Datasheet

AD9433
Rev. A | Page 10 of 20
–
95
–90
–85
–80
–75
–70
300
280
260
240
220
200
180
18
15
12
9
6
3
0
0 25 50 75 100 125
ENCODE FREQUENCY (MHz)
I
CC
(mA)
I
CC
(mA)
I
DD
(mA)
I
DD
(mA)
01977-024
–65
0 102030405060708090
DYNAMIC PERFORMANCE (dB)
7-021
WORST OTHER (dBc)
THIRD HARMONIC (dBc)
SECOND HARMONIC (dBc)
SNR (dB)
DUTY CYCLE HIGH (%)
0197
Figure 16. Dynamic Performance vs. Encode Duty Cycle, f
S
= 105 MSPS,
f
IN
= 49.3 MHz, Differential AIN @ −0.5 dBFS, SFDR Mode Enabled
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
0 512 1024 1536 2048 2560 3072 3584 4096
INL (LSB)
977-022
OUTPUT CODE
01
Figure 17. Integral Nonlinearity vs. Output Code with SFDR Mode Disabled
0.5
0.4
0.3
0.2
0.1
0
–0.2
–0.1
–0.3
DNL (LSB)
–0.4
–0.5
0 512 1024 1536 2048 2560 3072 3584 4096
OUTPUT CODE
01977-023
Figure 18. Differential Nonlinearity vs. Output Code
Figure 19. I
DD
and I
CC
vs. Encode Rate, f
IN
= 10.3 MHz,
Differential AIN @ −0.5 dBFS
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
0 512 1024 1536 2048 2560 3072 3584 4096
OUTPUT CODE
INL (LSB)
01977-025
Figure 20. Integral Nonlinearity vs. Output Code with SFDR Mode Enabled
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
AMPLITUDE (dBFS)
–120
0 7.68 15.36 23.04 30.72
FREQUENCY (MHz)
01977-026
Figure 21. FFT: f
S
= 61.44 MSPS, f
IN
= 46.08 MHz, Four WCDMA Carriers,
Differential AIN, SFDR Mode Enabled