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Evaluation Board User Guide
UG-232
One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Te l: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluating the AD6642/AD6657 Analog-to-Digital Converters
Please see the last page for an important warning and disclaimers. Rev. 0 | Page 1 of 32
FEATURES
Full featured evaluation board for the AD6642/AD6657
SPI interface for setup and control
External, on-board oscillator or AD9517 clocking options
Balun/transformer or amplifier input drive options
LDO regulator power supply
VisualAnalog® and SPI controller software interfaces
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), CUI, Inc.
EPS060250UH-PHP-SZ, provided
PC running Windows® 98 (2nd ed.), Windows 2000,
Windows ME, or Windows XP
USB 2.0 port, recommended (USB 1.1 compatible)
AD6642 or AD6657 evaluation board
HSC-ADC-EVALCZ FPGA-based data capture kit
SOFTWARE NEEDED
VisualAnalog
SPI controller
DOCUMENTS NEEDED
AD6642 or AD6657 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 ADC Testing and
Evaluation
GENERAL DESCRIPTION
This document describes the AD6642 and AD6657 evaluation
board, which provides all of the support circuitry required to
operate the AD6642 or AD6657 in their various modes and
configurations. The application software used to interface with
the devices is also described.
The AD6642 and AD6657 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.
TYPICAL MEASUREMENT SETUP
09572-001
Figure 1. AD6642 and AD6657 Evaluation Board and HSC-ADC-EVALCZ Data Capture Board
