參數(shù)資料
型號: AD9520-5/PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 45/76頁
文件大小: 0K
描述: BOARD EVAL FOR AD9520-5
設計資源: Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers (CN0121)
Phase Coherent FSK Modulator (CN0186)
AD9520 Eval Brd Schematic
AD9520 BOM
標準包裝: 1
主要目的: 計時,時鐘發(fā)生器
已用 IC / 零件: AD9520-5
已供物品:
Data Sheet
AD9520-5
Rev. A | Page 5 of 76
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
PHASE/FREQUENCY DETECTOR (PFD)
PFD Input Frequency
100
MHz
Antibacklash pulse width = 1.3 ns
45
MHz
Antibacklash pulse width = 2.9 ns
Reference Input Clock Doubler Frequency
0.004
50
MHz
Antibacklash Pulse Width
1.3
ns
Register 0x017[1:0] = 01b
2.9
ns
Register 0x017[1:0] = 00b; Register 0x017[1:0] = 11b
6.0
ns
Register 0x017[1:0] = 10b
CHARGE PUMP (CP)
CPV is the CP pin voltage; VCP is the charge pump
power supply voltage (VCP pin)
ICP Sink/Source
Programmable
High Value
4.8
mA
With CPRSET = 5.1 kΩ; higher ICP is possible by
changing CPRSET
Low Value
0.60
mA
With CPRSET = 5.1 kΩ; lower ICP is possible by
changing CPRSET
Absolute Accuracy
2.5
%
CPV = VCP/2
CPRSET Range
2.7
10
ICP High Impedance Mode Leakage
1
nA
Sink-and-Source Current Matching
1
%
0.5 V < CPV< VCP 0.5 V; CPVis the CP pin voltage;
VCP is the charge pump power supply voltage
(VCP pin)
ICP vs. VCP
1.5
%
0.5 V < CPV < VCP 0.5 V
ICP vs. Temperature
2
%
CPV = VCP /2
PRESCALER (PART OF N DIVIDER)
Prescaler Input Frequency
P = 1 FD
300
MHz
P = 2 FD
600
MHz
P = 3 FD
900
MHz
P = 2 DM (2/3)
200
MHz
P = 4 DM (4/5)
1000
MHz
P = 8 DM (8/9)
2400
MHz
P = 16 DM (16/17)
3000
MHz
P = 32 DM (32/33)
3000
MHz
Prescaler Output Frequency
300
MHz
A, B counter input frequency (prescaler input
frequency divided by P)
PLL N DIVIDER DELAY
Register 0x019[2:0]; see Table 48
000
Off
001
385
ps
010
486
ps
011
623
ps
100
730
ps
101
852
ps
110
976
ps
111
1101
ps
PLL R DIVIDER DELAY
Register 0x019[5:3]; see Table 48
000
Off
001
365
ps
010
486
ps
011
608
ps
100
730
ps
101
852
ps
110
976
ps
111
1101
ps
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