Datasheet

Data Sheet AD5424/AD5433/AD5445
Rev. D | Page 15 of 28
–100
–90
–80
–
70
–60
–50
–40
–30
–20
–10
0
SFDR (dB)
0 0.5 1.0 1.5 2.0 2.5 3.0
3.5
4.0 4.5
5.0
FREQUENCY (MHz)
03160-039
T
A
= 25°C
V
DD
= 5V
AMP = AD8038
AD5445
65k CODES
Figure 39. Wideband SFDR, f
OUT
= 500 kHz, Clock = 10 MHz
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
SFDR (dB)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
FREQUENCY (MHz)
03160-040
T
A
= 25°C
V
DD
= 5V
AMP = AD8038
AD5445
65k CODES
Figure 40. Wideband SFDR, f
OUT
= 50 kHz, Clock = 10 MHz
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
SFDR (dB)
250 300 350 400 450 500 550 600 650 700 750
FREQUENCY (kHz)
03160-041
T
A
= 25°C
V
DD
= 3V
AMP = AD8038
AD5445
65k CODES
Figure 41. Narrow-Band Spectral Response, f
OUT
= 500 kHz, Clock = 25 MHz
–120
–100
–80
–60
–
40
–20
0
20
SFDR (dB)
50 60 70 80 90 100 110 120 130 140 150
FREQUENCY (kHz)
03160-042
T
A
= 25
°C
V
DD
= 3V
AMP = AD8038
AD5445
65k CODES
Figure 42. Narrow-Band SFDR, f
OUT
= 100 kHz, MCLK = 25 MHz
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
(dB)
200 250 300 350 400 450 500 550 600 650 700
FREQUENCY (kHz)
03160-043
T
A
= 25°C
V
DD
= 3V
AMP = AD8038
AD5445
65k CODES
Figure 43. Narrow-Band IMD, f
OUT
= 400 kHz, 500 kHz, Clock = 10 MHz
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
(dB)
70 75 80 85 90 95 100 105 110 115 120
FREQUENCY (kHz)
03160-044
T
A
= 25°C
V
DD
= 3V
AMP = AD8038
AD5445
65k CODES
Figure 44. Narrow-Band IMD, f
OUT
= 90 kHz, 100 kHz, Clock = 10 MHz