Typical Performance Characteristics–AD9830
60
AVDD = DVDD = +5V
T
A
= +25
°
C
f
OUT
= 200kHz
–35
50MHz
–40
55
TOTAL CURRENT – mA
SFDR (0–MCLK/2) – dB
50
–45
30MHz
–50
10MHz
–55
45
40
35
–60
AVDD = DVDD = +5V
30
10
–65
20
30
40
MCLK FREQUENCY – MHz
50
0
0.05
0.1
0.15
0.2
f
OUT
/f
MCLK
0.25
0.3
0.35
Figure 5. Typical Current Consumption vs. MCLK
Frequency
Figure 8. WB SFDR vs. f
OUT
/f
MCLK
for Various MCLK
Frequencies
–50
AVDD = DVDD = +5V
f
OUT
/f
MCLK
= 1/3
–55
60
AVDD = DVDD = +5V
f
OUT
= f
MCLK
/3
55
SFDR (±200kHz) - dB
–60
SNR – dB
–65
50
–70
45
–75
–80
10
20
30
40
MCLK FREQUENCY – MHz
50
40
10
20
30
40
MCLK FREQUENCY – MHz
50
Figure 6. Narrow Band SFDR vs. MCLK Frequency
Figure 9. SNR vs. MCLK Frequency
–40
AVDD = DVDD = +5V
f
OUT
/f
MCLK
= 1/3
60
AVDD = DVDD = +5V
–45
SFDR (±2MHz) – dB
55
10MHz
SNR – dB
–50
30MHz
50
50MHz
–55
45
–60
–65
10
40
20
30
40
MCLK FREQUENCY – MHz
50
0
0.1
0.2
f
OUT
/f
MCLK
0.3
0.4
Figure 7. Wide Band SFDR vs. MCLK Frequency
Figure 10. SNR vs. f
OUT
/f
MCLK
for Various MCLK
Frequencies
REV. A
–7–
AD [ ANALOG DEVICES ]
