A high-frequency track-and-hold stage with offset and gain compensation

Author

Temes, Gabor C. ; Huang, Yunteng ; Ferguson, Paul F., Jr.

Author_Institution

Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA

Volume

42

Issue

8

fYear

1995

fDate

8/1/1995 12:00:00 AM

Firstpage

559

Lastpage

561

Abstract

A novel fully differential track-and-hold stage is proposed. The gain of the stage does not depend on capacitor matching, and it uses a predictive correlated-double-sampling scheme to reduce the effects of op-amp offset and finite dc gain. Due to these properties, it is well suited for the construction of a fully differential sample-and-hold stage using a ping-pong approach. Simulations indicate that the circuit is capable of high-speed and high-accuracy operation without requiring high-quality components

Keywords

compensation; sample and hold circuits; DC gain; circuit simulation; fully differential sample-and-hold stage; gain compensation; high-frequency track-and-hold stage; high-speed operation; offset compensation; op-amp offset; ping-pong; predictive correlated-double-sampling; Capacitors; Circuit noise; Circuit simulation; Clocks; Delay; Noise reduction; Operational amplifiers; Sampling methods; Virtual manufacturing; Voltage;

fLanguage

English

Journal_Title

Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on

Publisher

ieee

ISSN

1057-7130

Type

jour

DOI

10.1109/82.404076

Filename

404076