A/D convertor of the pipeline type having additional comparators

Details A/D convertor of the pipeline type having additional comparators A/D convertor of the pipeline type having additional comparators

1991-10-17

1992-10-20

Logan, Sharon D.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341155, H03M 138

Patent

active

051573989

ABSTRACT:
In an A/D convertor, one comparator is provided for the most significant bit of the output digital signal, two for the second bit, and three each for the third and lower-order bits. When a compare operation is being performed by one of the three comparators that are provided for each of the third and lower bits, the remaining two comparators provide outputs in response to which output switch circuits perform setting of two reference voltages that are specified by the comparison result of a comparator corresponding to an output digital signal two bits higher.

REFERENCES:
patent: 4994808 (1991-02-01), Wichelman

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