The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 1998
Filed:
May. 13, 1997
Applicant:
Inventor:
Donald M Archer, Santa Clara, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F / ;
U.S. Cl.
CPC ...
330253 ; 330258 ; 330311 ;
Abstract
A rail-to-rail input common mode range differential amplifier operates on rail-to-rail voltages down to approximately one volt by utilizing one p-channel transistor to cover a first portion of the common mode range, and a second p-channel transistor to cover a second portion of the common mode range.