Hybrid analog to digital converter circuit and method

Details Hybrid analog to digital converter circuit and method Hybrid analog to digital converter circuit and method

2008-09-16

2010-06-08

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S119000, C341S120000, C341S156000

Reexamination Certificate

active

07733261

ABSTRACT:
A hybrid analog to digital converter circuit for a feedback input to a digital controller of a power supply includes a high resolution, analog to digital converter circuit in communication with a voltage error signal. The high resolution analog to digital converter circuit is configured to provide a first correction signal to the digital controller when the voltage error signal is within a first error range. The hybrid analog to digital converter circuit also includes at least one flash analog to digital converter circuit in communication with the voltage error signal. The flash analog to digital converter circuit(s) is configured to provide at least a second correction signal to the digital controller when the voltage error signal is within at least a second error range.

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patent: 2006/0033647 (2006-02-01), Leung et al.
patent: 2008/0042632 (2008-02-01), Chapuis et al.

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