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CDCM61002 Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças CDCM61002
Descrição Electrónicos  Two Output, Integrated VCO, Low-Jitter Clock Generator
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

CDCM61002 Folha de dados(HTML) 1 Page - Texas Instruments

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CDCM61002
www.ti.com
SCAS870D – FEBRUARY 2009 – REVISED JULY 2010
Two Output, Integrated VCO, Low-Jitter Clock Generator
Check for Samples: CDCM61002
1
FEATURES
Low Output Skew of 20 ps on LVPECL Outputs
2
One Crystal/LVCMOS Reference Input
Divider Programming Using Control Pins:
Including 24.8832 MHz, 25 MHz, and
Two Pins for Prescaler/Feedback Divider
26.5625 MHz
Three Pins for Output Divider
Input Frequency Range: 21.875 MHz to
Two Pins for Output Select
28.47 MHz
Chip Enable Control Pin Available
On-Chip VCO Operates in Frequency Range of
3.3-V Core and I/O Power Supply
1.75 GHz to 2.05 GHz
Industrial Temperature Range: –40°C to +85°C
2x Output Available:
5-mm × 5-mm, 32-pin, QFN (RHB) Package
Pin-Selectable Between LVPECL, LVDS, or
ESD Protection Exceeds 2 kV (HBM)
2-LVCMOS; Operates at 3.3 V
LVCMOS Bypass Output Available
APPLICATIONS
Output Frequency Selectable by /1, /2, /3, /4, /6,
Low Jitter Clock Driver for High-End Datacom
/8 from a Single Output Divider
Applications Including SONET, Ethernet, Fibre
Supports Common LVPECL/LVDS Output
Channel, Serial ATA, and HDTV
Frequencies:
Cost-Effective High-Frequency Crystal
Oscillator Replacement
62.5 MHz, 74.25 MHz, 75 MHz, 77.76 MHz,
100 MHz, 106.25 MHz, 125 MHz, 150 MHz,
155.52 MHz, 156.25 MHz, 159.375 MHz,
187.5 MHz, 200 MHz, 212.5 MHz, 250 MHz,
DESCRIPTION
311.04 MHz, 312.5 MHz, 622.08 MHz,
The CDCM61002 is a highly versatile, low-jitter
625 MHz
frequency synthesizer that can generate two low-jitter
Supports Common LVCMOS Output
clock
outputs,
selectable
between
low-voltage
Frequencies:
positive emitter coupled logic (LVPECL), low-voltage
differential
signaling
(LVDS),
or
low-voltage
62.5 MHz, 74.25 MHz, 75 MHz, 77.76 MHz,
complementary
metal
oxide
semiconductor
100 MHz, 106.25 MHz, 125 MHz, 150 MHz,
(LVCMOS) outputs, from a low-frequency crystal or
155.52 MHz, 156.25 MHz, 159.375 MHz,
LVCMOS input for a variety of wireline and data
187.5 MHz, 200 MHz, 212.5 MHz, 250 MHz
communication
applications.
The
CDCM61002
Output Frequency Range: 43.75 MHz to
features
an
onboard
PLL
that
can
be
easily
683.264 MHz (See Table 3)
configured solely through control pins. The overall
output random jitter performance is less than 1ps,
Internal PLL Loop Bandwidth: 400 kHz
RMS (from 10 kHz to 20 MHz), making this device a
High-Performance PLL Core:
perfect choice for use in demanding applications such
Phase Noise typically at –146 dBc/Hz at
as SONET, Ethernet, Fibre Channel, and SAN. The
5-MHz Offset for 625-MHz LVPECL Output
CDCM61002 is available in a small, 32-pin, 5-mm ×
5-mm QFN package.
Random Jitter typically at 0.509 ps, RMS
(10 kHz to 20 MHz) for 625-MHz LVPECL
Output
Output Duty Cycle Corrected to 50% (± 5%)
1
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.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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