Industrologic USDAC12
Universal Serial 12 Bit Digital to Analog Converter
Reference Manual
version 6/29/07
Industrologic, Inc.
3201 Highgate Lane
St. Charles, MO
63301
USA
Phone: (636) 723-4000
WWW: http://www.industrologic.com
Email: info@industrologic.com
Trademark and Copyright Information
USDAC12 is a Trademark of Industrologic, Inc. 2007
This document is Copyright (c) 2007 by Industrologic, Inc.
All rights reserved.
No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying or scanning, for any purpose other than the personal use by the purchaser of this product. Industrologic, Inc. reserves the right to revise this document at any time without obligation to notify any person of such revision. Industrologic, Inc. assumes no responsibility for any errors that may appear in this document.
Warning/Disclaimer
Whereas effort has been made to make the information in this document as useful and accurate as possible, Industrologic, Inc. assumes no responsibility for the application, usefulness, or completeness, of the information contained herein. Under no circumstance will Industrologic, Inc. be responsible or liable for any damages or losses including indirect or consequential damages or losses arising from either the use of any information contained within this manual or the use of any products or services referenced within this manual.
Industrologic, Inc. reserves the right to change any product's features, specifications, documentation, warranties, fee schedules, and conditions at any time and without notice.
Industrologic products are provided as printed circuit board level assemblies. Some Industrologic products may include mechanical packaging accessories which are provide for the purchaser's convenience, and are not intended to be final assembly enclosures.
Industrologic products are provided with the understanding that the purchaser will determine fitness for any particular application as well as achieve compliance with any particular specifications or regulations as required or desired for that application.
Warranty
Industrologic, Inc. products are warranted to be free from defects in workmanship or material under normal use and service for a period of one year from date of purchase. Industrologic's warranty is to the original purchaser only, but is extended to you by the Distributor or OEM from whom you purchased the product.
Industrologic's obligation under this Warranty is limited to replacement with a new or repaired unit to the original purchaser. The unit must be returned, and replacements obtained from Industrologic, Inc. or the Distributor or OEM from whom it was purchased.
This warranty will not apply if, in the judgment of Industrologic, Inc., damage or failure of the product has resulted from accident, alteration, misuse, abuse, connection to or operation with incompatible signals or power sources, or improper installation.
Under no circumstances shall Industrologic, Inc. be liable to purchaser or any third party for any loss of profits or other direct or indirect costs, expenses, losses, or consequential damages arising out of or as a result of any defects in or failure of Industrologic products or any part or parts thereof.
THIS WARRANTY IS IN LIEU OF ANY OTHER WARRANTY, EITHER EXPRESSED OR IMPLIED, AS TO DESCRIPTION, QUALITY, MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE OR USE, OR ANY OTHER MATTER.
Return and Repair Policy
Products purchased in single piece quantities may be returned, if in resellable
condition, for a full refund of the purchase price only, to the original
purchaser, within 30 days of purchase.
Products must be returned by original purchaser with a Return Materials Authorization (RMA) number issued by Industrologic, Inc. or the Distributor or OEM from whom it was purchased, authorizing its return. Current repair or replacement fees and procedures will be related during the issue of the RMA number.
Warranty or repair units must be returned with postage and insurance paid by purchaser. Industrologic, Inc. is not responsible for damages or loss during shipment.
Industrologic USDAC12
Universal Serial 12 Bit Digital to Analog Converter
The Industrologic USDAC12 is a small printed circuit board assembly that can
provide one or two analog outputs to microcontroller based Industrologic
products and other microcontroller based circuits. It is based on a line
of Microchip 12 bit serial DAC chips, and can be ordered with either the
MCP4921 (single channel external voltage reference) or the MCP4822 (dual
channel internal voltage reference).
Summary of Features
- Wide power supply voltage range including +5
- Screw terminal block connections for easy wiring
- Requires only 3 logic level control signals (SPI protocol)
- Pullup resistors on control signals for use with circuits that have open collector outputs
- On-board bypass and output filter capacitors
Electrical specifications
The USDAC12 is based on the Microchip MCP4921 or MCP4822.
Refer to the manufacturers data sheet for all electrical specifications.
Mechanical specifications
Single-sided .062" FR-4 glass epoxy printed circuit board,
2.0 inches by 1.0 inches, and includes three #6 clearance mounting holes.
Schematic Diagram
end of manual