REV. PrK

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EVAL-AD766XCB/AD767XCB

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

www.analog.com

Fax: 781/326-8703

© Analog Devices, Inc., 200

1

Preliminary Technical Data

PRELIMINARY TECHNICAL D ATA

Evaluation Board AD766X/AD767X

FEATURES

Versatile Analog Signal Conditioning Circuitry

On-Board Reference, Crystal Oscillator and Buffers

16-Bit Parallel Buffered Outputs

Ideal For DSP and Data Acquisition Card Interfaces

Analog and Digital Prototyping Area

EVAL-CONTROL BOARD Compatibility

PC Software for Control and Data Analysis

GENERAL DESCRIPTION

The EVAL-AD766XCB/AD767XCB is an evaluation board

for the AD766X/AD767X 16-bit A/D converter family. The

AD766X/AD767X family ( see ordering guide for product list )

is a high speed, successive approximation based architecture

with very high performance, low power family of 16-Bit ADCs

which operate from a single +5V supply with a 100kSPS to

1MSPS throughput rate range, and a flexible parallel or serial

interface. The AD766X/AD767X evaluation board is designed

to demonstrate the ADC's performance and to provide an easy

to understand interface for a variety of system applications. A

full description of the AD766X/AD767X is available in the

Analog Devices AD766X/AD767X data sheets and should be

consulted when utilizing this evaluation board.

FUNCTIONAL BLOCK DIAGRAM

The EVAL-AD766XCB/AD767XCB is ideal for use with

either the Analog Devices EVAL-CONTROL BOARD, or as a

stand-alone evaluation board. The design offers the flexibility

of applying external control signals and is capable of generating

16-bit conversion results on a parallel buffered outputs.

On-board components include an AD780, a +2.5V ultrahigh

precision bandgap reference, a signal conditioning circuit

with two op-amps and digital logic. The board interfaces with

a 96-way connector for the EVAL-CONTROL BOARD, a

20-pin IDC connector for serial output interface, and a 40-

pin IDC connector for parallel output data. SMB connectors

are provided for the low noise analog signal source, an exter-

nal master clock and an external start/convert input.

40

PIN

CONN

20

PIN

CONN

+/-12 V

+/-5 V

VL

96

PIN

CONN

+5 V

IN

SIGNAL

CONDITIONING

REF 2.5V

AD780

AD766x

or

AD767x

REF

DATA

CNVST

AUX_IN

IN

Clock

DIGITAL LOGIC

Configuration switches

MCLK

BUSY

CNVST

MCLK

ORDERING GUIDE

Evaluation board Model

Product

EVAL-AD7650CB

AD7650AST

EVAL-AD7660CB

AD7660AST

EVAL-AD7662CB

AD7662YST

EVAL-AD7663CB

AD7663AST

EVAL-AD7664CB

AD7664AST

EVAL-AD7665CB

AD7665AST

EVAL-AD7668CB

AD7668YST

EVAL-AD7671CB

AD7671AST

EVAL-AD7675CB

AD7675AST

EVAL-AD7676CB

AD7676AST

EVAL-AD7677CB

AD7677AST

EVAL-CONTROL BRD2

Controller Board