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Low-power low-voltage reference using peaking current mirror circuit

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2 Author(s)
Cheng, M.-H. ; Dept. of Electr. & Control Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan ; Wu, Z.-W.

A low-power low-voltage bandgap reference using the peaking current mirror circuit with MOSFETs operated in the subthreshold region is presented. A demonstrative chip was fabricated in 0.35 μm CMOS technology, achieving the minimum supply voltage 1.4 V, the reference voltage around 580 mV, the temperature coefficient 62 ppm/°C, the supplied current 2.3 μA, and the power supply noise rejection ratio of -84 dB at 1 kHz.

Published in:

Electronics Letters  (Volume:41 ,  Issue: 10 )