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....

Full description

Saved in:
Bibliographic Details
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
Online Access:Request full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary: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
ISSN:1948-3287
1948-3295
DOI:10.1109/ISQED.2007.99