High-PSRR low-power single supply OTA Academic Article

abstract

• A CMOS single supply operational transconductance amplifier (OTA) is reported. It has high power supply rejection capabilities over the entire gain bandwidth. The OTA is fabricated using the AMI 0.5m CMOS process. Measurements show power supply rejection ratio (PSRR) of 120dB to 10kHz. At 10MHz, PSRR is 40dB. The high performance PSRR is achieved using a high impedance current source and two noise reduction techniques. The OTA offers very low current consumption of 25A from a 3.3V supply. It is suitable for applications such as low drop out voltage regulators. 2010 The Institution of Engineering and Technology.

authors

• Hoyos, Sebastian

published proceedings

• ELECTRONICS LETTERS

author list (cited authors)

• Sobhy, E. A., Hoyos, S., & Sanchez-Sinencio, E.

citation count

• 11

complete list of authors

• Sobhy, EA||Hoyos, S||Sanchez-Sinencio, E

publication date

• March 2010

publisher

• Institution of Engineering and Technology (IET)  Publisher

published in

• Electronics Letters  Journal

keywords

• 40 Engineering
• 4006 Communications Engineering
• 4009 Electronics, Sensors And Digital Hardware

Digital Object Identifier (DOI)

• 10.1049/el.2010.3455

start page

• 337

end page

• U4855

volume

• 46

issue

• 5

URL

• http%3A%2F%2Fdx.doi.org%2F10.1049%2Fel.2010.3455