AD9520-1 Analog Devices, Inc., AD9520-1 Datasheet - Page 5

• Manufacturer Part Number: AD9520-1
• Description: 12 Lvpecl/24 Cmos Output Clock Generator With Integrated 2.5 Ghz Vco
• Manufacturer: Analog Devices, Inc.

Parameter
PHASE/FREQUENCY DETECTOR (PFD)
CHARGE PUMP (CP)
PRESCALER (PART OF N DIVIDER)
PLL N DIVIDER DELAY
PLL R DIVIDER DELAY
PFD Input Frequency
Reference Input Clock Doubler Frequency
Antibacklash Pulse Width
I
I
Sink-and-Source Current Matching
I
I
Prescaler Input Frequency
Prescaler Output Frequency
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
Crystal Oscillator
CP
CP
CP
CP
Maximum Crystal Motional Resistance
High Value
Low Value
Absolute Accuracy
CPRSET Range
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)
Crystal Resonator Frequency Range
Sink/Source
High Impedance Mode Leakage
vs. V
vs. Temperature
CP
Min
16.67
0.004
2.7
Typ
1.3
2.9
6.0
4.8
0.60
1
1
1.5
2
Off
410
530
650
770
890
1010
1130
Off
370
490
610
730
850
970
1090
2.5
Rev. 0 | Page 5 of 84
Max
33.33
30
100
45
50
10
300
600
900
600
1000
2400
3000
3000
300
Unit
MHz
MHz
kΩ
MHz
Ω
MHz
ns
ns
ns
mA
mA
%
nA
%
%
%
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
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 I
changing CPRSET
With CPRSET = 5.1 kΩ; lower I
changing CPRSET
Charge pump voltage set to V
0.5 V < V
pump) pin; VCP is the voltage on the VCP power supply pin
0.5 V < V
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
CP
= VCP/2 V
CP
CP
< VCP − 0.5 V; V
< VCP − 0.5 V
CP
is the voltage on the CP (charge
CP
CP
CP
/2
is possible by
is possible by
AD9520-1