EVAL-AD7765EBZ_15 Datasheet, PDF (1/23 Pages) Analog Devices – Evaluation Board for AD7764/AD7765 using

Preliminary Technical Data
Evaluation Board for AD7764/AD7765 using
EVAL-CED1Z
EVAL-AD7764/AD7765EDZ
FEATURES
Full-featured evaluation board for the AD7764/AD7765
EVAL-CED1Z compatible
On-board 4.096 V reference
PC software for control and data analysis for
use with EVAL-CED1Z
EVALUATION BOARD DESCRIPTION
This data sheet describes the evaluation board for the AD7764/
AD7765 Σ-Δ ADCs. The AD7764/5 is a 24-bit ADC, serial data
output with multiple decimation rate options incorporating a
full band digital FIR filter. It combines wide input bandwidth
with the benefits of Σ-Δ conversion with a performance of 102/104
dB SNR at 312ksps/156ksps respectively. The AD7764/AD7765
devices are ideal for applications like vibration monitoring,
sonar, and general data acquisition where anti-alias protection
is of importance.
Complete specifications for the AD7764/AD7765 devices are
available in the AD7764/AD7765 data sheets available from Analog
Devices, Inc., and should be consulted in conjunction with this
data sheet when using the evaluation board.
The EVAL-AD7764/AD7765EDZ is controlled using the EVAL-
CED1Z Converter Evaluation and development board. The CED
board outputs the MCLK signal which the AD7764/5 use to
sample the analog inputs.
The AD7764/AD7765 evaluation board interfaces directly with
the FPGA located on the CED board via the SPORT header. The
combination of the EVAL-CED1Z board allied with the EVAL-
AD7764/AD7765/EDZ software allows the user to upload samples
taken by the AD7764/AD7765 device onto a PC showing the
waveform being sampled, as well as allowing the data to be
shown in histogram or FFT format. The EVAL-
AD7764/AD7765/4EDZ can also be used on a standalone basis
(without EVAL-CED1Z); however, in this case the user must
provide the required interface signals.
CONTENTS OF EVALUATION KIT
• AD7764/AD7765 evaluation board
(EVAL-AD7764/AD7765EDZ)
• EVAL-AD776xEDZ evaluation software
CD—Software executable
o Software executable
o Labview Source Code
o FPGA source code
External Supplies
EVALUATION BOARD BLOCK DIAGRAM
7.5V
Supply
Mini-USB
Input
+7.5V
ADP3330-2.5
EVAL-AD7764/65EDZ
GND
ADP3330-5
ADR444
AD7764/
AD7765
U1
SDI
FSO
FSI
SCO
SDO
MCLK
40Mhz
Select on
Front Panel
EVAL-CED1Z
FPG A
XLR
Connector
Figure 1.Evaluation set-up Block Diagram
Rev. PrC
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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice.
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