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CDC7005RGZR Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças CDC7005RGZR
Descrição Electrónicos  3.3-V HIGH PERFORMANCE CLOCK SYNTHSIZER AND JITTER CLEANER
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

CDC7005RGZR Folha de dados(HTML) 1 Page - Texas Instruments

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CDC7005
3.3V HIGH PERFORMANCE CLOCK SYNTHESIZER AND JITTER CLEANER
SCAS685L− DECEMBER 2002 − REVISED JUNE 2009
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D High Performance 1:5 PLL Clock
Synchronizer
D Two Clock Inputs: VCXO_IN Clock Is
Synchronized To REF_IN Clock
D Synchronizes Frequencies Up To 800 MHz
(VCXO_IN)
D Supports Five Differential LVPECL Outputs
D Each Output Frequency Is Selectable By
x1, /2, /4, /8, /16
D All Outputs Are Synchronized
D Integrated Low-Noise OPA For External
Low-Pass Filter
D Efficient Jitter Screening From Low PLL
Loop Bandwidth
D Low-Phase Noise Characteristic
D Programmable Delay For Phase
Adjustments
D Predivider Loop BW Adjustment
D SPI Controllable Division Setting
D Power-Up Control Forces LVPECL Outputs
to 3-State at VCC
< 1.5 V
D 3.3-V Power Supply
D Packaged In 64-Pin BGA (0,8 mm Pitch −
ZVA) or 48-Pin QFN (RGZ)
D Industrial Temperature Range –40°C
To 85
°C
description
The CDC7005 is a high-performance, low-phase
noise, and low-skew clock synthesizer and jitter
cleaner that synchronizes the voltage controlled
crystal oscillator (VCXO) frequency to the
reference clock. The programmable predividers
M and N give a high flexibility to the frequency ratio
of the reference clock to VCXO: VCXO_IN/
REF_IN = (NxP)/M. The VCXO_IN clock operates
up to 800 MHz. Through the selection of external
VCXO and loop filter components, the PLL loop bandwidth and damping factor can be adjusted to meet different
system requirements. Each of the five differential LVPECL outputs are programmable by the serial peripheral
interface (SPI). The SPI allows individual control of frequency and enable/disable state of each output. The
device operates in 3.3-V environment. The built-in latches ensure that all outputs are synchronized.
The CDC7005 is characterized for operation from –40
°C to 85°C.
Copyright
 2009, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
TERMINAL ASSIGNMENTS
(TOP VIEW)
CTRL_LE
CTRL_
CLK
CTRL_
DATA
CP_OUT
OPA_IN
OPA_IP
OPA_OUT
STATUS_
LOCK
REF_IN
GND
GND
GND
GND
GND
GND
GND
I_REF
GND
STATUS_
REF
VCXO_IN
GND
GND
GND
GND
GND
STATUS_
VCXO
VCXO_IN
B
GND
Y0
GND
GND
GND
GND
GND
Y4B
Y0B
Y4
NPD
Y1
Y1B
Y2
Y2B
Y3
Y3B
NRESET
1
2
3
4
5
6
7
8
A
B
C
D
E
F
G
H
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
AVCC
AVCC
AVCC
AVCC
AVCC
1
13
12
24
25
36
37
48
Top View
Thermal Pad
must be
soldered to
GND
GND
VCC
VCC
VCC
VCC
Y4
VCC
NRESET
VCC
AVCC
AVCC
I_REF
VCC
VCC
VCC
Y0
VCC
STATUS_REF
STATUS_VCXO
REF_IN
VCXO_IN
VCXO_INB
Y0B
Y4B


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