Manufacturer Part Number
ADS7846IRGVT
Manufacturer
Texas Instruments
Introduction
The ADS7846 is a 12-bit touch screen controller with a 4-wire resistive interface.
Product Features and Performance
12-bit resolution
Compatible with 4-wire resistive touch screens
SPI interface for communication with microcontrollers
External and internal voltage reference options
Low supply current (500 µA)
Product Advantages
High precision with 12-bit resolution
Flexible power options accommodating a range of 2.2V to 5.25V
Low power consumption suitable for battery-powered applications
Robust operation range from -40°C to 85°C
Key Technical Parameters
Resolution (Bits): 12 b
Interface: SPI
Voltage Reference: External, Internal
Voltage - Supply: 2.2V ~ 5.25V
Current - Supply: 500 µA
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Operational within industrial temperature range for reliable performance in diverse environments
Surface mount device adhering to industry quality standards
Compatibility
Supports 4 Wire Resistive touch screens
SPI interface compatible with most microcontrollers
Application Areas
Mobile devices
Point-of-sale terminals
Industrial controls
Personal digital assistants
Product Lifecycle
Currently active
No indication of nearing discontinuation
Confirm with manufacturer for long-term availability
Several Key Reasons to Choose This Product
High precision touch screen control for sensitive applications
Low power consumption extends battery life in portable devices
Wide operating temperature range allows for deployment in extreme conditions
Texas Instruments' reputation for quality and reliability in data acquisition technology
Flexible for use in multiple touch screen applications with diverse voltage requirements
Easy integration with existing digital systems due to SPI compatibility