CP8461AT

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CP8461AT is a type of data acquisition touch screen controller created by the Concordia Technologies Company. This controller can be used to capture and process data from a touch screen. It is a powerful and reliable device that can be used for a variety of applications.

The CP8461AT has a wide range of features that make it suitable for a variety of touch screen applications. It has a fast data rate, with a maximum of up to 8kHz, and is capable of up to 24-bit data acquisition. Additionally, it can be used with different types of touch screens, including those using capacitive sensors, resistive sensors, and optical sensors. Furthermore, the CP8461AT has a variety of integrated functions and features, such as calibration, debouncing, and up to eight individual pressure thresholds per surface. Other features include four independent linear scaling ranges, sixteen dedicated finger outputs, temperature compensation, and a power-saving mode.

The CP8461AT has a variety of applications, including industrial, medical, gaming, and computer interface systems. It is also used in digital signage and kiosk systems. In addition, the CP8461AT can be used in automotive applications such as telematics and infotainment systems. The CP8461AT is also suitable for augmented reality applications, such as those used in smart glasses, head-mounted displays, and hand-held devices.

The working principle of the CP8461AT is based on the principle of capacitance-to-voltage conversion. The controller consists of two sub-circuits, a capacitance converter circuit and a voltage compensation circuit. The converter circuit uses a variable resistance to modulate the capacitance of the touch screen panel. The variable resistance reacts with the changes in capacitance on the touch panel. This is then sent to the voltage compensation circuit to be converted into a voltage signal.

Once the voltage signal is generated, the CP8461AT begins its data acquisition process. The controller takes the analog signal from the touch panel, filters it, and digitize it. This data is then sent to the application through its digital I/O interface. The controller also includes a calibration system to ensure that the signals are properly calibrated for accuracy. Additionally, it has a number of features to ensure reliable operation, such as frequency compensation, auto-calibration, and self-diagnostics.

The CP8461AT is an efficient and reliable touch screen controller. It is capable of providing accurate and reliable data acquisition for a variety of touch screen applications. Its powerful features make it ideal for industrial, medical, gaming, automotive, and other applications. Additionally, the CP8461AT is designed to work efficiently and reliably, providing reliable data acquisition even in harsh environments.

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