CMOS operational amplifier

Details CMOS operational amplifier CMOS operational amplifier

2006-04-25

2006-04-25

Nguyen, Linh V. (Department: 2819)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S252000

Reexamination Certificate

active

07034615

ABSTRACT:
A CMOS (Complementary Metal Oxide Semiconductor) operational amplifier includes: an amplifying unit for differentially amplifying signals inputted to an inverting input terminal and non-inverting input terminal to reduce an input offset voltage and outputting the amplified signal to an output terminal; and a slew enhancing unit for increasing a slew rate of the amplified signal outputted to the output terminal on the basis of the input voltage value of the inverting input terminal and the input voltage value of the non-inverting input terminal.

REFERENCES:
patent: 4893092 (1990-01-01), Okamoto
patent: 5581212 (1996-12-01), Huang et al.
patent: 6392485 (2002-05-01), Doi et al.
patent: 6781460 (2004-08-01), Crain et al.
patent: 6801080 (2004-10-01), Arcus
patent: 6822513 (2004-11-01), Li et al.

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