High resolution high speed comparator

Details High resolution high speed comparator High resolution high speed comparator

1996-09-20

1998-04-07

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327563, H03K 522

Patent

active

057368740

ABSTRACT:
A high resolution high speed comparator featuring a differential amplifier that is coupled to two high amplification output stages. The output stages assist in rapidly amplifying input signals, yet do not interfere with comparator offset cancellation. In a preferred embodiment the comparator is made up of three stages, an input sampling network, a first amplifier stage, and a second amplifier stage, with the high amplification output stages being located in the first amplifier stage.

REFERENCES:
patent: 5289058 (1994-02-01), Okamoto
patent: 5293514 (1994-03-01), Nakagawara
patent: 5298801 (1994-03-01), Vorenkamp et al.
patent: 5525920 (1996-06-01), Rakers et al.
G.M. Yin, F. Op'Eynde, and W. Sansen, "A High-Speed CMOS Comparator with 8-b Resolution", IEEE Journal of Solid-State Circuits, vol. 27 No. 2, Feb. 1992.

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