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具有集成 PLL 和 3 个 LVDS/5 个 LVPECL 输出的 1 至 800MHz 精密时钟分配器
Function Clock generator
Number of outputs 8
Output frequency (Max) (MHz) 800
Core supply voltage (V) 3.3
Output supply voltage (V) 3.3
Input type LVCMOS, LVPECL
Output type LVDS
Operating temperature range (C) -40 to 85
Features Integrated integer-N PLL, uWire
Rating Catalog
  • 20 fs Additive Jitter
  • Integrated Integer-N PLL with Outstanding Normalized Phase Noise Contribution of -224 dBc/Hz
  • Clock Output Frequency Range of 1 to 800 MHz
  • 3 LVDS and 5 LVPECL Clock Outputs
  • Dedicated Divider and Delay Blocks on Each Clock Output
  • 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)

The LMK02000 precision clock conditioner combines the functions of jitter cleaning/reconditioning, multiplication, and distribution of a reference clock. The device integrates a high performance Integer-N Phase Locked Loop (PLL), three LVDS, and five LVPECL clock output 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. This allows multiple integer-related and phase-adjusted copies of the reference to be distributed to eight system components.

The clock conditioner comes in a 48-pin WQFN package and is footprint compatible with other clocking devices in the same family.