LMK03200 Precision 0-Delay Clock Conditioner with Integrated VCO | TI.com

LMK03200
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Precision 0-Delay Clock Conditioner with Integrated VCO

 

Recommended alternative parts

  • LMK01000  -  Distribution, Divide, And Delay Only
  • LMK02000  -  Includes PLL For Use With External VCO/VCXO.

Description

The LMK03200 family of precision clock conditioners combine the functions of jitter cleaning/reconditioning, multiplication, and 0-delay distribution of a reference clock. The devices integrate a Voltage Controlled Oscillator (VCO), a high performance Integer-N Phase Locked Loop (PLL), a partially integrated loop filter, and up to eight outputs in various LVDS and LVPECL combinations.

The VCO output is optionally accessible on the Fout port. Internally, the VCO output goes through a VCO divider to feed the various clock distribution blocks.

Each clock distribution block includes a programmable divider, a phase synchronization circuit, a programmable delay, a clock output mux, and an LVDS or LVPECL output buffer. The PLL also features delay blocks to permit global phase adjustment of clock output phase. This allows multiple integer-related and phase-adjusted copies of the reference to be distributed to eight system components.

The clock conditioners come in a 48-pin WQFN package and are footprint compatible with other clocking devices in the same family.


Features

  • Integrated VCO with Very Low Phase Noise Floor
  • Integrated Integer-N PLL with Outstanding Normalized Phase Noise Contribution of -224 dBc/Hz
  • VCO Divider Values of 2 to 8 (All Divides)
    • Bypassable with VCO Mux When Not in 0-delay Mode
  • Channel Divider Values of 1, 2 to 510 (Even Divides)
  • LVDS and LVPECL Clock Outputs
  • Partially Integrated Loop Filter
  • Dedicated Divider and Delay Blocks on Each Clock Output
  • 0-delay Outputs
  • Internal or External Feedback of Output Clock
  • Delay Blocks on N and R Phase Detector Inputs for Lead/Lag Global Skew Adjust
  • Pin Compatible Family of Clocking Devices
  • 3.15 to 3.45 V Operation
  • Package: 48 Pin WQFN (7.0 x 7.0 x 0.8 mm)
  • 200 fs RMS Clock Generator Performance (10 Hz to 20 MHz) with a clean input clock

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Design with LMK03200

Recommend Input Frequency Output Frequencies
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Input Frequency  MHz
 MHz  MHz

Parametrics

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Part number Order Input type Number of outputs Output frequency (Max) (MHz) Programmability Operating temperature range (C) Output type Features VCC out (V) VCC core (V)
LMK03200 Order now LVCMOS
LVPECL   LVCMOS
LVPECL    
9   9     1296   1296     uWire   uWire     -40 to 85   -40 to 85     LVDS
LVPECL   LVDS
LVPECL    
Integrated VCO   Integrated VCO     3.3   3.3     3.3   3.3    
LMK03200 Order now LVCMOS
LVPECL   LVCMOS
LVPECL    
9   9     1296   1296     uWire   uWire     -40 to 85   -40 to 85     LVDS
LVPECL   LVDS
LVPECL    
Integrated VCO   Integrated VCO     3.3   3.3     3.3   3.3