AD9520-3BCPZ Analog Devices Inc, AD9520-3BCPZ Datasheet - Page 22

• Manufacturer Part Number: AD9520-3BCPZ
• Description: 12/24 Channel Clock Gen 2,0GH
• Manufacturer: Analog Devices Inc
• Type: Clock Generator, Fanout Distributionr

Specifications of AD9520-3BCPZ

• Design Resources: Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers (CN0121) Phase Coherent FSK Modulator (CN0186)
• Pll: Yes
• Input: CMOS, LVDS, LVPECL
• Output: CMOS, LVPECL
• Number Of Circuits: 1
• Ratio - Input:output: 2:12, 2:24
• Differential - Input:output: Yes/Yes
• Frequency - Max: 2.25GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LFCSP
• Frequency-max: 2.25GHz
• Function: Clock Generator
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Package Type: LFCSP EP
• Pin Count: 64
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9520-3
Figure 12. PLL Figure of Merit (FOM) vs. Slew Rate at REFIN/ REFIN
–208
–210
–212
–214
–216
–218
–220
–222
–224
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.9
1.7
1.5
1.3
1.1
0.9
0
100
1.7
Figure 14. PFD/CP Spurs; 122.88 MHz; PFD = 15.36 MHz;
0
SINGLE-ENDED INPUT
LBW = 127 kHz; I
Figure 13. VCO Tuning Voltage vs. Frequency
105
0.2
DIFFERENTIAL INPUT
1.8
110
0.4
INPUT SLEW RATE (V/ns)
115
1.9
CP
FREQUENCY (GHz)
FREQUENCY (MHz)
= 3.0 mA; f
0.6
120
2.0
125
0.8
VCO
= 1966.08 MHz
130
2.1
1.0
135
2.2
1.2
140
145
1.4
2.3
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Figure 15. Output Spectrum, LVPECL; 122.88 MHz; PFD = 15.36 MHz;
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–0.4
–0.8
–1.2
122.38
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.2
0.8
0.4
0
0
Figure 16. CMOS Output V
10k
0
0
Figure 17. LVPECL Output (Differential) @ 100 MHz
LBW = 127 kHz; I
VS_DRV = 3.135V
VS_DRV = 2.35V
2
122.58
4
6
8
FREQUENCY (MHz)
RESISTIVE LOAD (Ω)
122.78
CP
= 3.0 mA; f
10
OH
TIME (ns)
(Static) vs. R
12
1k
VS_DRV = 3.3V
VS_DRV = 2.5V
122.98
14
VCO
= 1966.08 MHz
16
LOAD
18
123.18
(to Ground)
20
22
123.38
2
4
100