Passive slew rate enhancement technique for Switched-Capacitor Circuits

被引：0

作者：

Kareppagoudr, Manjunath ^{[1
]}

Caceres, Emanuel ^{[1
]}

Kuo, Yu-Wen ^{[1
]}

Shakya, Jyotindra ^{[1
]}

Wang, Yanchao ^{[1
]}

Temes, Gabor C. ^{[1
]}

机构：

[1] Oregon State Univ, Sch Elect Engn & Comp Sci, Corvallis, OR 97331 USA

来源：

2019 IEEE 62ND INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS (MWSCAS) | 2019年

基金：

美国国家科学基金会;

关键词：

Slew rate; operational transconductance amplifiers; Charge compensation technique; switched capacitor circuits; Delta sigma ADC;

D O I：

10.1109/mwscas.2019.8885160

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A passive charge compensation technique is proposed for switched capacitor circuits which increases the slew rate of its amplifiers. Higher linearity can be achieved by adding a small amount of circuitry with low power consumption. The proposed technique is implemented in a single-bit discrete time second-order delta sigma modulator in 65-nm CMOS technology, where simulation results show an improvement of 12 dB SNDR. Alternatively, the same performance can be achieved with almost half of the power consumption with charge compensation circuit activated.

引用

页码：913 / 916

页数：4

共 8 条

[1] A Dynamic Zoom ADC With 109-dB DR for Audio Applications [J].