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An Ultra Low Power Bandgap Operational at Supply From 0.75 V

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3 Author(s)
Ivanov, V. ; Texas Instrum., Inc., Tucson, AZ, USA ; Brederlow, R. ; Gerber, J.

We present an ultra low power (200 nA current consumption) reverse bandgap voltage reference operational from supply voltages down to 0.75 V. The reference is a part of microprocessor system on chip implemented in a digital 130 nm CMOS process and has a total area of 0.07 mm2. The reference accuracy is ± 2.5% (5 sigma) over a temperature range of - 20 to 85°C without trimming. With trimming ± 0.5% accuracy is achieved.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:47 ,  Issue: 7 )