參數(shù)資料
型號: AD9520-5BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 6/76頁
文件大小: 0K
描述: IC CLOCK GEN EXT VCO 64-LFCSP
設計資源: Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers (CN0121)
Phase Coherent FSK Modulator (CN0186)
標準包裝: 1
類型: 時鐘發(fā)生器,扇出配送
PLL:
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:12,2:24
差分 - 輸入:輸出: 是/是
頻率 - 最大: 2.4GHz
除法器/乘法器: 是/無
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應商設備封裝: 64-LFCSP-VQ(9x9)
包裝: 托盤
產(chǎn)品目錄頁面: 776 (CN2011-ZH PDF)
AD9520-5
Data Sheet
Rev. A | Page 14 of 76
PD, SYNC, EEPROM, AND RESET PINS
Table 12.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
INPUT CHARACTERISTICS
Each pin has a 30 kΩ internal pull-up resistor
Logic 1 Voltage
2.0
V
Logic 0 Voltage
0.8
V
Logic 1 Current
1
A
Logic 0 Current
110
A
The minus sign indicates that current is flowing out of
the AD9520, which is due to the internal pull-up resistor
Capacitance
2
pF
RESET TIMING
Pulse Width Low
500
ns
RESET Inactive to Start of Register
Programming
100
ns
SYNC TIMING
Pulse Width Low
1.3
ns
High speed clock is CLK input signal
SERIAL PORT SETUP PINS—SP1, SP0
Table 13.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
SP1, SP0
These pins do not have internal pull-up/pull-down
resistors
Logic Level 0
0.25 × VS
V
VS is the voltage on the VS pin
Logic Level
0.4 × VS
0.65 × VS
V
These pins can be floated to obtain Logic Level ; if
floating the pin, connect a capacitor to ground
Logic Level 1
0.8 × VS
V
LD, STATUS, AND REFMON PINS
Table 14.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
OUTPUT CHARACTERISTICS
When selected as a digital output (CMOS); there are
other modes in which these pins are not CMOS digital
outputs; see Table 48, Register 0x017, Register 0x01A,
and Register 0x01B
Output Voltage High, VOH
2.7
V
Output Voltage Low, VOL
0.4
V
MAXIMUM TOGGLE RATE
100
MHz
Applies when mux is set to any divider or counter
output or PFD up/down pulse; also applies in analog
lock detect mode; usually debug mode only; beware that
spurs can couple to output when any pin is toggling
ANALOG LOCK DETECT
Capacitance
3
pF
On-chip capacitance; used to calculate RC time
constant for analog lock detect readback; use a pull-up
resistor
REF1, REF2, AND CLK FREQUENCY
STATUS MONITOR
Normal Range
1.02
MHz
Frequency above which the monitor indicates the
presence of the reference
Extended Range
8
kHz
Frequency above which the monitor indicates the
presence of the reference
LD PIN COMPARATOR
Trip Point
1.6
V
Hysteresis
260
mV
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