LMK61E2EVM

LMK61E2EVM Ultra-Low-Jitter Programmable Oscillator Evaluation Module

LMK61E2EVM

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Overview

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).

Features
  • 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

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

 

ESD protection & TVS surge diodes
TPD4E004 Quad 0.8-pF, 5.5-V, ±8-kV ESD protection diode with with VCC pin for High Speed Interfaces

 

Linear regulators (LDO)
LP5900 150-mA, low-noise, low-IQ, low-dropout voltage regulator with enable LP5907 250-mA, low-noise, high-PSRR, ultra-low-dropout voltage regulator with low IQ and enable

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Evaluation board

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

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide LMK61E2EVM, LMK61E0MEVM User's Guide (Rev. B) Aug. 10, 2017
More literature LMK61E2EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Datasheet LMK61E2 Ultra-Low Jitter Programmable Oscillator With Internal EEPROM datasheet (Rev. B) Feb. 03, 2017
Technical article How to select an optimal clocking solution for your FPGA-based design Dec. 09, 2015
User guide CodeLoader 4 Operating Instructions User's Guide (Rev. A) Jul. 21, 2014

Related design resources

Hardware development

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

Software development

IDE, CONFIGURATION, COMPILER OR DEBUGGER
CODELOADER CodeLoader Software for device register programming

Support & training

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