一种高性能BiCMOS差分参考电压源

doi:10.3969/j.issn.1001-2400.2012.04.003

J4 ›› 2012, Vol. 39 ›› Issue (4): 11-16.doi: 10.3969/j.issn.1001-2400.2012.04.003

一种高性能BiCMOS差分参考电压源

赵磊;杨银堂;朱樟明;刘帘曦

(西安电子科技大学微电子学院，陕西西安 710071)

收稿日期:2011-04-06 出版日期:2012-08-20 发布日期:2012-10-08
通讯作者: 赵磊
作者简介:赵磊(1982-)，男，西安电子科技大学博士研究生，E-mail: leizhao.ic@gmail.com．
基金资助:
国家自然科学基金资助项目(60725415,60971066,61006028);国家863资助项目(2009AA01Z258);陕西省重大技术创新专项(2009ZKC02-11)

High performance BiCMOS differential reference voltage generator

ZHAO Lei;YANG Yintang;ZHU Zhangming;LIU Lianxi

(School of Microelectronic, Xidian Univ., Xi'an 710071， China)

Received:2011-04-06 Online:2012-08-20 Published:2012-10-08
Contact: ZHAO Lei

摘要/Abstract

摘要：

采用电流求和结构，提出了一种高性能BiCMOS差分参考电压源，引入零反馈补偿技术有效提高了差分参考电压的电源抑制比，电流求和温度补偿技术保证了差分参考电压的高精度、低温漂．基于ASMC 0.35μm 3.3V BiCMOS工艺的仿真和测试结果表明，在低频和100MHz时，参考差分电压对电源噪声抑制比为78.1dB和66.7dB，对地线噪声抑制比为72.4dB和63.8dB，输出差分参考电压的平均温度系数为11×10^-6/℃，有效芯片面积为2.2mm²，功耗小于15mW，可应用于14位100MHz流水线模/数转换中．

关键词: 带隙基准源, 零反馈补偿, BiCMOS, 差分参考电压

Abstract:

A high performance BiCMOS differential reference voltage generator with a current summing architecture is presented. The power supply rejection ratio (PSRR) is improved by using feedback-zero compensation. A high precision and low temperature drift are attained in the current summing temperature compensation mode. In the ASMC 0.35μm 3.3V BiCMOS process, the differential reference voltage generator is simulated and tested below: At a low frequency and at 100MHz, the positive power supply rejection ratio (PSRR⁺) is 78.1dB and 66.7dB, respectively, the negative power supply rejection ratio (PSRR⁺) is 72.4dB and 63.8dB, respectively, the average temperature coefficient of the output differential reference voltage is 11×10^-6/℃, the active area is 2.2mm², and the power comsumption is less than 15mW. This proposed differential reference voltage generator can be applied in a 14 bit 100MHz pipeline ADC.

Key words: bandgap reference, feedback-zero compensation, BiCMOS, differential reference voltage

中图分类号:

TN433

赵磊;杨银堂;朱樟明;刘帘曦. 一种高性能BiCMOS差分参考电压源[J]. J4, 2012, 39(4): 11-16.

ZHAO Lei;YANG Yintang;ZHU Zhangming;LIU Lianxi. High performance BiCMOS differential reference voltage generator[J]. J4, 2012, 39(4): 11-16.

参考文献

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[2]	刘帘曦;杨银堂;朱樟明. 基于MOSFET失配分析的低压高精度CMOS带隙基准源[J]. J4, 2005, 32(3): 348-352.

一种高性能BiCMOS差分参考电压源

High performance BiCMOS differential reference voltage generator

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