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AD768AR Datasheet(PDF) 9 Page - Analog Devices

Part # AD768AR
Description  16-Bit, 30 MSPS D/A Converter
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD768AR Datasheet(HTML) 9 Page - Analog Devices

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AD768
REV. B
–9–
Typical Performance Curves––AD768
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
TIME – 5ns/Div
RL = 50Ω
VOUT = 0 TO –1V
Figure 14. Rise and Fall
Characteristics
10k
2.0M
1.0M
FREQUENCY – Hz
CLOCK = 10MHz
FOUT = 1.002MHz
AMPLITUDE = 0dBm
0
–20
–40
–60
–80
–100
Figure 17. Typical SFDR
(With a Window)
FREQUENCY – Hz
0
–100
150
350
190
230
270
310
–60
–80
–40
–20
CLOCK = 10 MHz
F
OUT1 = 240 kHz
F
OUT2 = 260 kHz
AMPLITUDE = –6.0 dB FS
PER TONE
OUTPUT IOUTB
R
L = 50Ω
Figure 20. Intermodulation
Distortion
RL = 50Ω
VOUT = 0 TO –1V
–0.470
–0.472
–0.474
–0.476
–0.478
–0.480
–0.482
TIME – 2ns/Div
Figure 13. Glitch Impulse at Major
Carry
5
0.1
3
24
1
FREQUENCY – MHz
0
–20
–40
–60
–80
–100
CLOCK = 10MHz
FOUT = 1.002MHz
AMPLITUDE = 0dBm
OUTPUT IOUTB
RL = 50Ω
Figure 16. Typical Spectral
Performance
FREQUENCY – MHz
–80
–75
–50
0.01
0.1
10
1
–65
–60
–55
–70
CLOCK = 1MHz
CLOCK = 10MHz
CLOCK = 20MHz
CLOCK = 30MHz
CLOCK = 40MHz
Figure 19. THD vs. FOUT
Figure 12. Settling Time
FREQUENCY – MHz
–80
–75
–50
420
40
–65
–60
–55
–70
56 7 8 9 10
30
RL = 50Ω
VOUT = 0 TO –1V
Figure 15. THD vs. Clock Frequency
at FOUT = 1 MHz
1
10
FREQUENCY – MHz
CLOCK = 30MHz
CLOCK = 20MHz
–86
–82
–50
–78
–74
–70
–66
–62
–58
–54
CLOCK = 10MHz
Figure 18. SFDR (Within a Window)
vs. FOUT
–0.9405
–0.9443
–0.9415
–0.9424
–0.9433
–0.9453
–0.9500
–0.9462
–0.9472
–0.9498
–0.9481
12
24
36
14 16 18 20 22
34
26 28 30 32
1.00
0.60
0.90
0.80
0.70
0.50
0.10
0.40
0.30
0.20
0.025
0.05
TIME – ns
RL = 50Ω
VOUT = 0 TO –1V



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