AD9522-2 Analog Devices, Inc., AD9522-2 Datasheet - Page 21
![no-image](/images/no-image-200.jpg)
AD9522-2
Manufacturer Part Number
AD9522-2
Description
12 Lvds/24 Cmos Output Clock Generator With Integrated 2.2 Ghz Vco
Manufacturer
Analog Devices, Inc.
Datasheet
1.AD9522-2.pdf
(84 pages)
- Current page: 21 of 84
- Download datasheet (2Mb)
Figure 12. PLL Figure of Merit (FOM) vs. Slew Rate at REFIN/ REFIN
–100
–110
–208
–210
–212
–214
–216
–218
–220
–222
–224
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
0
100
2.0
Figure 14. PFD/CP Spurs; 122.88 MHz; PFD = 15.36 MHz;
0
SINGLE-ENDED INPUT
Figure 13. VCO Tuning Voltage vs. Frequency
LBW = 127 kHz; I
105
0.2
DIFFERENTIAL INPUT
110
2.1
0.4
INPUT SLEW RATE (V/ns)
115
FREQUENCY (MHz)
FREQUENCY (GHz)
CP
= 3.0 mA; f
0.6
120
2.2
125
0.8
VCO
130
= 2212 MHz
1.0
2.3
135
1.2
140
145
1.4
2.4
Rev. 0 | Page 21 of 84
Figure 15. Output Spectrum, LVDS; 122.88 MHz; PFD = 15.36 MHz;
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–0.1
–0.2
–0.3
–0.4
122.38
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.4
0.3
0.2
0.1
0
0
0
Figure 16. CMOS Output V
10k
0
Figure 17. LVDS Output (Differential) @ 100 MHz,
Output Terminated 100 Ω Across Differential Pair
VS_DRV = 3.135V
VS_DRV = 2.35V
1
LBW = 127 kHz; I
2
122.58
3
4
5
FREQUENCY (MHz)
RESISTIVE LOAD (Ω)
122.78
CP
6
= 3.0 mA; f
OH
TIME (ns)
7
(Static) vs. R
1k
8
122.98
VS_DRV = 3.3V
VS_DRV = 2.5V
VCO
9
= 2212 MHz
10
LOAD
11
123.18
(to Ground)
12
AD9522-2
13
14
123.38
100
1
5
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