Successive approximation analog/digital converter with...

Details Successive approximation analog/digital converter with... Successive approximation analog/digital converter with...

2005-07-19

2005-07-19

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

Reexamination Certificate

active

06919837

ABSTRACT:
A successive approximation A/D converter includes first and second S/H and comparators sampling and holding first and second external analog input voltages simultaneously and comparing the held, first and second external analog input voltages with a reference voltage to output first and second signals having levels corresponding to resultant comparisons, and a reference voltage generator operative in response to the first and second signals to generate the reference voltage. The two S/H and comparators share the single reference voltage generator. A reduced chip area can be achieved.

REFERENCES:
patent: 4415882 (1983-11-01), Akazawa et al.
patent: 4654815 (1987-03-01), Marin et al.
patent: 6124818 (2000-09-01), Thomas et al.
patent: 6424284 (2002-07-01), Lopata et al.
patent: 8-149007 (1998-08-01), None

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