AD9148 Analog Devices, AD9148 Datasheet - Page 15

• 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

Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 8. Harmonic Level vs. f
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
Figure 6. Harmonic Level vs. f
Figure 7. Harmonic Level vs. f
0
0
0
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
50
50
f
f
f
f
f
f
f
f
f
f
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
50
100
100
= 200MSPS, SECOND HARMONIC
= 200MSPS, THIRD HARMONIC
= 310MSPS, SECOND HARMONIC
= 310MSPS, THIRD HARMONIC
= 150MSPS, SECOND HARMONIC
= 150MSPS, THIRD HARMONIC
= 250MSPS, SECOND HARMONIC
= 250MSPS, THIRD HARMONIC
= 125MSPS, SECOND HARMONIC
= 125MSPS, THIRD HARMONIC
150
150
100
OUT
200
200
, 8× Interpolation over f
f
f
f
OUT
OUT
OUT
OUT
OUT
150
250
250
(MHz)
(MHz)
(MHz)
over f
over f
300
300
DATA
DATA
200
350
350
, 2× Interpolation,
, 4× Interpolation,
400
400
250
DATA
450
450
= 125 MSPS,
300
500
500
Rev. B | Page 15 of 72
Figure 11. Highest Digital Spur vs. f
Figure 10. Highest Digital Spur vs. f
Figure 9. Highest Digital Spur vs. f
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
0
0
0
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
50
50
f
f
f
DATA
DATA
f
f
DATA
DATA
DATA
50
100
100
= 200MSPS,
= 310MSPS,
= 125MSPS,
= 150MSPS,
= 250MSPS, 2
150
150
100
200
200
f
f
f
DATA
DATA
f
f
f
DATA
f
OUT
DATA
OUT
OUT
f
DATA
OUT
150
250
250
(MHz)
OUT
(MHz)
(MHz)
+
+
+
, 8× Interpolation, f
OUT
+
f
f
–
f
OUT
OUT
f
OUT
OUT
over f
f
over f
OUT
300
300
200
DATA
DATA
350
350
, 2× Interpolation,
, 4× Interpolation,
400
400
250
DATA
450
450
= 125 MSPS,
AD9148
300
500
500