Datasheet

AD9832 Data Sheet
Rev. E | Page 8 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
MCLK FREQUENCY (MHz)
TOTAL CURRENT (mA)
25
20
0
25
10
5
15 20
15
10
5
5V
3.3V
T
A
= 25°C
09090-007
Figure 7. Typical Current Consumption vs. MCLK Frequency
MCLK FREQUENCY (MHz)
2510 15 20
SFDR (±50kHz) (dB)
–50
–55
–80
–60
–65
–75
–70
f
OUT
/f
MCLK
= 1/3
AVDD = DVDD = 3.3V
09090-008
Figure 8. Narrow-Band SFDR vs. MCLK Frequency
MCLK FREQUENCY (MHz)
2510 15 20
SFDR (±2MHz) (dB)
–40
–45
–65
–50
–55
–60
f
OUT
/f
MCLK
= 1/3
AVDD = DVDD = 3.3V
09090-009
Figure 9. Wideband SFDR vs. MCLK Frequency
10MHz
–40
–45
–80
0.40.10
0.2 0.3
–60
–65
–70
–75
–50
–55
AVDD = DVDD = 3.3V
25MHz
SFDR (±2MHz) (dB)
f
OUT
/ f
MCLK
09090-010
Figure 10. Wideband SFDR vs. f
OUT
/f
MCLK
for Various MCLK Frequencies
MCLK FREQUENCY (MHz)
SNR (dB)
60
55
40
251510
20
50
45
AVDD = DVDD = 3.3V
f
OUT
= f
MCLK
/3
09090-0
11
Figure 11. SNR vs. MCLK Frequency
10MHz
25MHz
SNR (dB)
60
55
40
50
45
AVDD = DVDD = 3.3V
f
OUT
/
f
MCLK
0.40.30.20.10
09090-012
Figure 12. SNR vs. f
OUT
/f
MCLK
for Various MCLK Frequencies