D-A convert apparatus and A-D convert apparatus

Details D-A convert apparatus and A-D convert apparatus D-A convert apparatus and A-D convert apparatus

2007-11-08

2009-10-27

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Converter compensation

C341S120000, C341S144000, C341S150000, C341S163000, C341S172000

Reexamination Certificate

active

07609184

ABSTRACT:
Provided is a D-A conversion apparatus that outputs an analog output voltage according to digital input data, which includes a capacitance array main D-A converter that supplies a main voltage according to the input data to an output terminal of the D-A conversion apparatus, a correction data output section that outputs correction data according to the input data, a capacitance array correction D-A converter that outputs a correction voltage according to the correction data, and a voltage dividing capacitor connected serially between an output end of the correction D-A converter and an output end of the main D-A converter.

REFERENCES:
patent: 4399426 (1983-08-01), Tan
patent: 4709225 (1987-11-01), Welland et al.
patent: 4999633 (1991-03-01), Draxelmayr
patent: 6686865 (2004-02-01), Confalonieri et al.
patent: 2007/0132626 (2007-06-01), Hurrell

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