Semtech

SX8674ICSTRT

SX8674ICSTRT Description

The SX8674ICSTRT is a highly integrated Data Acquisition IC designed by Semtech Corporation, specifically tailored for touch screen control applications. This 12-bit resolution IC is optimized for use with 4 or 5 wire resistive touch screens, providing precise and reliable touch detection. The SX8674ICSTRT operates within a supply voltage range of 2.3V to 3.6V and consumes a minimal supply current of 120 µA, making it an energy-efficient solution for portable and battery-powered devices.

The SX8674ICSTRT is housed in a 19-WLCSP package and is available in a Tape & Reel (TR) format, facilitating easy surface mount assembly. It features an internal voltage reference, ensuring stable and accurate performance across varying operating conditions. The IC supports both I2C and Serial interfaces, offering flexibility in system integration and communication protocols.

SX8674ICSTRT Features

• Touchscreen Compatibility: Supports 4 or 5 wire resistive touch screens, providing versatile touch detection capabilities.
• Resolution: Offers a high resolution of 12 bits, ensuring precise touch coordinate detection.
• Low Power Consumption: Operates with a supply current of only 120 µA, making it suitable for low-power applications.
• Wide Voltage Range: Functions within a supply voltage range of 2.3V to 3.6V, providing compatibility with various power sources.
• Internal Voltage Reference: Ensures stable and accurate performance without the need for external components.
• Communication Interfaces: Supports both I2C and Serial interfaces, offering flexibility in system design.
• Surface Mount Packaging: Available in a 19-WLCSP package, suitable for compact and high-density PCB designs.
• RoHS Compliance: Meets RoHS standards, ensuring environmental compliance and suitability for a wide range of applications.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high reliability and suitability for various manufacturing environments.

SX8674ICSTRT Applications

The SX8674ICSTRT is ideal for applications requiring precise touch screen control in portable and battery-powered devices. Its low power consumption and wide voltage range make it suitable for:

• Portable Electronic Devices: Tablets, e-readers, and other handheld devices where energy efficiency and compact design are crucial.
• Industrial Control Panels: Touch screen interfaces for industrial equipment, where reliability and precision are paramount.
• Medical Equipment: Touch screen interfaces for medical devices, ensuring accurate and responsive user interaction.
• Automotive Infotainment Systems: Touch screen controls in vehicles, where durability and low power consumption are essential.

Conclusion of SX8674ICSTRT

The SX8674ICSTRT is a robust and versatile Data Acquisition IC designed for touch screen control applications. Its high resolution, low power consumption, and wide voltage range make it an ideal choice for a variety of applications, particularly in portable and battery-powered devices. The inclusion of both I2C and Serial interfaces, along with an internal voltage reference, provides flexibility and reliability in system integration. Despite being marked as obsolete, the SX8674ICSTRT remains a valuable component for legacy systems and applications where its unique features and performance benefits are still highly relevant.