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带隙基准源电路工艺鲁棒性设计

更新时间:2020-05-22 06:12:30 大小:292K 上传用户:IC老兵查看TA发布的资源 标签:带隙基准源 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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在电路设计中,器件和电路的性能和参数会随着制造工艺,电源电压,环境温度的改变而发生变化,随着集成度不断提高,这种偏差严重影响电路的成品率,增加了电路设计的复杂性和成本等。采用基于典型的PTAT带隙基准源,对它进行适当修改后,增加了曲率校正和频率补偿功能,达到增强其工艺鲁棒性的目的,所设计的电路在满足原功能基础上,在指定的PVT变化范围内,电路稳定性得到明显提高。

Performances and characteristics of devices and circuits would be influenced by the changing of fabrication technology,power voltage and environmental temperature.The tendency appears much more severely with increasing integrated density.This deviation would influent IC’s yield and increase circuit design’s complexity and cost.Based on typical PTAT band-gap voltage reference,some alternations have been carried out,including curve rate and frequency compensation.In this way,the circuit appears much more robust to its fabrication technology.The revised circuit appears much more stability within PVT variation scope.

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带隙基准源电路工艺鲁棒性设计.pdf 292K

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