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A Design for Low-Voltage Switched-Opamp with ON-Phase High Open-Loop Gain and OFF-Phase High-Output Impedance
Soichiro OHYAMA Akira HYOGO Keitaro SEKINE
IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Section on Analog Circuit and Device Technologies)
switched-opamp, SC circuits, low voltage, output impedance,
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A Switched-Opamp is a device in SC circuits for replacing switches with Opamps which operate like a switch. This technique can be acheived in very low voltage operation. In this paper, we present a design for a Switched-Opamp that can operate at a low supply voltage during the ON-phase and can maintain a high output impedance during the OFF-phase.