Digital-to-analog converter structures

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

2006-08-22

2006-08-22

Williams, Howard L. (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S145000, C341S120000

Reexamination Certificate

active

07095351

ABSTRACT:
A DAC architecture is described. The architecture is specifically adapted to provided an analog voltage output based on a digital input word. The architecture includes a resistor ladder configuration sub-divisible into a first component, adapted to convert a lower part of the input word, and a second component adapted to convert an upper part of the input word. The DAC is calibrated such that the first component can be used to tune the output of the second component on selection of specific segment from the second component.

REFERENCES:
patent: 5119094 (1992-06-01), Brokaw
patent: 5764174 (1998-06-01), Dempsey et al.
patent: 6509857 (2003-01-01), Nakao

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