Skip to Main Content
A new low-voltage CMOS Class AB/AB fully differential opamp with rail-to-rail input/output swing and supply voltage lower than two VGS drops is presented. The scheme is based on combining floating-gate transistors and Class AB input and output stages. The op amp is characterized by low static power consumption and enhanced slew-rate. Moreover the proposed opamp does not suffer from typical reliability problems related to initial charge trapped in the floating-gate devices. Simulation and experimental results in 0.5-μm CMOS technology verify the scheme operating with ±0.9-V supplies and close to rail-to-rail input and output swing.
Circuits and Systems II: Express Briefs, IEEE Transactions on (Volume:53 , Issue: 4 )
Date of Publication: April 2006