A 7.6b ENOB, 16× Gain, 360mVpp Output Swing, Open-Loop Charge Steering Amplifier

Zhuang, Haoyu; Cao, Qinghua; Peng, Xizhu; Tang, He

doi:10.1109/access.2020.3037228

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2021

2022

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Cited by 2 publications

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“…But the adoption of high threshold voltage devices increases the complexity of the process. The differential input pair in the amplifier employs transistors in the linear region is another technique to get a high output range [22]. However, the drawback is the reduction of the gain.…”

Section: Introductionmentioning

confidence: 99%

A 2.5-Vpp PVT-insensitive high dynamic range output stage using bulk voltages adjustment

Liu

Chen

Tang

2022

IEICE Electron. Express

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This paper presents a process, voltage, and temperature (PVT)insensitive high dynamic range output stage for switched-capacitor (SC) circuits. A new technique of constant threshold voltages using bulk voltages adjustment is presented to realize the output stage with the N and P-type (N-P) complementary transistors. Boosting circuits are used to generate bulk voltages higher than the supply voltage or lower than the ground voltage. The stability of the bulk loop consisting of a boosting circuit, an amplifier, and a replica transistor is studied. This design is implemented in TSMC 0.18𝜇m technology. Simulation results show that the output stage can achieve a differential dynamic range of 2.5Vpp, obtaining a significant 47% improvement.

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Section: Introductionmentioning

confidence: 99%