Analog to digital converter with dynamic power configuration

Details Analog to digital converter with dynamic power configuration Analog to digital converter with dynamic power configuration

2011-04-19

2011-04-19

Mai, Lam T (Department: 2819)

Coded data generation or conversion

Sample and hold

C341S155000

Reexamination Certificate

active

07928874

ABSTRACT:
In an embodiment, an analog to digital converter (ADC) has a dynamic power circuit. The ADC has a track-and-hold circuit with an output and a track mode. The ADC also has a comparator with an input. A preamplifier is coupled between the track-and-hold output and the comparator input. At least one of a preamplifier current and a comparator current are limited during the track mode to reduce ADC power consumption.

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