LMK04011 - Texas Instruments

LMK04011 Family Low-Noise Clock Jitter Cleaner

The LMK04000 family of precision clock conditioners provides low-noise jitter cleaning, clock multiplication and distribution without the need for high-performance voltage controlled crystal oscillators (VCXO) module. Using a cascaded PLLatinum™ architecture combined with an external crystal and varactor diode, the LMK04000 family provides sub-200 femtosecon.

Features

1
•23 Cascaded PLLatinum™ PLL Architecture
  – PLL1
  – Phase Detector Rate of up to 40 MHz
  – Integrated Low-Noise Crystal Oscillator Circuit
  – Dual Redundant Input Reference Clock with LOS
  – PLL2
  – Normalized [1 Hz] PLL Noise Floor of 224 dBc/Hz
  – Phase Detector Rate up to 100 MHz
  – Input Frequency-Doubler
  – Integrated Low-Noise VCO
• Ultra-Low RMS Jitter Performance
  – 150 fs RMS Jitter (12 kHz
  – 20 MHz)
  – 200 fs RMS Jitter (100 Hz
  – 20 MHz)
• LVPECL/2VPECL, LVDS, and LVCMOS outputs
• Support Clock Rates up to 1080 MHz
• Default Clock Output (CLKout2) at power up
• Five Dedicated Channel Divider.