AD7889-1ACBZ-500R7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Touchscreen:	4 Wire Resistive
Resolution (Bits):	12 b
Interface:	I²C, Serial
Voltage Reference:	External
Voltage - Supply:	1.6 V ~ 3.6 V
Current - Supply:	10nA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	12-UFBGA, WLCSP
Supplier Device Package:	12-WLCSP (1.51x2.01)
Base Part Number:	AD7889

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Data Acquisition - Touch Screen Controllers

The AD7889-1ACBZ-500R7 is a powerful and versatile data acquisition touch screen controller. It is a versatile sensing solution that reduces the size and complexity of data acquisition design while significantly increasing the accuracy and repeatability of measurements. In this article, we\'ll discuss the application field and working principles of the AD7889-1ACBZ-500R7.As one of the most advanced touch screen controllers available on the market, the AD7889-1ACBZ-500R7 is suitable for a wide range of applications. These include industrial automation, metering, medical and laboratory equipment, industrial controls, and laboratory applications. It is also ideal for touch screen-based user interfaces, as it can be used to construct custom user interfaces such as menus, information retrieval, and task/goal-oriented applications.The AD7889-1ACBZ-500R7 features a robust, low-power CMOS architecture and specialized analog functions that provide high accuracy and reliability. The controller provides touch detection, data acquisition and input control functions. The controller is capable of detecting both single and multi-touch points on the panel, making it ideal for applications that require high resolution input accuracy.Analog data acquisition is handled by an integrated A/D converter (ADC), which is capable of acquiring data with a resolution of 5, 10, or 16 bits. The controller can be operated in either a dual-stream or single-stream mode depending on the application.Once a panel is touched, the controller will detect the coordinates of the touch point and execute the associated event command, such as a toggle switch or a slide knob. The controller measures the time elapsed between two consecutive touches on the panel and uses this information to prevent the user from making too many changes in a short period of time. This feature makes the AD7889-1ACBZ-500R7 ideal for applications that require data accuracy and repeatability.The AD7889-1ACBZ-500R7 also features a wide range of input capabilities, including RS-232, I2C and SPI interfaces, as well as a USB interface. This makes it convenient for customers to integrate the controller into their own products. Additionally, the controller includes a secure Digital Gate Line Mode that allows the user to control access to the desired data.Additionally, the controller also features a built-in multi-mode capacitive sensing interface, which can be used with resistive, capacitive, and resistive-capacitive touchscreens. This interface allows for enhanced sensitivity, improved linearity, and enhanced noise immunity.In conclusion, the AD7889-1ACBZ-500R7 is a powerful, easy-to-use, and versatile device that enables high accuracy and repeatability in various data acquisition and touch screen-based applications. Its robust CMOS architecture, specialized analog functions, wide range of input capabilities, and secure digital gate line mode make it an ideal choice for a variety of data acquisition applications.

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