AD9520 Analog Devices, Inc., AD9520 Datasheet - Page 21

• Manufacturer Part Number: AD9520
• Description: 12 Lvpecl/24 Cmos Output Clock Generator
• Manufacturer: Analog Devices, Inc.

–0.2
–0.6
–1.0
–0.4
–0.8
–1.2
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.0
0.6
0.2
1.2
0.8
0.4
Figure 14. LVPECL Differential Voltage Swing @ 1600 MHz
0
Figure 12. CMOS Output V
10k
0
0
0
Figure 13. LVPECL Output (Differential) @ 100 MHz
VS_DRV = 3.135V
VS_DRV = 2.35V
2
4
6
0.5
8
RESISTIVE LOAD (Ω)
10
OH
TIME (ns)
TIME (ns)
(Static) vs. R
12
1k
VS_DRV = 3.3V
VS_DRV = 2.5V
14
16
1.0
LOAD
18
(to Ground)
20
22
2
100
4
1
.5
Rev. 0 | Page 21 of 80
Figure 16. CMOS Output with 2 pF and 10 pF Load @ 250 MHz
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
2.0
1.8
1.6
1.4
1.2
1.0
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
Figure 17. LVPECL Differential Voltage Swing vs. Frequency
0
0
0
0
0
Figure 15. CMOS Output with 10 pF Load @ 25 MHz
10
1
0.5
20
2
30
3
1.0
FREQUENCY (GHz)
40
4
TIME (ns)
TIME (ns)
2pF LOAD
50
1.5
5
60
6
2.0
LOAD
70
10pF
7
8
8
0
AD9520-5
2.5
90
9
100
3
1
.0
0