Switching between lower and higher power modes in an ADC for...

Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion

Reexamination Certificate

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C341S156000

Reexamination Certificate

active

07116259

ABSTRACT:
An analog-to-digital converter (ADC) disposed in a data reception path to convert data from an analog format to a digital format is switched between two or more power modes to conserve power when data is not being received. ADC stays in a lower power-lower precision mode until an inbound data is detected, at which time the ADC switches to a higher power-higher precision mode to convert the data. Once data conversion is completed, the ADC switches back to the lower power-lower precision mode to conserve power.

REFERENCES:
patent: 6340944 (2002-01-01), Chang et al.
patent: 6577185 (2003-06-01), Chandler et al.

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