LMK61E2EVM Ultra-Low-Jitter Programmable Oscillator Evaluation Module


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The LMK61E2EVM evaluation modules provides a complete platform to evaluate the 90-fs RMS jitter performance and configurability of the Texas Instruments LMK61E2 Ultra-Low Jitter Programmable Differential Oscillator with integrated EEPROM and frequency margining capabilities.

The LMK61E2EVM can be used as a  high performance clock source for jitter criticial applications and can easily be customized to any user desired frequency and output format. The onboard USB to I2C interface allows for device configuration via a software graphical user interface (GUI) and requires no external input or power for device operation. The edge-launch SMA ports provide access to the LMK61E2’s differential clock output for interfacing to test equipment or reference boards using commercially available coaxial cables, adapters, or baluns (not included).

  • Ultra low jitter differential clock generation
  • Powered over USB or externally (SMA connector)
  • Onboard USB to I2C interface
  • Coarse and Fine Frequency margining
  • GUI platform for full access to LMK03328 registers and EEPROM

  • LMK61E2EVM
  • 3-ft. USB cable, Q362-ND

LMK61E08 Ultra-low jitter programmable oscillator with internal EEPROM LMK61E2 156.250-MHz, ±50 ppm, ultra-low jitter, integrated EEPROM, fully programmable oscillator


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Evaluation board

LMK61E2EVM — LMK61E2EVM Ultra-Low-Jitter Programmabler Oscillator Evaluation Module

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Software programming tool

LMK61xx Oscillator Programming Tool — SNAC074.ZIP (3782KB)

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Technical documentation

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Type Title Date
* EVM User's guide LMK61E2EVM, LMK61E0MEVM User's Guide (Rev. B) 10 Aug 2017
Certificate LMK61E2EVM EU Declaration of Conformity (DoC) 02 Jan 2019
Data sheet LMK61E2 Ultra-Low Jitter Programmable Oscillator With Internal EEPROM datasheet (Rev. B) PDF | HTML 03 Feb 2017
Technical article How to select an optimal clocking solution for your FPGA-based design 09 Dec 2015

Related design resources

Hardware development

LMK03328EVM LMK03328EVM Ultra-Low-Jitter Clock Generator EVM With 2 PLLs, 8 Differential Outputs, and 2 Inputs

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