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LMX2531 - High-Performance Frequency Synthesizer System

General Description

The LMX2531 is a low-power, high-performance frequency synthesizer system which includes a fully integrated delta-sigma PLL and VCO with fully integrated tank circuit.

The third and fourth poles are also integrated and adjustable.

Key Features

  • 1 Multiple Frequency Options Available.
  • See Device Information Table.
  • Frequencies From: 553 MHz to 3132 MHz.
  • PLL Features.
  • Fractional-N Delta-Sigma Modulator Order Programmable up to Fourth Order.
  • FastLock/Cycle Slip Reduction with Timeout Counter.
  • Partially Integrated, Adjustable Loop Filter.
  • Very Low Phase Noise and Spurs.
  • VCO Features.
  • Integrated Tank Inductor.
  • Low Phase Noise.
  • Other Fe.

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Other Datasheets by Texas Instruments

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMX2531 SNAS252S – OCTOBER 2005 – REVISED DECEMBER 2014 LMX2531 High-Performance Frequency Synthesizer System With Integrated VCO 1 Features •1 Multiple Frequency Options Available – See Device Information Table – Frequencies From: 553 MHz to 3132 MHz • PLL Features – Fractional-N Delta-Sigma Modulator Order Programmable up to Fourth Order – FastLock/Cycle Slip Reduction with Timeout Counter – Partially Integrated, Adjustable Loop Filter – Very Low Phase Noise and Spurs • VCO Features – Integrated Tank Inductor – Low Phase Noise • Other Features – 2.8-V to 3.2-V Operation – Low Operating Current – Low Power-Down Current – 1.8-V MICROWIRE Support – 36-Pin 6-mm × 6-mm × 0.