Datasheet

Data Sheet AD9835
Rev. A | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
OUTPUT FREQUENCY (MHz)
0
–12
1602
SIGN
A
L
A
TTENU
A
TION (dB)
4 6 8 10 12 14
–2
–4
–6
–8
–10
C
L
= 82pF
C
L
= 100pF
C
L
= 150pF
AVDD = DVDD = +5V
09630-007
Figure 7. Signal Attenuation vs. Output Frequency for Various Capacitive
Loads (R
L
= 300 Ω)
MCLK FREQUENCY (MHz)
30
25
20
15
10
0
5010 20
TOTAL CURRENT (mA)
4030
5
T
A
= +25°C
AVDD = DVDD = +5V
09630-008
Figure 8. Typical Current Consumption vs. MCLK Frequency
MCLK FREQUENCY (MHz)
–
64
–66
–68
–70
–72
–76
–74
5010 20
SFDR [±50kHz] (dB)
30 40
f
OUT
/ f
MCLK
= 1/3
AVDD = DVDD = +5V
09630-009
Figure 9. Narrow-Band SFDR vs. MCLK Frequency
MCLK FREQUENCY (MHz)
0
–10
–20
–30
–40
–60
–50
5010 20
SFDR [±2MHz] (dB)
30 40
f
OUT
/ f
MCLK
= 1/3
AVDD = DVDD = +5V
09630-010
Figure 10. Wideband SFDR vs. MCLK Frequency
–
20
–30
–40
–50
–60
–80
–70
0.4630.1240.044 0.204 0.284
SFDR [±2MHz] (dB)
0.084 0.244 0.324
AVDD = DVDD = +5V
50MHz
30MHz
10MHz
0.164
f
OUT
/f
MCLK
09630-011
Figure 11. Wideband SFDR vs. f
OUT
/f
MCLK
for Various MCLK Frequencies
MCLK FREQUENCY (MHz)
56
55
54
53
52
50
5010 20
SNR (dB)
30 40
51
f
OUT
/f
MCLK
= 1/3
AVDD = DVDD = +5V
09630-012
Figure 12. SNR vs. MCLK Frequency