LMK05028EVM

LMK05028 Network Clock Generator and Synchronizer Evaluation Module

LMK05028EVM

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Overview

The LMK05028EVM is an evaluation module for the LMK05028 Network Clock Generator and Synchronizer. The EVM can be used for device evaluation, compliance testing, and system prototyping.
The LMK05028 integrates two Digital PLLs (DPLLs) with programmable bandwidth for input wander and jitter attenuation. The EVM includes SMA connectors for clock inputs, oscillator inputs, and clock outputs to interface the device with 50-Ω test equipment. The onboard XO and TCXO options allow the LMK05028 to be evaluated in free-running, locked, or holdover mode of operation. The EVM can be configured through the onboard USB microcontroller (MCU) interface using a PC with TI's TICS Pro software graphical user interface (GUI). TICS Pro can be used to program the LMK05028 registers and store the settings in the on-chip EEPROM, enabling custom clock configuration upon power up.

  • Dual DPLLs with programmable bandwidths and Analog PLLs for frequency translation
  • 4 clock inputs supporting hitless switching and holdover
  • 8 differential or 16 LVCMOS output clocks or combination of both 
  • On-chip EEPROM for custom start-up clock clocks
  • Flexible oscillator options: onboard XOs, TCXO, or external SMA input
  • USB MCU interface for I2C/SPI and GPIO pin control using TICS Pro GUI

3-ft. Mini-USB Cable (MPN 3021003-03)

Clock jitter cleaners & synchronizers
LMK05028 Low-jitter dual-channel network synchronizer clock

 

Current sense amplifiers analog output
INA214 26V, bi-directional, high-precision current sense amplifier

 

Linear regulators (LDO)
LP5900 150-mA, low-noise, low-IQ, low-dropout voltage regulator with enable TPS7A8101 1-A, high-PSRR, adjustable ultra-low-dropout voltage regulator with enable TPS7A88 1-A, low-noise, high-PSRR, dual-channel adjustable ultra-low-dropout voltage regulator

 

Oscillators
LMK61E2 Ultra-Low Jitter Fully Programmable Oscillator, Integrated EEPROM, +/-50ppm
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Evaluation board

LMK05028EVM – LMK05028 Network Clock Generator and Synchronizer Evaluation Module

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

Technical documentation

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Type Title Date
* User guide LMK05028EVM User's Guide Jan. 19, 2018
More literature LMK05028EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Datasheet LMK05028 Low-Jitter Dual-Channel Network Synchronizer Clock With EEPROM datasheet (Rev. A) Apr. 10, 2018

Related design resources

Software development

APPLICATION SOFTWARE & FRAMEWORK
TICSPRO-SWTexas Instruments Clocks and Synthesizers (TICS) Pro Software

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