Description

ADS7846E/2K5 is a touch screen controller electronic component designed and produced by Texas Instruments. It provides a simple and efficient way to implement touch screens in various applications, such as portable devices, industrial control panels, and medical instruments.

Specifications and features

ADS7846E/2K5 touch screen controller has the following specifications and features:

• Supports up to 4-wire touch screen
• Includes 12-bit SAR ADC converter
• Operates on a single 2.7V to 5.25V power supply
• Has a low standby current consumption of 0.1uA
• Provides an interrupt output pin for touch detection
• Includes programmable functions for threshold, debounce, and differential reference voltage

Application Scenarios

ADS7846E/2K5 touch screen controller can be used in various applications, such as:

• Portable devices, such as smartphones, tablets, and PDAs
• Industrial control panels for machinery and equipment
• Medical instruments, such as monitors and diagnostic equipment
• Automotive infotainment systems
• Gaming devices and consoles

Comparison

Advantages:

• Supports up to 4-wire touch screen, making it suitable for various touch screen applications
• Low standby current consumption of 0.1uA, resulting in low power consumption
• Has programmable functions for threshold, debounce, and differential reference voltage, allowing customization for different applications

Disadvantages:

• Operates on a single power supply voltage, which may limit its use in certain applications