High speed low power op-amp circuit

Details High speed low power op-amp circuit High speed low power op-amp circuit

1994-07-05

1995-03-21

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

332257, 332311, H03F 345

Patent

active

053999916

ABSTRACT:
A high speed operational amplifier includes a differential amplifier input stage capable of producing a pair of complementary differential outputs. Complementary current mirrors receive the differential signals out of the first stage and combine them at a common output node for amplification by an output buffer. The circuit can be operated at low power and produces a high slew rate.

REFERENCES:
patent: 3673508 (1972-06-01), Callahan, Jr.
patent: 3927333 (1975-12-01), Euruhashi
patent: 4377789 (1983-03-01), Hoover
patent: 4532479 (1985-07-01), Blauschild
patent: 4797631 (1989-01-01), Hsu et al.

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