Cyclic analog-to-digital converter

Details Cyclic analog-to-digital converter Cyclic analog-to-digital converter

2006-03-21

2006-03-21

Jeanglaude, Jean Bruner (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S163000

Reexamination Certificate

active

07015852

ABSTRACT:
A method and apparatus are provided for reducing the size and power of cyclic analog-to-digital converter (ADC) conversion circuits. During each cycle, the ADC conversion circuit generates a plurality of bits. The improved ADC includes a scaling/reference circuit having a single operational amplifier which operates in a reference generation mode and an analog multiplexing mode during generation of the first bit and operates in the analog multiplexing mode during generation of the subsequent bits.

REFERENCES:
patent: 5633640 (1997-05-01), Barker et al.
patent: 6147522 (2000-11-01), Rhode et al.
patent: 6512472 (2003-01-01), Smith et al.
patent: 6653966 (2003-11-01), van der Goes et al.
patent: 6940445 (2005-09-01), Kearney

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