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无源电容误差平均技术是一种本质线性（Inherently Linear）的流水线模数转换电容失配校准技术,但其转换速度是传统技术的一半.为了提高速度,本文提出了一种改进的电容误差平均技术.该技术从减少一个转换周期所需的时钟相数目和减少每个时钟相的时间两个方面来优化速度.电路分析和MATLAB仿真表明,在两种典型的情况下,改进的技术能将速度提高52％（跨导放大器为开关电容共模反馈）和64％（跨导放大器为非开关电容共模反馈）以上.改进的技术更适用于高速高精度及连续工作的应用场合.
Passive capacitance error averaging technique is a kind of Inherently Linear pipeline analog-to-digital conversion capacitance mismatch calibration technology, but the conversion speed is half of the traditional technology.In order to improve the speed, this paper presents an improved capacitance error average Technology that optimizes speed by reducing the number of clock phases needed for one conversion cycle and reducing the time per clock phase.Analysis of the circuit and MATLAB simulation show that in both typical cases the improved technique can Speed increase of 52% (transconductance amplifier for switched capacitor common mode feedback) and 64% (transconductance amplifier for non-switched capacitor common mode feedback) more improved technology is more suitable for high-speed high-precision and continuous working applications.