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AD9520-4 データシートの表示(PDF) - Analog Devices

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AD9520-4 12 LVPECL/24 CMOS Output Clock Generator with Integrated 1.6 GHz VCO ADI
Analog Devices ADI
AD9520-4 Datasheet PDF : 84 Pages
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AD9520-4
Parameter
Crystal Oscillator
Crystal Resonator Frequency Range
Maximum Crystal Motional Resistance
PHASE/FREQUENCY DETECTOR (PFD)
PFD Input Frequency
Reference Input Clock Doubler Frequency
Antibacklash Pulse Width
CHARGE PUMP (CP)
ICP Sink/Source
High Value
Min Typ
16.67
0.004
1.3
2.9
6.0
4.8
Max Unit
33.33 MHz
30
Ω
100 MHz
45
MHz
50
MHz
ns
ns
ns
mA
Low Value
0.60
mA
Absolute Accuracy
CPRSET Range
ICP High Impedance Mode Leakage
Sink-and-Source Current Matching
2.5
%
2.7
10
1
nA
1
%
ICP vs. VCP
ICP vs. Temperature
PRESCALER (PART OF N DIVIDER)
Prescaler Input Frequency
P = 1 FD
P = 2 FD
P = 3 FD
P = 2 DM (2/3)
P = 4 DM (4/5)
P = 8 DM (8/9)
P = 16 DM (16/17)
P = 32 DM (32/33)
Prescaler Output Frequency
1.5
%
2
%
300 MHz
600 MHz
900 MHz
600 MHz
1000 MHz
2400 MHz
3000 MHz
3000 MHz
300 MHz
PLL N DIVIDER DELAY
000
001
010
011
100
101
110
111
PLL R DIVIDER DELAY
000
001
010
011
100
101
110
111
Off
410
ps
530
ps
650
ps
770
ps
890
ps
1010
ps
1130
ps
Off
370
ps
490
ps
610
ps
730
ps
850
ps
970
ps
1090
ps
Test Conditions/Comments
Antibacklash pulse width = 1.3 ns, 2.9 ns
Antibacklash pulse width = 6.0 ns
Antibacklash pulse width = 1.3 ns, 2.9 ns
0x017[1:0] = 01b
0x017[1:0] = 00b; 0x017[1:0] = 11b
0x017[1:0] = 10b
Programmable
With CPRSET = 5.1 kΩ; higher ICP is possible by
changing CPRSET
With CPRSET = 5.1 kΩ; lower ICP is possible by
changing CPRSET
Charge pump voltage set to VCP/2
0.5 < VCP < VCP − 0.5 V; VCP is the voltage on the CP (charge
pump) pin; VCP is the voltage on the VCP power supply pin
0.5 < VCP < VCP − 0.5 V
VCP = VCP/2 V
A, B counter input frequency (prescaler input
frequency divided by P)
Register 0x019[2:0]; see Table 53
Register 0x019[5:3]; see Table 53
Rev. 0 | Page 5 of 84
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