Differential amplifier, and data driver of display device...

Details Differential amplifier, and data driver of display device... Differential amplifier, and data driver of display device...

2008-03-11

2008-03-11

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S255000, C330S260000

Reexamination Certificate

active

07342449

ABSTRACT:
Disclosed is a Rail-to-Rail amplifier including a plurality of differential pairs of a first conductivity type and a plurality of differential amplifiers of a second conductivity type each with one of an input pair thereof constituting an input terminal, a differential amplifier that outputs an output voltage according to the range of provided supply voltage, a determination unit for determining whether to stop operations of the differential pairs of the first conductivity type or the second conductivity type according to a predetermined input signal, and a differential pair control unit for stopping the operations of the differential pairs of the first conductivity type or the second conductivity type according to the output signal of the determination unit.

REFERENCES:
patent: 5281924 (1994-01-01), Maloberti et al.
patent: 5311145 (1994-05-01), Huijsing et al.
patent: 5909146 (1999-06-01), Okada
patent: 5939931 (1999-08-01), Noro
patent: 6052025 (2000-04-01), Chang et al.
patent: 6246351 (2001-06-01), Yilmaz
patent: 6252435 (2001-06-01), Wu et al.
patent: 6577185 (2003-06-01), Chandler et al.
patent: A-6-326529 (1994-11-01), None

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