SAR analog to digital converter having multiplexable ground...

Details SAR analog to digital converter having multiplexable ground... SAR analog to digital converter having multiplexable ground...

2007-03-31

2008-08-12

Mai, Lam T (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S155000

Reexamination Certificate

active

07411538

ABSTRACT:
A circuit includes a successive approximation register A/D converter for performing analog to digital conversions. The register has a ground pin and a ground sense pin. The ground sense pin is connected to a ground port of the circuit. A multiplexer connects the ground sense pin of the successive approximation register A/D converter to one of a plurality of I/O ports of the circuit package. A switch selectively connects the ground sense pin of the successive approximation register A/D converter to the ground port.

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