Datasheet

Data Sheet AD9837
Rev. A | Page 7 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
5.0
3.0
0
2
4
6 8 10 12 14 16 18
I
DD
(mA)
MCLK FREQUENCY (MHz)
09070-006
3.2
3.4
3.6
3.8
4.0
4.2
4.4
4.6
4.8
VDD = 5V
VDD = 3V
Figure 5. Typical Current Consumption (I
DD
) vs. MCLK Frequency
for f
OUT
= MCLK/10
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
1 10 100
1000
I
DD
(mA)
OUTPUT FREQUENCY (kHz)
09070-007
VDD = 3V
VDD = 5V
Figure 6. Typical I
DD
vs. Output Frequency for f
MCLK
= 5 MHz
4.9
4.4
4.8
4.7
4.6
4.5
4.3
4.2
4.1
4.0
1 10
100 1k 10k
I
DD
(mA)
OUTPUT FREQUENCY (kHz)
09070-008
VDD = 3V
VDD = 5V
Figure 7. Typical I
DD
vs. Output Frequency for f
MCLK
= 16 MHz
–98
–104
–103
–102
–101
–100
–99
0
2
4
6
8 18161412
10
SFDR (dB)
MCLK FREQUENCY (MHz)
09070-009
Figure 8. Narrow-Band SFDR vs. MCLK Frequency,
f
OUT
= MCLK/50 to ±200 kHz
–50
–55
–60
–65
–70
1
3 5
7 9 11 13 15
SFDR (dB)
MCLK FREQUENCY (MHz)
09070-010
MCLK/7
MCLK/50
Figure 9. Wideband SFDR vs. MCLK Frequency
–56
–70
0 2 4 6 8 10 12 14 16 18
SNR (dB)
MCLK FREQUENCY (MHz)
09070-011
–68
–66
–64
–62
–60
–58
Figure 10. SNR vs. MCLK Frequency