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MCCTA225M016 PDF预览

MCCTA225M016

更新时间: 2024-11-26 12:29:15
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 562K
描述
Evaluation Board for 16-Bit, Serial Input, Loop-Powered 4 mA to 20 mA DAC

MCCTA225M016 数据手册

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Evaluation Board User Guide  
UG-250  
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  
Evaluation Board for 16-Bit, Serial Input, Loop-Powered 4 mA to 20 mA DAC  
FEATURES  
EVALUATION BOARD DESCRIPTION  
Full-featured evaluation board for the AD5421  
Link options  
PC control in conjunction with Analog Devices, Inc.,  
system demonstration platform (SDP)  
PC software for control  
The EVAL-AD5421 is a full-featured evaluation board, designed  
to allow the user to easily evaluate all features of the AD5421  
loop-powered 4 mA to 20 mA DAC. The AD5421 pins are  
accessible at on-board connectors for external connection. The  
AD5421 evaluation board is controlled via the PCs USB port in  
conjunction with Analog Devices system demonstration  
platform board. The SDP board allows the evaluation board to  
be controlled through the USB port of a Windows® XP (SP2 or  
later) or Vista-based (32-bit) PC using the AD5421 evaluation  
software. The AD5421 serial interface is also accessible at the  
testpoint connections on the board.  
EQUIPMENT NEEDED  
DC power supply unit  
SDP for PC control (EVAL-SDP-CB1Z)  
Voltmeter or ammeter  
DOCUMENTS NEEDED  
DEVICE DESCRIPTION  
AD5421 data sheet  
The AD5421 is an integrated device designed for use in loop-  
powered 4 mA to 20 mA smart transmitter applications. The  
AD5421, in a single chip, provides a 16-bit DAC and current  
amplifier for digital control of the loop current, a voltage  
regulator to power the entire transmitter, a voltage reference,  
fault alert functions, flexible SPI-compatible serial interface,  
gain and offset adjust registers as well as other features and  
functions.  
SOFTWARE NEEDED  
AD5421 evaluation software  
Complete specifications for the AD5421 are available in the  
AD5421 data sheet available from Analog Devices and should  
be consulted in conjunction with this document when using the  
evaluation board.  
FUNCTIONAL BLOCK DIAGRAM  
PC  
USB  
PORT  
EVAL-AD5421SDZ  
DIGITAL  
ISOLATION  
LOOP+  
LOOP–  
SYSTEM DEMONSTRATION  
PLATFORM BOARD  
AD5421  
Figure 1.  
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT  
WARNING AND LEGAL TERMS AND CONDITIONS.  
Rev. A | Page 1 of 12  
 
 
 
 
 
 
 

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