Low Voltage Buffered Bandgap Reference

We propose a new bandgap reference topology for supply voltages as low as one diode drop (~0.8V). In conventional low-voltage references, supply voltage is limited by the generated reference voltage. Also, the proposed topology generates the reference voltage at the output of the feedback amplifier....

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Main Authors: Hazucha, P., Paillet, F., Sung Tae Moon, Rennie, D.J., Schrom, G., Gardner, D.S., Ikeda, K., Gellman, G., Karnik, T.
Format: Conference Proceeding
Language:English
Subjects:
Circuit topology
DC-DC power converters
Diodes
Feedback amplifiers
Low voltage
Operational amplifiers
Photonic band gap
Resistors
Switching converters
Virtual reality
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creator Hazucha, P.
Paillet, F.
Sung Tae Moon
Rennie, D.J.
Schrom, G.
Gardner, D.S.
Ikeda, K.
Gellman, G.
Karnik, T.
description We propose a new bandgap reference topology for supply voltages as low as one diode drop (~0.8V). In conventional low-voltage references, supply voltage is limited by the generated reference voltage. Also, the proposed topology generates the reference voltage at the output of the feedback amplifier. This eliminates the need for an additional output buffer, otherwise required in conventional topologies. With the bandgap core biased from the reference voltage, the new topology is also suitable for a low-voltage shunt reference. We fabricated a 1V, 0.35mV/degC reference occupying 0.013mm 2 in a 90nm CMOS process
doi_str_mv 10.1109/ISQED.2007.99
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identifier ISSN: 1948-3287
ispartof 8th International Symposium on Quality Electronic Design (ISQED'07), 2007, p.93-97
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1948-3295
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source IEEE Xplore All Conference Series
subjects Circuit topology
DC-DC power converters
Diodes
Feedback amplifiers
Low voltage
Operational amplifiers
Photonic band gap
Resistors
Switching converters
Virtual reality
title Low Voltage Buffered Bandgap Reference
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