Noise Immunity of Touchscreen Devices | Cypress Semiconductor
Noise Immunity of Touchscreen Devices
Dealing with noise is an important aspect of any real-world electronic system, including a touchscreen in a cell phone or tablet. While there are many sources of noise that can interfere with capacitive touch sensing, the most prominent ones originate in displays and battery chargers. This white paper explores considerations for dealing with noise issues in touchscreen design.