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High slew-rate CMOS operational amplifier

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3 Author(s)
P. C. Subramaniam ; Dept. of Electron. Eng., Nat. Inst. of Technol., Calicut, India ; C. R. Manoj ; T. M. Karemulla

A 0.8 μm CMOS operational amplifier configuration with a slew rate in excess of 2 V/ns and a unity gain bandwidth of 55 MHz with a load capacitance of 15 pF is proposed. This employs a dynamic technique that turns on a large current source when the rate of change of input is larger than a pre-decided value.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 8 )