DIFFERENTIAL_CONVERSION

Published:2009/6/30 1:34:00 Author:May | From:SeekIC

Uses high current output capability of Precision Monolithics DAC-08 D/A converter and high common-mode voltage rejection of CMP-01 comparator to give differential-input ADC without input signal conditioning. Successive-approximation conversion logic is obtained with REF.01 +10 V reference and 2502-type successive-approximat ion register, driven by DAC and comparator. Analog input is converted in less than 2 μs. Differential input range is 5 V. Diodes are 1N4148.—J. Schoeff and D. Soderquist, Differential and Multiplying Digital to Analog Converter Applications, Precision MonolithIcs, Santa Clara, CA, 1976, AN-19, p 5.



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