Two-stage fully differential operational amplifier with efficien

Details Two-stage fully differential operational amplifier with efficien Two-stage fully differential operational amplifier with efficien

1997-10-22

1999-09-21

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330257, H03F 345

Patent

active

059559225

ABSTRACT:
The circuit of a two-stage fully differential amplifier includes a differential input stage, two output stages and a common mode feedback circuit coupled to the output nodes of the amplifier. The amplifier also includes a non-inverting stage coupled to a respective output node of the differential input stage for driving the respective output stage. Each auxiliary non-inverting stage of the two branches of the fully differential amplifier uses as a biasing current generator, the load device of the branch of the differential input stage to the output of which the non-inverting stage is coupled. The fully differential amplifier permits the use of a null-consumption common mode feedback circuit as normally employed only in a single stage fully differential amplifier.

REFERENCES:
patent: 5146179 (1992-09-01), Carley et al.
patent: 5212455 (1993-05-01), Pernici et al.
patent: 5281924 (1994-01-01), Maloberti et al.
patent: 5319316 (1994-06-01), Fensch
patent: 5442318 (1995-08-01), Badyal et al.
patent: 5515003 (1996-05-01), Kimura
patent: 5578964 (1996-11-01), Kim et al.
patent: 5729178 (1998-03-01), Park et al.
Proceedings of the Custom Integrated Circuits Conference, San Diego, May 1-4, 1994, Institute of Electrical and Electronics Engineers, pp. 365-368, Ochotta et al., "Analog Circuit Synthesis for Large, Realistic Cells: Designing a Pipelined A/D Converter With ASTRX/OBLX".

Affiliated with

Also associated with

Rating

Two-stage fully differential operational amplifier with efficien does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Two-stage fully differential operational amplifier with efficien, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Two-stage fully differential operational amplifier with efficien will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-83865