8_BIT_BINARY_TO_PROCESS_CURRENT

Published:2009/6/30 2:50:00 Author:May | From:SeekIC

Usesonly three Precision Monolithics ICs operating from －5V and +23 V supplies to convert 8-bit binary digital input to process current in range of 4-20 mA. Fixed current of 0.5 mA is added to DAC output current varying between 0 and 2 mA, with resulting total current multiplied by factor of 8 to give up to 20 mA through 500-ohm load，—D Soderquist, 3 IC 8 Bit Binary Digital to Process Current Converter with 4-20 mA Output, Precision Monolithics, Santa Clara, CA, 1977, AN-21.



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