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A High Performance Reference Circuit with Optimized Input Offset Operational Amplifier using Device Mismatch ModelBy Anil K. Saini, Kapil K. Rajput, Sanjay Singh, Ravi Saini
Abstract: In this paper, author describes a band gap reference (BGR) circuit, having reference voltage 1.20V with maximum temperature coefficient of 63 ppm/0C in temperature range of –40 to 120 0C. The circuit operates in range of supply voltage, 3.0V to 3.6V. An operational amplifier (op-amp), whose input offset voltage is reduced upto 892 µV using Pelgrom’s device mismatch model is used in BGR. The power supply rejection ratio of circuit …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 1, 2013 · pp. 1–7 Read article →