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Heena T Shaikh,
Dr. Kazi Kutubuddin Sayyad Liyakat,
- Assitant Professor, Department of Electronics and Telecommunication Engineering, Brahmdevdada Mane Institute of Technology, Solapur, Maharashtra, India
- Professor, Department of Electronics and Telecommunication Engineering, Brahmdevdada Mane Institute of Technology, Solapur, Maharashtra, India
Abstract
CMOS operational amplifiers (op-amps) have emerged as pivotal components in modern sensor development, enabling the amplification and conditioning of weak signals with high precision and efficiency. Their inherent advantages low power consumption, compact size, and seamless integration with digital circuits make them ideal for advancing miniaturized, battery-powered sensor systems in fields ranging from biomedical devices to IoT networks. By delivering precision, power efficiency, and integration, CMOS op-amps are not just components they are enablers. By offering high input impedance and reduced noise, CMOS op-amps enhance the accuracy and reliability of sensors, particularly in applications such as MEMS, environmental monitoring, and wearable electronics. This work explores the role of CMOS op- amps in optimizing sensor performance, addressing design challenges like bandwidth limitations and thermal drift, while highlighting their adaptability to diverse sensor requirements. By addressing common design issues such restricted bandwidth, manufacturing variability, thermal drift, and trade-offs between gain and power consumption, this work investigates the role of CMOS op-amps in maximizing sensor performance. Techniques such as chopper stabilization, adaptive biasing, and rail-to-rail topologies are explored as effective strategies for enhancing performance under tight power budgets. Furthermore, the versatility of CMOS op-amps allows designers to customize amplifier characteristics to varied sensor requirements, supporting both analog and mixed-signal system designs.The synthesis of CMOS technology with sensor interfaces underscores its transformative impact on enabling smarter, more energy-efficient systems. In sensor development, they elevate performance, reduce energy demands, and unlock new possibilities in miniaturization and intelligence. As process technologies advance and system demands evolve, the synergy between CMOS op-amps and sensors will continue to drive breakthroughs in healthcare, smart cities, and the Internet of Things.
Keywords: CMOS, Sensor, Operational Amplifiers, common-mode rejection ratio, ultra-low power
Heena T Shaikh, Dr. Kazi Kutubuddin Sayyad Liyakat. A study on CMOS Operational Amplifier in Sensor Development. Journal of VLSI Design Tools and Technology. 2026; 16(01):-.
Heena T Shaikh, Dr. Kazi Kutubuddin Sayyad Liyakat. A study on CMOS Operational Amplifier in Sensor Development. Journal of VLSI Design Tools and Technology. 2026; 16(01):-. Available from: https://journals.stmjournals.com/jovdtt/article=2026/view=238929
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Journal of VLSI Design Tools and Technology
| Volume | 16 |
| 01 | |
| Received | 18/12/2025 |
| Accepted | 20/01/2026 |
| Published | 20/03/2026 |
| Publication Time | 92 Days |
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