Equalization Optimization of a JESD204B Serial Link Reference Design

(ACTIVE) TIDA-00353

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Description

Employing equalization techniques is an effective way of compensating for channel loss in JESD204B high speed serial interfaces for data converters. This reference design features the ADC16DX370, a dual 16-bit, 370 MSPS analog-to-digital converter (ADC) that utilizes de-emphasis equalization to prepare the 7.4 Gbps serial data for transmission. Configuration allows a user to optimize the de-emphasis setting (DEM) and output voltage swing setting (VOD) of the output driver to inversely match the characteristics of the channel. Experiments demonstrate the reception of a clean data eye over 20” of FR-4 material at the full data rate.

Features
  • Achieve a high performance JESD204B serial link using low cost PCB materials
  • Understand the limitations of lossy channels and equalization techniques to overcome the limitations
  • Use a formula-based approach to optimizing the equalization features of the ADC16DX370
  • This reference design is tested and includes an EVM, configuration software and User's Guide

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Bill of Materials (BOM)

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

ADC16DX370EVM:
ADC16DX370 Evaluation Module

$499.00(USD)


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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ADC16DX370  Dual-Channel, 16-Bit, 370-MSPS Analog-to-Digital Converter (ADC)  Analog-to-digital converters (ADCs)  Not Available View Design Kits & Evaluation Modules
LM97937  Dual-Channel 370MSPS Receiver and Feedback IC  RF transceivers  Not Available View Design Kits & Evaluation Modules
LMH6521  High Performance Dual DVGA  Amplifiers  Sample & Buy View Design Kits & Evaluation Modules
LMK04828  Ultra Low Jitter Synthesizer and Jitter Cleaner  Clock jitter cleaners  Sample & Buy View Design Kits & Evaluation Modules
LP3878-ADJ  Micropower 800mA Low Noise 'Ceramic Stable' Adjustable Voltage Regulator for 1V to 5V App.  Power management  Sample & Buy View Design Kits & Evaluation Modules
SN74AVC4T774  4-Bit Dual-Supply Bus Transceiver With Configurable Voltage-Level Shifting and 3-State Outputs  Voltage level translation  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ADC16DX370 Download
LM97937 Download
LMH6521 Download Download
LMK04828 Download Download
LP3878-ADJ Download Download
Download Download
SN74AVC4T774 Download Download
Download Download
Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 1256 23 Oct 2014 0
Design files (9)
Title Abstract Type Size (KB) Date Views
ZIP 706 03 Nov 2014 1 1
ZIP 182 03 Nov 2014 0
ZIP 1430 03 Nov 2014 0
ZIP 1259 03 Nov 2014 0
PDF 1014 03 Nov 2014 0
ZIP 2545 03 Nov 2014 0
ZIP 2524 03 Nov 2014 0
PDF 82 03 Nov 2014 0
PDF 309 03 Nov 2014 4
Related Tools & Software

Software (1)



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