AD9838 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD9838 Datasheet PDF : 32 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
6.0
5.5
VDD = 5V
5.0
VDD = 3V
4.5
4.0
3.5
3.0
0
2
4
6
8 10 12 14 16 18
MCLK FREQUENCY (MHz)
Figure 6. Typical Current Consumption (IDD + IAA) vs. MCLK Frequency
for fOUT = MCLK/10
2.5
2.0
VDD = 5V
1.5
VDD = 3V
1.0
0.5
0
0
2
4
6
8 10 12 14 16 18
MCLK FREQUENCY (MHz)
Figure 7. Typical Current Consumption (IDD) vs. MCLK Frequency
for fOUT = MCLK/10
–91
AVDD = DVDD = 3V
–92 TA = 25°C
±200kHz
–93
–94
MCLK/50
–95
MCLK/7
–96
–97
–98
–99
0
2
4
6
8
10
12
14 16
MCLK FREQUENCY (MHz)
Figure 8. Narrow-Band SFDR vs. MCLK Frequency
AD9838
–40
AVDD = DVDD = 3V
–45 TA = 25°C
0Hz TO NYQUIST
–50
–55
–60
MCLK/7
–65
–70
MCLK/50
–75
–80
1
6
11
16
MCLK FREQUENCY (MHz)
Figure 9. Wideband SFDR vs. MCLK Frequency
–40
–45
–50
–55
–60
–65
–70
0
2
4
6
8 10 12 14 16 18
MCLK FREQUENCY (MHz)
Figure 10. SNR vs. MCLK Frequency
1000
900
VDD = 2.3V
800
VDD = 5.5V
700
600
500
400
–40 –20 0
20 40 60 80
TEMPERATURE (°C)
100 120 140
Figure 11. Wake-Up Time vs. Temperature
Rev. A | Page 9 of 32
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