Abstract
Commonly the voltage offset of an operational amplifier is only measured and specified in the datasheet but for this device, it is the first device to implement the trimming of the voltage offset that will provide a more accurate output across different gain settings. With the implementation, there were problems encountered particularly the mistrimming of the voltage offset wherein it should be within the datasheet specification and it is in uV range. Even though the Automated Test Equipment (ATE) is capable of measuring uV, there are other contributors that are causing the mistrimming. And in this research, it aims to show the root cause using circuit simulations, develop/implement a proposed solution, and prove that proposed solution will solve the mistrimming issue.
Published Version
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