Patent ID: 6034567
Filing Date: 2000-03-07
Classification: H03F

Abstract:
A semiconductor integrated circuit device provided with a differential amplifier, said differential amplifier comprising:first and second first conductivity type MOS transistors to respective gates of which input signals are fed, said first and second transistors constituting a differential pair; andthird and fourth second conductivity type MOS transistors, drains of which are connected to drains of said first and second first conductivity type MOS transistors, respectively said third and fourth transistors constituting a load transistor pair with respect to said differential pair,an output signal being delivered through one of a node between said first MOS transistor and said third MOS transistor and a node between said second MOS transistor and said fourth MOS transistor,wherein said first, second, third and fourth MOS transistors are made to operate in a weak inversion region.