AD9265-125EBZ

Evaluation Board User Guide UG-074 One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com Evaluating the AD9265/AD9255 Analog-to-Digital Converters FEATURES DOCUMENTS NEEDED Full featured evaluation board for the AD9265/AD9255 SPI interface for setup and control External, on-board oscillator or AD9517 clocking options Balun/transformer or amplifier input drive options LDO regulator or switching power supply options VisualAnalog® and SPI controller software interfaces AD9265 or AD9255 data sheet HSC-ADC-EVALCZ data sheet AN-905 Application Note, VisualAnalog Converter Evaluation Tool Version 1.0 User Manual AN-878 Application Note, High Speed ADC SPI Control Software AN-877 Application Note, Interfacing to High Speed ADCs via SPI AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation EQUIPMENT NEEDED Analog signal source and antialiasing filter Sample clock source (if not using the on-board oscillator) 2 switching power supplies (6.0 V, 2.5 A) provided, CUI, Inc., EPS060250UH-PHP-SZ PC running Windows® XP or Windows Vista USB 2.0 port recommended (USB 1.1 compatible) AD9265 or AD9255 evaluation board HSC-ADC-EVALCZ FPGA-based data capture kit SOFTWARE NEEDED VisualAnalog SPI controller GENERAL DESCRIPTION This user guide describes the AD9265 and AD9255 evaluation board, which provides all of the support circuitry required to operate the AD9265 or AD9255 in its various modes and configurations. The application software used to interface with the devices is also described. The AD9265 and AD9255 data sheets provide additional information and should be consulted when using the evaluation board. All documents and software tools are available at www.analog.com/fifo. For additional information or questions, send an email to highspeed.converters@analog.com. 08699-001 EVALUATION BOARDS Figure 1. AD9265 and AD9255 Evaluation Board and HSC-ADC-EVALCZ Data Capture Board Please see the last page for an important warning and disclaimers. Rev. 0 | Page 1 of 28 UG-074 Evaluation Board User Guide TABLE OF CONTENTS Features .............................................................................................. 1  Input Signals...................................................................................3  Equipment Needed ........................................................................... 1  Output Signals ...............................................................................3  Software Needed ............................................................................... 1  Default Operation and Jumper Selection Settings ....................5  Documents Needed .......................................................................... 1  Evaluation Board Software Quick Start Procedures .....................7  General Description ......................................................................... 1  Configuring the Board .................................................................7  Evaluation Boards ............................................................................. 1  Using the Software for Testing.....................................................7  Revision History ............................................................................... 2  Evaluation Board Schematics and Artwork ................................ 11  Evaluation Board Hardware ............................................................ 3  Ordering Information .................................................................... 24  Power Supplies .............................................................................. 3  Bill of Materials ........................................................................... 24  REVISION HISTORY 1/11—Revision 0: Initial Version Rev. 0 | Page 2 of 28 Evaluation Board User Guide UG-074 EVALUATION BOARD HARDWARE The AD9265 and AD9255 evaluation board provides all of the support circuitry required to operate these parts in their various modes and configurations. Figure 2 shows the typical bench characterization setup used to evaluate the ac performance of the AD9265 or AD9255. It is critical that the signal sources used for the analog input and clock have very low phase noise (