Digital-to-analog converter

Details Digital-to-analog converter Digital-to-analog converter

2011-04-12

2011-04-12

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S135000, C341S145000

Reexamination Certificate

active

07924198

ABSTRACT:
A digital-to-analog converter is disclosed. The digital-to-analog converter includes a decoder that receives a plurality of digital input signals to output a plurality of thermometer decode signals, a current supply part including a plurality of current sources, each of which operates in one of a sleeping mode and an operating mode under the control of the thermometer decode signals, and a switching part including a plurality of switching units, each of which operates in one of a sleeping mode and an operating mode under the control of the thermometer decode signals. The current supply part selectively outputs a plurality of switching power signals. The switching part outputs an analog signal under the control of the thermometer decode signals.

REFERENCES:
patent: 4408190 (1983-10-01), Nagano
patent: 5243347 (1993-09-01), Jackson et al.
patent: 6741195 (2004-05-01), Cho
patent: 7456773 (2008-11-01), Seo et al.

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