Product Overview: Texas Instruments ADS7843IDBQRHB

The ADS7843IDBQRHB is a precision, 4-wire, touch screen controller from Texas Instruments, a leader in semiconductor solutions. This highly integrated device is designed to interface with resistive-type touch screen panels and is ideal for portable electronic devices such as smartphones, tablets, and personal digital assistants (PDAs).

Key Features

• High Resolution: The ADS7843IDBQRHB offers a 12-bit resolution, ensuring accurate and precise touch location detection.
• Low Power Consumption: With an operating current of just 150μA and a low-power shutdown mode that consumes only 0.5μA, it is optimized for battery-powered devices.
• Single Supply Operation: It operates from a 2.7V to 5.25V single supply, providing flexibility in various system designs.
• On-Chip Temperature Measurement: The device includes a temperature measurement feature, which can be used to monitor the temperature of the touch screen or the surrounding environment.
• Flexible Interface: It features a serial interface compatible with SPI, QSPI™, and MICROWIRE™ protocols, allowing for easy integration with most microprocessors or microcontrollers.

Applications

The ADS7843IDBQRHB is widely used in an array of applications where precise touch screen control is required. It is particularly well-suited for portable devices due to its small form factor and low power consumption. Typical applications include:

• Personal Digital Assistants (PDAs)
• Smartphones and Tablets
• GPS Navigation Systems
• Portable Instrumentation
• Point-of-Sale Terminals

Package and Quality

The device is available in a small, leaded SSOP-16 package that is designed for space-constrained applications. It is also RoHS compliant and supports industrial temperature ranges, ensuring reliable performance under various operating conditions.

Ordering Information

The ADS7843IDBQRHB can be ordered using the part number ADS7843IDBQRHB, and it is supplied in tape and reel packaging for ease of manufacturing and assembly processes.