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LMX2541 Datasheet Ultra-low Noise Pllatinum Frequency Synthesizer

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & munity LMX2541 SNOSB31J – JULY 2009 – REVISED DECEMBER 2014 LMX2541 Ultra-Low Noise PLLatinum Frequency Synthesizer With Integrated VCO.

General Description

The LMX2541 device is an ultra low-noise frequency synthesizer which integrates a high-performance delta-sigma fractional N PLL, a VCO with fully integrated tank circuit, and an optional frequency divider.

The PLL offers an unprecedented normalized noise floor of –225 dBc/Hz and can be operated with up to 104 MHz of phase-detector rate (parison frequency) in both integer and fractional modes.

The PLL can also be configured to work with an external VCO.

Key Features

  • 1 Multiple Frequency Options Available (See Device Comparison Table).
  • Frequencies From 31.6 MHz to 4000 MHz.
  • Very Low RMS Noise and Spurs.
  • 225 dBc/Hz Normalized PLL Phase Noise.
  • Integrated RMS Noise (100 Hz to 20 MHz).
  • 2 mRad (100 Hz to 20 MHz) at 2.1 GHz.
  • 3.5 mRad (100 Hz to 20 MHz) at 3.5 GHz.
  • Ultra Low-Noise Integrated VCO.
  • External VCO Option (Internal VCO Bypassed).
  • VCO Frequency Divider 1 to.

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National Semiconductor Corporation Logo LMX2541 High Performance Frequency Synthesizer System National Semiconductor Corporation

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