Burr-Brown (Texas Instruments)

ADS7845E/2K5  

Touch Screen Controllers

ADS7845E/2K5 Description

The ADS7845E/2K5 is a high-performance 5-wire resistive touchscreen controller designed for a wide range of applications requiring precise touch input. Manufactured by Burr-Brown, a division of Texas Instruments, this device is part of the Data Acquisition ICs category and is known for its robust performance and reliability. The ADS7845E/2K5 features a 12-bit resolution, providing accurate and detailed touch coordinate data. It operates within a supply voltage range of 2.7V to 5.5V and draws a low supply current of 280 µA, making it suitable for power-sensitive applications. The device is designed for surface mount assembly and is available in bulk packaging, ensuring ease of integration into various electronic systems. The ADS7845E/2K5 utilizes an external voltage reference, which allows for flexibility in system design and ensures high accuracy in touch detection. Its serial interface facilitates seamless communication with microcontrollers and other processing units, enabling efficient data transfer and control.

ADS7845E/2K5 Features

• Touchscreen Technology: The ADS7845E/2K5 employs a 5-wire resistive touchscreen technology, which is known for its durability and accuracy. This type of touchscreen is highly responsive and can withstand repeated use without degradation in performance.
• Resolution: With a 12-bit resolution, the ADS7845E/2K5 provides precise touch coordinates, ensuring accurate user input and a high-quality user experience.
• Power Efficiency: The device operates within a supply voltage range of 2.7V to 5.5V and consumes only 280 µA of current, making it ideal for battery-powered and low-power applications.
• Mounting Type: The surface mount design of the ADS7845E/2K5 allows for easy integration into compact and space-constrained systems, enhancing its versatility.
• External Voltage Reference: The use of an external voltage reference ensures high accuracy and flexibility in system design, allowing engineers to optimize the performance based on specific application requirements.
• Serial Interface: The serial interface of the ADS7845E/2K5 facilitates efficient communication with microcontrollers and other processing units, enabling seamless integration into various electronic systems.

ADS7845E/2K5 Applications

The ADS7845E/2K5 is ideal for a variety of applications that require reliable and precise touch input. Some specific use cases include:

• Industrial Control Panels: The robustness and accuracy of the 5-wire resistive touchscreen make it suitable for industrial control panels where durability and precision are critical.
• Medical Equipment: The device's high resolution and low power consumption make it ideal for medical equipment that requires precise touch input and long battery life.
• Consumer Electronics: The ADS7845E/2K5 can be used in consumer electronics such as tablets, e-readers, and point-of-sale (POS) systems, where a responsive and accurate touchscreen is essential.
• Automotive Displays: The device's durability and low power consumption make it suitable for automotive displays, where reliability and efficiency are paramount.

Conclusion of ADS7845E/2K5

The ADS7845E/2K5 is a versatile and high-performance touchscreen controller that offers significant advantages over similar models. Its 12-bit resolution, low power consumption, and flexible design make it an ideal choice for a wide range of applications. Whether used in industrial control panels, medical equipment, consumer electronics, or automotive displays, the ADS7845E/2K5 ensures precise touch input and reliable performance. With its robust 5-wire resistive touchscreen technology and efficient serial interface, the ADS7845E/2K5 stands out as a reliable and efficient solution for touch-sensitive applications.

ADS7845E/2K5 Documents

Download datasheets and manufacturer documentation for ADS7845E/2K5

Datasheets :

ADS7845E/2K5 Datasheet