A Behavior Model of Discrete Sampling and Hold Amplifier based on AC Response

Authors: Wang Xing-hua, Zhong Shun-an, Zhang Zhuo

Abstract:

A kind of behavior model for discrete sampling and hold amplifier with charge transmission is analyzed. The transfer function and behavior features are based on the main AC responses of operation amplifier. The result used in pipelined and sigma-delta ADC shows the exact of model of sampling and hold amplifier, and the non-ideal factors are taken into account.

Keywords: SHA, response, behavior, transfer function.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1079196

References:

[1] P. R.Gray, R.G Meyer. Analysis and Design of Analog Integrated Circuits,2nd Edition New York: Wiley,1982.
[2] Waltari M E, Halonen K A I. Circuit techniques for low-voltage and high speed A/D converters (M). Dordrecht, Netherlands, Kluwer Academic Publisher, 2002.
[3] Liu Chang-Wei. A loop charge method for the Z-domain analysis of switched-capacitor networks. Journal of electronics & information technology, 1994, 16(1) : 96-101.
[4] Ahmadi M.A new modeling and optimization of gain-boosted cascade amplifier for high-speed and low-voltage applications (J).IEEE Tran. Circuit Syst.II, 2006,53(3):169-173.
[5] Chouia Y, Ei-Sankary K, Saleh A, et al. 14b, 50MS/s CMOS front-end sample and hold module dedicated to a pipelined ADC(C). In: The 47th IEEE International Midewest Symposium on Circuits and Systems, 2004: 353-356.
[6] Ma Wei-Wei, Wang You-Ren, Shi Yu, CuiHui. Reconfigurable analog circuit and application design based on operational transconductance amplifier. Journal of electronics & information technology, 2009, 31 (7): 1775-1778.