AD7843ARUZ

Series:	--
Packaging:	Tube
Part Status:	Active
Touchscreen:	4 Wire Resistive
Resolution (Bits):	12 b
Interface:	Serial
Voltage Reference:	External
Voltage - Supply:	2.2 V ~ 5.25 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	AD7843

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AD7843ARUZ Application Field and Working Principle

Data acquisition has the potential to transform the way businesses collect, manage and process data rapidly. Touch screens have become increasingly popular in digital applications because they provide a fast and easy way to interact with devices and display data. The AD7843ARUZ is a low power, low voltage, multi-function touch screen controller for capacitive sensing digital input devices that combine both X-Y position sensing and resistance measurement capabilities. This versatile device can be used in a variety of settings, including industrial settings and medical products.The AD7843ARUZ is designed to support an extensive range of input types, while consuming low power. It is capable of accepting inputs from various types of touch screens, including resistive and capacitive screens, making it ideal for use in a wide variety of applications. Additionally, the device can detect gloved or ungloved input (e.g. with stylus) as well as offer superior sensitivity and accuracy.The AD7843ARUZ is also highly integrated and configurable, offering optimized set up for many different applications. It can provide four different modes of operation for different uses, including Measurement Mode, which is suitable for devices that need repeatable measurements such as power meters, and Pointing Mode, which is suitable for single tap applications such as digital pens. Other configurable settings include sample rate, touch detection thresholds and current limit.The internal circuitry of the device includes a low noise, 16-bit A/D converter and an internal filtering algorithm. The power requirements for the device are quite low, allowing it to be used in battery-powered systems.The AD7843ARUZ features a patented touch screen algorithm that utilizes both on-chip and off-chip components to provide superior accuracy and reliability. The algorithm is programmed into the device\'s onboard memory and is configurable, offering users the ability to customize the performance of their device according to their application\'s requirements.The device also features a number of other features, including an on-chip reference voltage and a temperature sensor. The reference voltage allows the device to use less power while measuring a wider range of touch screen inputs. Additionally, the device supports a variety of capacitive sensing arrays, including those based on mutual capacitance, self-capacitance and hybrid capacitive sensing technologies.The AD7843ARUZ is an ideal choice for a variety of data acquisition applications, such as those that require reliable, accurate, and low power point-of-touch solutions. It is simple to configure and can be used with a variety of touch screens, such as those based on mutual capacitance, self-capacitance, and hybrid capacitive sensing technologies. With its low power requirements and extensive features, the AD7843ARUZ is a reliable and cost-effective choice for data acquisition.

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