Texas Instruments

ADS7845E  

Touch Screen Controllers

ADS7845E Description

The ADS7845E is a high-performance, 12-bit analog-to-digital converter (ADC) designed for touchscreen applications. Manufactured by Texas Instruments, this device offers a 5-wire resistive touchscreen interface and is available in a 16-pin SSOP package. With a supply voltage range of 2.7V to 5.5V and a low power consumption of 280 µA, the ADS7845E is suitable for battery-powered and portable applications.

ADS7845E Features

• 12-bit Resolution: The ADS7845E offers 12-bit resolution, providing accurate touch sensing and pressure measurement capabilities.
• External Voltage Reference: An external voltage reference allows for greater flexibility and customization in touchscreen applications.
• Serial Interface: The device features a serial interface for easy integration with microcontrollers and other digital systems.
• Low Power Consumption: With a supply current of just 280 µA, the ADS7845E is ideal for battery-powered and portable applications.
• Wide Supply Voltage Range: The 2.7V to 5.5V supply voltage range ensures compatibility with a wide range of power sources.
• REACH Unaffected and RoHS3 Compliant: The ADS7845E meets environmental regulations, making it suitable for use in various applications.

ADS7845E Applications

The ADS7845E is ideal for a variety of touchscreen applications, including:

1. Portable Electronic Devices: Due to its low power consumption and wide supply voltage range, the ADS7845E is well-suited for use in portable devices such as smartphones, tablets, and e-readers.
2. Industrial Touchscreens: The device's robust performance and wide supply voltage range make it suitable for industrial touchscreen applications, such as HMIs and control panels.
3. Medical Equipment: The ADS7845E can be used in medical equipment with touchscreen interfaces, providing accurate touch sensing and pressure measurement capabilities.
4. Point-of-Sale Terminals: The device's low power consumption and wide supply voltage range make it an excellent choice for POS terminals and other commercial applications.

Conclusion of ADS7845E

The ADS7845E from Texas Instruments is a versatile and high-performance touchscreen controller that offers a range of benefits for various applications. Its 12-bit resolution, external voltage reference, and low power consumption make it an ideal choice for portable and battery-powered devices, while its wide supply voltage range and REACH unaffected status ensure compatibility and environmental compliance. With its robust performance and flexibility, the ADS7845E is a reliable solution for a wide range of touchscreen applications.

ADS7845E Documents

Download datasheets and manufacturer documentation for ADS7845E

Datasheets :

ADS7845 Datasheet      

HTML Datasheet :

ADS7845 Datasheet