DDC2256A 256-Channel Current-Input Analog-to-Digital Converter Evaluation Module


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The DDC2256AEVM evaluation module  (EVM)  is  an  evaluation  kit  for the DDC2256A,  a  256-channel,  current  input,  24-bit analog-to-digital (A/D) converter. The EVM kit, comprised of a DUT board and a capture board, contains two DDC2256A devices, an FPGA for device communication/configuration, 36 MB of memory for temporary data storage, and a USB interface for connection to a PC. The EVM contains all necessary control signals and on-board power generation which greatly reduces the need for external equipment. Finally, the evaluation system also includes easy-to-use software for Microsoft® Windows®.

  • All-in-one solution for evaluating two DDC2256A devices in a system-like setting
  • On-board FPGA, memory, and USB interface allow for data capture and analysis of large sample datasets
  • Flexible supply configurations for simple or advanced experimentation
  • Various input voltage configurations allow for evaluation of many use cases
  • GUI software allows easy control of DDC2256A device modes and functions

  • DDC2256 Capture Board
  • DDC2256A DUT Board
  • Power Cables
  • USB 2.0 Cable

Computer tomography (CT) AFEs
DDC2256A 256-Channel, Current-Input Analog-To-Digital Converter


Digital isolators
ISO7241A Quad-channel, 3/1, 1-Mbps digital isolator


DS10BR254 1.5-Gbps 1:4 LVDS repeater SN65LVDS4 500-Mbps LVDS single high-speed receiver


Linear & low-dropout (LDO) regulators
TL1963A 1.5-A, 20-V, low-dropout voltage regulator with reverse current & reverse voltage protection TPS7A33 1-A, high-PSRR, negative, adjustable low-dropout voltage regulator with enable TPS7A47 1-A, 36-V, low-noise, high-PSRR, low-dropout voltage regulator with enable


Precision op amps (Vos<1mV)
OPA209 Single, 2.2-nV/rtHz, 18-MHz, precision, RRO, 36-V operational amplifier OPA211 1.1nV/rtHz Noise, Low-Power, Precision Operational Amplifier


Series voltage references
LM4140 0.1% 3-ppm/°C precision micropower low-dropout series voltage reference with enable pin


USB power switches & charging port controllers
LM3525 0.5A loading, 2.7-5.5V, 80mΩ USB power switch
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Evaluation board

DDC2256AEVM — DDC2256A 256-Channel Current-Input Analog-to-Digital Converter Evaluation Module

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

Technical documentation

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Type Title Date
* EVM User's guide DDC2256AEVM Introduction User's Guide 01 Apr 2016
Certificate DDC2256AEVM EU Declaration of Conformity (DoC) 02 Jan 2019

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