUT
over f
DAC
f
OUT
(MHz)
NSD (dBm/Hz)
0 100 200 300 400 500 600 700 800 900 1000
1100 1200
–170
–169
–168
–167
–166
–165
–164
–163
–162
–161
–160
2.4GSPS
1.2GSPS
09616-012
Figure 94. Eight-Tone NSD vs. f
OUT
C