An Ultralow-Power Low-Voltage Fully Differential Opamp for Long-Life Autonomous Portable Equipment

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Provided by: International Journal of Engineering Research and Development (IJERD)
Topic: Hardware
Format: PDF
The growing demand for long-life autonomous portable equipment is driving the current trend toward Low-power design. Nevertheless, the systems need to have very long-time battery lifetimes since, in most cases, it is not possible to recharge or replace batteries frequently. As a result, speed and/or dynamic range sometimes might have to be sacrificed in order to conserve energy analog circuits based on transistors operating in the sub threshold region consume less energy for active operation and dissipate less leakage power than operating in the strong inversion region.
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