一种用于模拟电路修调的EEPROM电路
An EEPROM Circuit for Analog Trim
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摘要: 介绍了一种用在模拟电路中修调的EEPROM电路.该电路采用一种新型的单层多晶EEPROM结构,与传统的双栅EEPROM结构相比,该结构与数字CMOS工艺兼容,成本低、成品率高.使用在一个基准电压电路中时,其基准电压的调节范围达到±4.82%,调节精度达到4mV.EEPROM修调电路可广泛应用于各种高精度需求的电路中.Abstract: A new EEPROM circuit for analog trim is proposed.Comparing with the traditional double-gate EEPROM structure, the new EEPROM structure is not only with standard CMOS processes but also has low cost and high yield.When used in the voltage reference circuit, this circuit can achieve a voltage range about±4.82%, and a precision about 4mV.This circuit also can be widely used in the high precious required circuits.
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