CDCE62005 Datasheet, PDF (1/76 Pages) Texas Instruments – Five/Ten Output Clock Generator/Jitter Cleaner With Integrated Dual VCOs

CDCE62005
www.ti.com........................................................................................................................................................................................... SCAS862 – NOVEMBER 2008
Five/Ten Output Clock Generator/Jitter Cleaner
With Integrated Dual VCOs
FEATURES
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• Frequency Synthesizer With PLL/VCO and
Partially Integrated Loop Filter.
• Fully Configurable Outputs Including
Frequency, Output Format, and Output Skew.
• Smart Input Multiplexer Automatically
Switches Between One of Three Reference
Inputs.
• Multiple Operational Modes Include Clock
Generation via Crystal, SERDES Startup Mode,
Jitter Cleaning, and Oscillator Holdover Mode
• Integrated EEPROM Determines Device
Configuration at Power-up
• Excellent Jitter Performance
• Integrated Frequency Synthesizer including
PLL, Multiple VCOs, and Loop Filter:
– Full Programmability Facilitates Phase
Noise Performance Optimization Enabling
Jitter Cleaner Mode.
– Programmable Charge Pump Gain and
Loop Filter Settings
– Unique Dual-VCO Architecture Supports a
Wide Tuning Range 1.750 GHz–2.356 GHz
• Universal Output Blocks Support up to 5
Differential, 10 Single-ended, or Combinations
of Differential or Single-ended:
– 1 ps RMS (10 kHz to 20 MHz) Output Jitter
Performance
– Low Output Phase Noise: –130 dBc/Hz at 1
MHz offset, F_c = 491.52 MHz
– Output Frequency Ranges from 4.25 MHz to
1.175 GHz in Synthesizer Mode
– Output Frequency up to 1.5 GHz in Fan-out
Mode
– LVPECL, LVDS, LVCMOS, and Special High
Output Swing Modes
– Independent Output Dividers Support
Divide Ratios from 1–80⁽¹⁾
– Independent Coarse Skew Control on all
Outputs
(1) _{Non-continuous values supported.}
• Flexible Inputs With Innovative Smart
Multiplexer Feature:
– Two Universal Differential Inputs Accept
Frequencies up to 1500 MHz (LVPECL), 800
MHz (LVDS), or 250 MHz (LVCMOS).
– One Auxiliary Input Accepts Single Ended
Clock Source or Crystal. Auxiliary Input
Accepts Crystals in the Range of 2 MHz–42
MHz or an LVCMOS Input up to 75 MHz.
– Clock Generator Mode Using Crystal Input.
– Smart Input Multiplexer can be Configured
to Automatically Switch Between Highest
Priority Clock Source Available Allowing
for Fail-safe Operation and Holdover
Modes.
• Typical Power Consumption 1.7W
(See Table 44) at 3.3V
• Integrated EEPROM Stores Default Settings;
Therefore, The Device Can Power up in a
Known, Predefined State.
• Offered in QFN-48 Package
• ESD Protection Exceeds 2kV HBM
• Industrial Temperature Range –40°C to 85°C
APPLICATIONS
• Data Converter and Data Aggregation Clocking
• Wireless Infrastructure
• Switches and Routers
• Medical Electronics
• Military and Aerospace
• Industrial
• Clock Generation and Jitter Cleaning
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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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008, Texas Instruments Incorporated