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Precision 0-delay clock conditioner with integrated VCO

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LMK03200ISQ/NOPB General 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.

Texas Instruments, Inc Inventory

Key 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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Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory


Function Clock generator Number of outputs 9
Output frequency (max) (MHz) 1296 Core supply voltage (V) 3.3
Output supply voltage (V) 3.3 Input type LVCMOS, LVPECL
Output type LVDS, LVPECL Operating temperature range (°C) -40 to 85
Features Integrated VCO, uWire Rating Catalog
feature-maximum-operating-supply-voltage-v 3.45 feature-minimum-operating-supply-voltage-v 3.15
feature-packaging Tape and Reel feature-rad-hard
feature-pin-count 48 feature-supplier-package WQFN EP
feature-standard-package-name1 QFN feature-cecc-qualified No
feature-esd-protection feature-escc-qualified
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-auto-motive No
feature-p-pap No feature-eccn-code EAR99
feature-svhc Yes feature-svhc-exceeds-threshold No

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