AD9148 Analog Devices, AD9148 Datasheet - Page 16

• Manufacturer Part Number: AD9148
• Manufacturer: Analog Devices

Specifications of AD9148

• Resolution (bits): 16bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9148
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–90
Full-Scale Current = 20 mA, 4× Interpolation, f
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–50
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–90
Figure 14. 4× Interpolation, f
Figure 13. Second Harmonic vs. f
0
Digital Scale = 0 dBFS, 4× Interpolation, f
0
0
Figure 12. Second Harmonic vs. f
0
0dBFS, SECOND HARMONIC
–6dBFS, SECOND HARMONIC
–12dBFS, SECOND HARMONIC
–18dBFS, SECOND HARMONIC
10mA, SECOND HARMONIC
10mA, THIRD HARMONIC
20mA, SECOND HARMONIC
20mA, THIRD HARMONIC
30mA, SECOND HARMONIC
30mA, THIRD HARMONIC
100
50
50
100
100
200
FREQUENCY (MHz)
f
f
OUT
OUT
DATA
150
150
300
(MHz)
(MHz)
= 150 MSPS, f
OUT
OUT
over Full-Scale Current,
over Digital Scale,
200
200
400
DATA
DATA
OUT
= 150 MSPS
250
= 150 MSPS
250
= 131 MHz
500
300
300
600
Rev. B | Page 16 of 72
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
Full-Scale Current = 20 mA, 4× Interpolation, f
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
Figure 16. 2× Interpolation, f
Figure 17. 8× Interpolation, f
0
0
0
0
0
Figure 15. Third Harmonic vs. f
100
0dBFS, THIRD HARMONIC
–6dBFS, THIRD HARMONIC
–12dBFS, THIRD HARMONIC
–18dBFS, THIRD HARMONIC
100
50
200
300
100
200
FREQUENCY (MHz)
FREQUENCY (MHz)
400
f
OUT
DATA
DATA
500
150
300
(MHz)
= 310 MSPS, f
= 125 MSPS, f
OUT
600
over Digital Scale,
200
400
700
DATA
OUT
OUT
800
Data Sheet
250
= 150 MSPS
= 131 MHz
= 131 MHz
500
900
1000
300
600