HDAC7542 12 - bit parallel port D / A converter

Published:2013/1/22 2:48:00 Author:Ecco | Keyword: 12 - bit, parallel port, D / A converter | From:SeekIC

HDAC7542 can be directly matched with CPU, and it is a low-power, high-speed, high - gain 12-bit multiplying D / A converter. The digital signal is divided into 3 groups which is input tp memory by 4 bytes, and its internal data is written to the D / A converter after passing cache twice, then the D / A converter output is updated for four-quadrant multiplication. Its typical application circuit is shown as figure. Figure (A) shows the unipolar 2-quadrant multiplying connection.



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