A 116-dB CMOS op amp with repetitive gain boosting and subthreshold operation
Shi Bu, Ka Nang Leung
Abstract
Shi Bu, Ka Nang Leung
Abstract
This work proposes a simple high-gain single-stage op amp design that operates at low power (∼100 µW) and low voltage (±1 V) without severely sacrificing unity gain frequency and slew rate. Simulation results that demonstrate the performance of this design are also presented.
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This work proposes a simple high-gain single-stage op amp design that operates at low power (∼100 µW) and low voltage (±1 V) without severely sacrificing unity gain frequency and slew rate. Simulation results that demonstrate the performance of this design are also presented.
Key concepts: Subthreshold conduction, Slew rate, CMOS, Boosting (machine learning), Voltage, Open-loop gain, Low-power electronics, Electronic engineering