The EVAL-AD7843EBZ is a high-performance evaluation board presented by Analog Devices Inc., designed for testing and assessing the capabilities of the AD7843 Touch Screen Digitizer. The AD7843 is a 12-bit successive approximation analog-to-digital converter (SAR ADC) with a synchronous serial interface and low on-resistance switches for driving touch screens. This evaluation board is an essential tool for engineers and designers looking to integrate touch screen functionality into their applications.
Featuring a compact and user-friendly design, the EVAL-AD7843EBZ is equipped with a variety of features to facilitate easy testing and integration. The board comes with the AD7843 chip pre-installed, and it provides access to all the signal pins via edge connectors, making it straightforward to connect to a touch screen and a host microcontroller or processor for data acquisition and processing.
The evaluation board is designed to work with a wide range of touch screens, supporting 4-wire resistive touch screen models commonly used in industrial controls, personal digital assistants (PDAs), and other touch-enabled devices. The AD7843 itself is capable of on-chip temperature measurement and battery voltage monitoring, adding to the versatility of the EVAL-AD7843EBZ for various application requirements.
The EVAL-AD7843EBZ also includes a reference design and comprehensive documentation to assist developers in understanding the operation of the AD7843 and how to best utilize the evaluation board. Software support is provided, enabling users to interact with the board through a graphical user interface (GUI), making it easier to manipulate the settings and read data from the touch screen.
In summary, the EVAL-AD7843EBZ from Analog Devices Inc. is a robust evaluation platform that provides developers with a convenient and efficient way to evaluate the performance of the AD7843 Touch Screen Digitizer. Whether for prototyping or educational purposes, this evaluation board is an invaluable resource for any project involving touch screen technology.