Datasheet

MCLK FREQUENCY – MHz
TOTAL CURRENT – mA
60
30
10 20 30 40 50
55
50
45
40
35
AVDD = DVDD = +5V
T
A
= +25°C
f
OUT
= 200kHz
Figure 5. Typical Current Consumption vs. MCLK
Frequency
MCLK FREQUENCY – MHz
SFDR (±200kHz) - dB
–50
–80
10 20 30 40 50
–55
–60
–65
–70
–75
AVDD = DVDD = +5V
f
OUT
/f
MCLK
= 1/3
Figure 6. Narrow Band SFDR vs. MCLK Frequency
MCLK FREQUENCY – MHz
–65
10 5020
SFDR (±2MHz) – dB
30 40
–50
–55
–60
–40
–45
AVDD = DVDD = +5V
f
OUT
/f
MCLK
= 1/3
Figure 7. Wide Band SFDR vs. MCLK Frequency
f
OUT
/f
MCLK
–35
–65
0 0.350.05 0.1 0.15 0.2 0.25 0.3
–40
–45
–50
–55
–60
AVDD = DVDD = +5V
50MHz
30MHz
10MHz
SFDR (0–MCLK/2) – dB
Figure 8. WB SFDR vs. f
OUT
/f
MCLK
for Various MCLK
Frequencies
SNR – dB
MCLK FREQUENCY – MHz
60
55
40
10 5020 30 40
50
45
AVDD = DVDD = +5V
f
OUT
= f
MCLK
/3
Figure 9. SNR vs. MCLK Frequency
f
OUT
/f
MCLK
60
55
40
0 0.40.1 0.2 0.3
50
45
SNR – dB
10MHz
30MHz
50MHz
AVDD = DVDD = +5V
Figure 10. SNR vs. f
OUT
/f
MCLK
for Various MCLK
Frequencies
Typical Performance Characteristics–AD9830
–7–
REV. B