高压运算放大器LF143的研制  

The Research of LF143 High Voltage Operational Amplifier

作　　者：段春丽[1] 胡国元[1] 

机构地区：[1]航天工业总公司西安微电子技术研究所

出　　处：《微电子学与计算机》1995年第6期47-48,共2页Microelectronics & Computer

摘　　要：本文报道了电源电压为±４０Ｖ、共模输入电压范围为±３７Ｖ、输出峰—峰电压为±３７Ｖ的通用高压运算放大器ＬＦ１４３的研制情况。该电路可以广泛应用于音频功率电路及有过电压尖峰的环境中。In this paper, we describe a high voltage operational amplifier LF143. It has characteristics of power supply high to ±40V, large output voltage swing,wide common mode input range, low input bias current, low input offset current and voltage, high voltage gain and high common mode rejection ratio.it's used in audio power amplifier and in other environments with large voltage spike on the power supply.

关 键 词：高压 运算放大器 微电子技术 

分 类 号：TN722.77[电子电信—电路与系统]