Datasheet

Data Sheet AD5429/AD5439/AD5449
Rev. E | Page 13 of 28
04464-053
–
90
–70
–
50
–30
–10
SFDR (dB)
0
FREQUENCY (MHz)
–
80
–60
–40
–
20
0
0.5 1.5 3.0 3.5 4.0
1.0 2.0
2.5 4.5 5.0
T
A
= 25 °C
V
DD
= 5V
AMP = AD8038
65k CODES
Figure 31. Wideband SFDR, f
OUT
= 50 kHz, Clock = 10 MHz
04464-054
FREQUENCY (kHz)
�
T
A
= 25°C
V
DD
= 3V
AMP = AD8038
65k CODES
–100
–70
–50
–30
–10
SFDR (dB)
250 750300 350 400 650 700
–80
–60
–40
–20
0
–90
450 500 550 600
Figure 32. Narrow-Band Spectral Response, f
OUT
= 500 kHz, Clock = 25 MHz
04464-055
–120
–60
–20
SFDR (dB)
50 150
FREQUENCY (kHz)
60 70 80
130 140
–80
–40
0
20
–100
90 100 110 120
�
T
A
= 25°C
V
DD
= 3V
AMP = AD8038
65k CODES
Figure 33. Narrow-Band SFDR, f
OUT
= 100 kHz, Clock = 25 MHz
04464-056
FREQUENCY (kHz)
–
100
–70
–50
–
30
–
10
IMD (dB)
70 120
75 80
85 115
–
80
–
60
–
40
–20
0
–90
90 100 105 110
�
T
A
= 25
°
C
V
DD
= 3V
AMP = AD8038
65k CODES
95
Figure 34. Narrow-Band IMD, f
OUT
= 90 kHz, 100 kHz, Clock = 10 MHz
04464-057
–
100
–
40
–20
IMD (dB)
–50
–30
–
10
–90
–60
–70
–
80
0 400
FREQUENCY (kHz)
50 300 350100
150 200 250
0
�
T
A
= 25°
C
V
DD
= 5V
AMP = AD8038
65k CODES
Figure 35. Wideband IMD, f
OUT
= 90 kHz, 100 kHz, Clock = 25 MHz
100 1k 10k 100k
FREQUENCY (Hz)
T
A
= 25°C
AMP = AD8038
FULL SCALE LOADED TO DAC
ZERO SCALE LOADED TO DAC
04464-058
0
50
100
150
200
250
300
OUTPUT NOISE (nV/ Hz)
MIDSCALE LOADED TO DAC
Figure 36. Output Noise Spectral Density