Latching comparator with input offset adjustment

Details Latching comparator with input offset adjustment Latching comparator with input offset adjustment

1997-06-26

1999-04-06

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 57, H03K 522

Patent

active

058923748

ABSTRACT:
A latching comparator includes first and second current integration nodes having first and second integration capacitances, respectively. A current source applies a first tail current to a current steering circuit which steers the tail current onto the first and second current integration nodes as a function of first and second data signals. An offset adjustment circuit is coupled to the first current integration node for adjusting the first integration capacitance relative to the second integration capacitance. A latch circuit is coupled to the first and second current integration nodes and has a data output.

REFERENCES:
patent: 5196737 (1993-03-01), Olmstead
patent: 5329173 (1994-07-01), Murakami et al.
patent: 5506524 (1996-04-01), Lin

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