DEV-ADC34J22 Evaluation Module


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The DEV-ADC34J22 is a four-channel, 50MSPS ADC Module designed to integrate with Altera’s HSMC standard. The DEV-ADC34J22 features TI’s new JESD204B compliant ADC34J22 Analog Digital Converter (ADC), with clocking conditioning using TI’s LMK04828 jitter cleaner. It provides single-ended DC coupled inputs on two of the four channels through TI’s THS4541 850MHz BW fully differential amplifier.

The module offers six front panel SMA connectors: 1 EXT trigger, 1 EXT clock and 4 Analog Input Channels, and an on board 10MHz TCXO for stand -alone clock generation, with a 100MHz VCXO used in conjunction with the LMK04828B for reference clock jitter cleaning. The ADC34J22 and the LMK04828B are completely configurable via Altera’s Cyclone V SOC FPGA with embedded ARM Cortex A9 processors. The DEV-ADC34J22 supports a wide range of applications and offers two RF (AC coupled) channels and two Analog (DC coupled) channels.


Board Features

  • Texas Instruments ADC34J22 Analog to Digital Converter
  • 4 channel, 12bit, 50 MSPS, JESD204B compliant ADC module
  • Two RF AC coupled input channels
  • Two Analog DC coupled input channels
  • External clock input
  • External trigger input
  • On board TI LMK04828B Dual Loop
  • Clock Jitter Cleaner Reference oscillator - 10MHz. TCXO
  • 1st Loop VCO - 100MHz. VCXO
  • HSMC connector for interfacing with Altera FPGA development boards
  • Supports up to four JESD204B lanes
  • JESD204B Sub-class 0 & 1 compatible
  • SPI control interfaces for both the ADC34J22 and LMK04828B devices
  • Reference design available for Arrow’s SOCkit development board
  • VHDL design files including MTI’s JESD core instantiation
  • Module is configured at power-up by the SOC’s ARM processor

AC Coupled RF Front End Features

  • Transformer coupled single ended to differential conversion
  • Available on Channels 1 & 2
  • RF Front End Specifications: Input range +/- 1.0V (2V p-p)
  • 0.5 - 200 MHz input bandwidth

Two Analog DC Coupled Input Channels

  • Single Ended to Differential Amplifier with G=2 V/V Available on Channels 3 & 4
  • Analog Front End Specifications:
  • Input range +/- 0.5 V i.e. 1 Vp-p
  • DC - 15 MHz input bandwidth
High-speed ADCs (>10MSPS)
ADC34J22 Quad-Channel, 12-Bit, 50-MSPS Analog-to-Digital Converter (ADC)


Clock jitter cleaners & synchronizers
LMK04828 Ultra low-noise JESD204B compliant clock jitter cleaner with integrated 2370 to 2630-MHz VCO0.


Fully differential amplifiers
THS4541 High-Speed Differential I/O Amplifier THS4541-Q1 Automotive High-Speed Differential I/O Amplifier
Important note
All content in and linked to this product brief is provided by TI "AS IS" without express or implied warranties of any kind, and it may contain errors, omissions and technical inaccuracies. TI does not endorse or warrant any of the third party products or services referenced herein. This information is provided subject to TI’s Terms of Use. Application support, full specifications and purchasing of the DEV-ADC34J22 can be found on Dallas Logic’s website.

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Evaluation board

DEV-ADC34J22 – DEV-ADC34J22 4-channel 50MSPS ADC Evaluation Module

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