Stage-resolution scalable opamp-sharing technique for...

Details Stage-resolution scalable opamp-sharing technique for... Stage-resolution scalable opamp-sharing technique for...

2011-04-12

2011-04-12

Lauture, Joseph (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S155000

Reexamination Certificate

active

07924204

ABSTRACT:
An analog-to-digital converter (ADC) for pipelined ADCs or cyclic ADCs is disclosed. The ADC includes at least one pair of two stages connected in series, and the two stages have different bits of resolution. An amplifier is shared by the pair of two stages such that the two stages operate in an interleaved manner. Accordingly, this stage-resolution scalable opamp-sharing technique is adaptable for pipelined ADC or cyclic ADC, which substantially reduces power consumption and increases operating speed.

REFERENCES:
patent: 6486820 (2002-11-01), Allworth et al.
patent: 6577185 (2003-06-01), Chandler et al.
patent: 6879277 (2005-04-01), Cai
patent: 7576677 (2009-08-01), Morimoto
patent: 7595748 (2009-09-01), Tu
patent: 2002/0039077 (2002-04-01), Lyden

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