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本文主要讨论Maxim MAX44000接近检测传感器在手持式触摸屏应用中的优势,介绍了设计中的注意事项。包括如何降低系统中的串扰、改善噪声抑制、减轻应用处理器的负荷。附录给出了有关门限滞回设置的C程序代码。为什么使用接近检测传感器?
This article focuses on the benefits of the Maxim MAX44000 Proximity Detection Sensor in a handheld touch-screen application and introduces design considerations. Including how to reduce the crosstalk in the system, improve the noise suppression, and reduce the load on the application processor. The appendix gives the C program code for the threshold hysteresis setting. Why use proximity sensor?