DIGITAL-TO-ANALOG CONVERTING DEVICE
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Jan 26, 2012
filing date -
Nov 9, 2011
priority date (Note) -
Abandoned
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Abstract
A digital-to-analog converting device converts an N-bit digital input signal into an analog signal using M reference voltages, where N>3 and M=2(N−2)+1, and includes: a decoding unit operable based on third to Nth bits of the digital input signal and reference voltages to output first and second decoding voltages; and an output unit operable based on the first and second decoding voltages and first and second bits of the digital input signal to generate the analog signal. The decoding unit includes K first selectors and a second selector consisting of first and second decoding circuits, where K=2(N−3)+1.
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