AD8031ARTZ datasheet(3/32 Pages) AD

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EVAL-AD7903SDZ User Guide

UG-609

Rev. 0 | Page 3 of 32

GENERAL DESCRIPTION

The EVAL-AD7903SDZ is an evaluation board designed to

demonstrate the low power AD7903 performance and to

provide an easy to understand interface for a variety of system

applications. The AD7903 is a dual differential 16-bit, 1 MSPS

PulSAR® ADC. A full description of the AD7903 is available in

the AD7903 data sheet and should be consulted when using this

evaluation board.

The evaluation board is ideal for use with the Analog Devices, Inc.,

system demonstration platform (SDP) board, EVAL-SDP-CB1Z.

The evaluation board interfaces to the SDP board via a 120-pin

connector. SMA Connectors J6, J7, J10, and J15 are provided to

connect a low noise analog signal source.

The user PC software executable controls the evaluation board

over the USB through the SDP board, EVAL-SDP-CB1Z.

On-board components include the following:

ADR435: high precision, buffered band gap 5.0 V reference

AD8031: reference buffer

ADA4841-1: signal conditioning circuit with op amps

ADP7104 and ADP2301: regulators to derive necessary voltage

levels on board

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