LMK04828 evaluation module
LMK04828BEVM
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Description

The LMK04828BEVM and LMK04826BEVM evaluation modules (EVMs) support the LMK0482x family of devices. The the LMK0482x devices are the industry's highest performance clock conditioners with JEDEC JESD204B support. The dual-loop architecture of the PLLATINUM™ integrated circuits enables sub-100 fs jitter (12 kHz to 20 MHz) using a low-noise VCXO module. The dual-loop architecture consists of two high-performance phase-locked loops (PLL), a low-noise crystal oscillator circuit, and a high-performance voltage controlled oscillator (VCO).

The first PLL (PLL1) provides a low-noise jitter cleaner function. The second PLL (PLL2) performs the clock and SYSREF generation. PLL1 can be configured to either work with an external VCXO module or the integrated crystal oscillator with an external tunable crystal and varactor diode. When used with a very narrow loop bandwidth, PLL1 uses the superior close-in phase noise (offsets below 50 kHz) of the VCXO module or the tunable crystal to clean the input clock. The output of PLL1 is used as the clean input reference to PLL2 where it locks the integrated VCO.

The loop bandwidth of PLL2 can be optimized to clean the far-out phase noise (offsets above 50 kHz) where the integrated VCO outperforms the VCXO module or tunable crystal used in PLL1.

Features
  • JEDEC JESD204B support
  • Ultra-low rms jitter performance
  • Dual-loop architecture
  • 3 redundant input clocks with LOS
  • Precision digital delay, fixed or dynamically adjustable

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LMK04828BEVM:
LMK04828/26 Evaluation Module

$499.00(USD)


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Technical documentation
Datasheet (1)
Title Type Size (KB) Date
PDF 4485 27 Sep 2017
User guides (1)
Title Type Size (KB) Date
PDF 9492 13 Mar 2018
More literature (1)
Title Type Size (KB) Date
PDF 38 02 Jan 2019

Software development (1)

Name Part Number Software Type
Texas Instruments Clocks and Synthesizers (TICS) Pro Software  TICSPRO-SW  Application software & frameworks 

Hardware development (1)

Name Part Number Tool Type
TSW38J84 Evaluation Module  TSW38J84EVM  Evaluation boards 

TI Devices (1)

Part Number Name Product Family
LMK04828  Ultra-low jitter synthesizer & jitter cleaner  Clocks & timing 

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