Datasheet

AD9737A/AD9739A Data Sheet
Rev. | Page 30 of 64
f
DAC
= 2 GSPS, I
OUTFS
= 20 mA, nominal supplies, T
A
= 25°C, unless otherwise noted.
f
OUT
(MHz)
SFDR (dBc)
30
40
50
60
70
80
90
0 100 200 300 400 500 600 700 800 900 1000
+25°C
+85°C
–40°C
09616-019
Figure 101. SFDR vs. f
OUT
over Temperature
–170
–168
–166
–164
–162
–160
–158
–156
–154
–152
–150
0 200 400 600 800 1000100 300 500 700 900
f
OUT
(MHz)
NSD (dBm/Hz)
+25°C
–40°C
+85°C
09616-020
Figure 102. Single-Tone NSD vs. f
OUT
over Temperature
VBW 300kHz
10dB/DIV
SPAN 53.84MHz
SWEEP 174.6ms (601pts)
CENTER 350.27MHz
#RES BW 30kHz
RMS RESULTS
CARRIER POWER
–14.54dBm/
3.84MHz
FREQ
OFFSET
(MHz)
5
10
15
20
25
REF
BW
(MHz)
3.84
3.84
3.84
3.84
3.84
(dBc)
–79.90
–80.60
–80.90
–80.62
–80.76
(dBm)
–94.44
–95.14
–95.45
–95.16
–95.30
LOWER
(dBc)
–79.03
–79.36
–80.73
–80.97
–80.95
(dBm)
–93.57
–94.40
–95.27
–95.51
–95.49
UPPER
09616-021
Figure 103. Single-Carrier WCDMA at 350 MHz, f
DAC
= 2457.6 MSPS
f
OUT
(MHz)
IMD (dBc)
30
40
50
60
70
80
90
100
110
0 100 200 300 400 500 600 700 800 900
1000
+25°C
–40°C
+85°C
09616-022
Figure 104. IMD vs. f
OUT
over Temperature
–170
–168
–166
–164
–162
–160
–158
–156
–154
–152
–150
0 200 400 600 800 1000100 300 500 700 900
f
OUT
(MHz)
NSD (dBm/Hz)
+25°C
–40°C
+85°C
09616-023
Figure 105. Eight-Tone NSD vs. f
OUT
over Temperature
–50
–55
–60
–65
–70
–75
–80
–85
–90
0 200 400 600 800 140012001000
ACLR (dBc)
f
OUT
(MHz)
09616-225
FIRST ADJ CH
FIFTH ADJ CH
SECOND ADJ CH
Figure 106. Single-Carrier WCDMA ACLR vs. f
OUT
at 2457.6 MSPS
C