差分应用的浮动CMOS带隙基准电压

M. Ferro, F. Salerno, Rinaldo Castello
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引用次数: 55

摘要

提出了第一个浮动CMOS带隙基准电压。该电路非常适合全差分模拟电路的精密应用。它在修整前产生2.48V±24 mV的连续时间低阻抗电压。实验样机占地1800平方毫米,在5V的单电源电压下耗散6兆瓦。温度稳定性优于20 ppm/C,温度范围为0 ~ 100度。在100KHz时测量到的高频电源抑制- 50db是有史以来最好的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Floating CMOS Bandgap Voltage Reference For Differential Applications
The first floating CMOS bandgap voltage reference is presented. The circuit is very suitable for precision applications in fully differential analog circuits. lt generates a continuous time low impedance voltage of 2.48V ± 24 mV before trimming. The experimental prototype occupies 1800 mils square and dissipates 6 mW with a single supply voltage of 5V. Temperature stability is better than 20 ppm/C over a temperature range from 0 to 100 degree. The measured high frequency power supply rejection of-50 dB at 100KHz is the best ever reported.
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