Datasheet

AD9837
Data Sheet
Rev. A | Page 8 of 28
1000
900
800
700
600
500
400
–40 –20 0 20 40 60 80
140120100
WAKE-UP TIME (µs)
TEMPERATURE (°C)
09070-012
VDD = 2.3V
VDD = 5.5V
Figure 11. Wake-Up Time vs. Temperature
1.180
1.164
1.166
1.168
1.170
1.172
1.174
1.176
1.178
–40 –20 0 20 40 60 80 100 140120
V
REF
(V)
TEMPERATURE (°C)
09070-013
VDD = 2.7V
VDD = 5.0V
Figure 12. V
REF
vs. Temperature
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0 1009010 20 30
40 50 60 70 80
POWER (dB)
FREQUENCY (kHz)
09070-014
Figure 13. Power vs. Frequency, f
MCLK
= 5 MHz, f
OUT
= 2.4 kHz,
Frequency Word = 0x1F751
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0 1009010 20 30 40 50 60 70 80
POWER (dB)
FREQUENCY (kHz)
09070-015
Figure 14. Power vs. Frequency, f
MCLK
= 16 MHz, f
OUT
= 7.692 kHz,
Frequency Word = 0x1F81A
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
2.50.5
1.0 1.5 2.0
POWER (dB)
FREQUENCY (MHz)
09070-016
Figure 15. Power vs. Frequency, f
MCLK
= 5 MHz, f
OUT
= 0.714285 MHz = f
MCLK
/7,
Frequency Word = 0x2492492
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0 41 2 3
POWER (dB)
FREQUENCY (MHz)
09070-017
Figure 16. Power vs. Frequency, f
MCLK
= 16 MHz, f
OUT
= 2.285714 MHz = f
MCLK
/7,
Frequency Word = 0x2492492