An integrated 3-level fully adjustable PWM class-D audio amplifier in 0.35um CMOS
(2008) Norchip Conference, 2008 p.168-171- Abstract
- A Class-D audio amplifier utilizing a fully adjustable 3-level Pulse Width Modulation (PWM) is presented. The amplifier is fully integrated in a 0.35um CMOS process, and is powered by a 3.3V power supply. The system includes an internal fully adjustable triangle-wave oscillator, which is used to generate the PWM carrier. Delivering an output power of 300mW is a differential bridge (7.5cm pMOS, 3cm nMOS), driving a 16¿ load. The THD+N of the system is less than 0.2%, and the efficiency at 300mW is 89%.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1289157
- author
- Lindstrand, Jonas ; Radjen, Dejan ; Fitzgerald, Robert ; Axholt, Andreas LU and Sjöland, Henrik LU
- organization
- publishing date
- 2008
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- host publication
- [Host publication title missing]
- pages
- 168 - 171
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- conference name
- Norchip Conference, 2008
- conference location
- Talinn, Estonia
- conference dates
- 2008-11-16 - 2008-11-17
- external identifiers
-
- scopus:62949195769
- ISBN
- 978-1-4244-2492-4
- DOI
- 10.1109/NORCHP.2008.4738304
- language
- English
- LU publication?
- yes
- id
- 6d6dd610-c9b9-44f0-b44a-2e8d3af2c3a5 (old id 1289157)
- date added to LUP
- 2016-04-04 11:37:47
- date last changed
- 2024-01-13 01:30:49
@inproceedings{6d6dd610-c9b9-44f0-b44a-2e8d3af2c3a5, abstract = {{A Class-D audio amplifier utilizing a fully adjustable 3-level Pulse Width Modulation (PWM) is presented. The amplifier is fully integrated in a 0.35um CMOS process, and is powered by a 3.3V power supply. The system includes an internal fully adjustable triangle-wave oscillator, which is used to generate the PWM carrier. Delivering an output power of 300mW is a differential bridge (7.5cm pMOS, 3cm nMOS), driving a 16¿ load. The THD+N of the system is less than 0.2%, and the efficiency at 300mW is 89%.}}, author = {{Lindstrand, Jonas and Radjen, Dejan and Fitzgerald, Robert and Axholt, Andreas and Sjöland, Henrik}}, booktitle = {{[Host publication title missing]}}, isbn = {{978-1-4244-2492-4}}, language = {{eng}}, pages = {{168--171}}, publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}}, title = {{An integrated 3-level fully adjustable PWM class-D audio amplifier in 0.35um CMOS}}, url = {{http://dx.doi.org/10.1109/NORCHP.2008.4738304}}, doi = {{10.1109/NORCHP.2008.4738304}}, year = {{2008}}, }