AD9747 Analog Devices, AD9747 Datasheet - Page 15

• Manufacturer Part Number: AD9747
• Description: Dual 16-Bit 250 MSPS Digital-to-Analog Converters
• Manufacturer: Analog Devices

Specifications of AD9747

• Resolution (bits): 16bit
• Dac Update Rate: 250MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
85
80
75
70
65
60
Figure 15. AD9747 SFDR vs. f
0
0
Figure 13. AD9747 SFDR vs. Analog Output, 250 MSPS
Figure 14. AD9747 SFDR vs. Digital Input, 250 MSPS
RANGE OF POSSIBLE SFDR
PERFORMANCE IS DEPENDENT ON
INPUT DATA TIMING RELATIVE TO
THE DAC CLOCK. SEE INPUT DATA
TIMING SECTION.
10
20
20
20
–3dBFS
30
40
10mAFS
40
40
–6dBFS
20mAFS
0dBFS
50
f
f
OUT
OUT
f
IN
60
(MHz)
OUT
60
60
(MHz)
(MHz)
30mAFS
Over Input Data Timing
70
80
80
80
90
100
100
100
110
120
120
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AD9741/AD9743/AD9745/AD9746/AD9747
100
100
90
85
80
75
70
65
60
90
80
70
60
50
40
90
80
70
60
50
40
0
0
Figure 18. AD9747 IMD vs. f
Figure 16. AD9747 IMD vs. Analog Output, 250 MSPS
10
Figure 17. AD9747 IMD vs. Digital Input, 250 MSPS
RANGE OF IMD PERFORMANCE IS
ESSENTIALLY INDEPENDENT OF
INPUT DATA TIMING RELATIVE TO
THE DAC CLOCK. SEE INPUT DATA
TIMING SECTION.
20
20
20
30
40
40
40
–3dBFS
50
f
f
OUT
OUT
f
IN
OUT
60
60
60
(MHz)
(MHz)
(MHz)
Over Input Data Timing
70
80
80
80
10mAFS
20mAFS
30mAFS
0dBFS
90
100
100
100
–6dBFS
110
120
120