Time division sampling digital to analog converter for...

Details Time division sampling digital to analog converter for... Time division sampling digital to analog converter for...

2008-03-04

2008-03-04

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C345S076000

Reexamination Certificate

active

11367865

ABSTRACT:
Disclosed herein are a time division sampling digital to analog converter for a flat panel display, a method of implementing the digital to analog converter, and a data driver circuit using the digital to analog converter. The time division sampling digital to analog converter includes a timing signal generation means for generating timing signals, a data selection means for receiving n-bit digital data, dividing the n-bit digital data into k groups, and outputting the divided digital input data; k reference signal generation means for each outputting 2n/kanalog reference signals; a reference signal selection means for receiving the outputs of the reference signal generation means and outputting only 2n/kanalog reference signals selected according to a timing signal from the timing signal generation means; a multiplexer for outputting one of reference signals from the reference signal selection means using the n/k-bit digital data from the data selection means as a control input; and a sampling mode analog addition means for sampling and storing the output of the multiplexer according to a timing signal from the timing signal generation means.

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An article entitled, “42.3 Low-power and High . . . ”, By Y. Kudo et al., SID 03 DIGEST pp. 1244-1247, (2003).

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