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12 V Σ-Δ class-D amplifier in 5 V CMOS technology

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2 Author(s)
Ballan, H. ; Electron. Lab., Swiss Federal Inst. of Technol., Lausanne, Switzerland ; Declercq, M.

A 12 V, 5.7 W class-D single chip amplifier, based on a Σ-Δ modulator and a full-bridge output, has been integrated in a standard 5 V CMOS technology. Circuit techniques are used to cope with the voltage limitations of the devices. Stand-by power dissipation is reduced to 20 mW thanks to a new level-shifter cell.

Published in:

Custom Integrated Circuits Conference, 1995., Proceedings of the IEEE 1995

Date of Conference:

1-4 May 1995