SAR analog-to-digital converter having differing bit modes...

Details SAR analog-to-digital converter having differing bit modes... SAR analog-to-digital converter having differing bit modes...

2011-06-07

2011-06-07

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S163000

Reexamination Certificate

active

07956787

ABSTRACT:
A method for operating an N-bit SAR ADC as a greater than N-bit resolution SAR ADC includes the steps of taking a plurality of samples for each analog value being converted to a digital value by the SAR ADC. A portion of an LSB is added to all but one of the plurality of samples. The plurality of samples are then accumulated and output as a digital value. The digital value has a resolution greater than the N-bit resolution of the SAR ADC.

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