AD9834BRU Analog Devices Inc, AD9834BRU Datasheet - Page 10

• Manufacturer Part Number: AD9834BRU
• Description: 10 Bit, 20 Pin DDS I.C.
• Manufacturer: Analog Devices Inc

Specifications of AD9834BRU

• Rohs Status: RoHS non-compliant
• Design Resources: Amplitude Control Circuit for AD9834 Waveform Generator (CN0156)
• Resolution (bits): 10 b
• Master Fclk: 50MHz
• Tuning Word Width (bits): 28 b
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-AD9834EBZ - BOARD EVAL FOR AD9834
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD9834
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 7. Typical Current Consumption (I
–60
–65
–70
–75
–80
–85
–90
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
100
0
0
T
AVDD = DVDD = 3V
T
SFDR dB MCLK/50
Figure 9. Narrow-Band SFDR vs. MCLK Frequency
T
A
A
A
= 25°C
Figure 8. Typical I
= 25°C
= 25°C
1k
15
15
MCLK FREQUENCY (MHz)
MCLK FREQUENCY (MHz)
10k
DD
30
30
f
vs. f
OUT
100k
OUT
(Hz)
5V
for f
45
45
DD
MCLK
SFDR dB MCLK/7
3V
1M
) vs. MCLK Frequency
5V
= 50 MHz
60
60
10M
3V
100M
75
75
Rev. C | Page 10 of 36
Figure 11. Wideband SFDR vs. f
–40
–45
–50
–55
–60
–65
–70
–10
–20
–30
–40
–50
–60
–70
–80
–10
–20
–30
–40
–50
–60
–70
–80
0.001
0
0
0
AVDD = DVDD = 3V
T
T
AVDD = DVDD = 3V
f
AVDD = DVDD = 3V
T
OUT
A
A
A
Figure 10. Wideband SFDR vs. MCLK Frequency
1.0
= 25°C
= 25°C
= 25°C
SFDR dB MCLK/7
f
= MCLK/4096
OUT
10
Figure 12. SNR vs. MCLK Frequency
0.01
= 1MHz
5.0
20
30MHz CLOCK
MCLK FREQUENCY (MHz)
MCLK FREQUENCY (MHz)
0.1
30
OUT
f
10.0
OUT
/f
MCLK
/f
MCLK
40
for Various MCLK Frequencies
50MHz CLOCK
1.0
12.5
50
25.0
10
60
70
50.0
100