Texas Instruments

ADS1286U/2K5G4  

Analog to Digital Converters

ADS1286U/2K5G4 Description

The ADS1286U/2K5G4 is a high-performance, 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments. This obsolete device is designed for precision data acquisition applications, offering a sampling rate of 20,000 samples per second (20k SPS). It features a single differential input and operates within a temperature range of 0°C to 70°C. The ADC is powered by a 5V analog supply and a 5V digital supply, ensuring stable performance across a wide range of operating conditions. The device is packaged in a surface-mount 8SOIC format, making it suitable for compact and high-density designs. The ADS1286U/2K5G4 communicates via the SPI interface, facilitating easy integration into various systems.

ADS1286U/2K5G4 Features

• High Precision: The 12-bit resolution ensures accurate conversion of analog signals to digital data, making it ideal for applications requiring high precision.
• Fast Sampling Rate: With a sampling rate of 20k SPS, the ADS1286U/2K5G4 can capture rapid changes in analog signals, suitable for dynamic and real-time data acquisition.
• Differential Input: The differential input type enhances signal integrity by reducing noise and common-mode interference, improving overall system performance.
• SPI Interface: The SPI data interface provides a straightforward and efficient means of communication with microcontrollers and other digital systems.
• Single Supply Operation: The device operates on a single 5V supply for both analog and digital sections, simplifying power management and reducing system complexity.
• External Reference: The use of an external reference allows for greater flexibility in setting the reference voltage, which can be optimized for specific application requirements.
• Surface Mount Packaging: The 8SOIC package is ideal for surface-mount technology (SMT) applications, enabling compact and reliable designs.
• Compliance: The ADS1286U/2K5G4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

ADS1286U/2K5G4 Applications

The ADS1286U/2K5G4 is well-suited for a variety of applications where precision and high-speed data acquisition are critical. Some specific use cases include:

• Industrial Automation: For monitoring and controlling industrial processes, the ADC can capture sensor data with high precision and speed, enabling real-time feedback and control.
• Medical Equipment: In medical devices, the high precision and fast sampling rate are essential for accurate and reliable data acquisition, such as in electrocardiograms (ECGs) and other diagnostic equipment.
• Scientific Instruments: The device is ideal for laboratory instruments that require precise measurement and rapid data acquisition, such as oscilloscopes and data loggers.
• Automotive Systems: For automotive applications, the ADC can be used in engine control units (ECUs) and other systems where high-speed and accurate data acquisition are necessary.

Conclusion of ADS1286U/2K5G4

The ADS1286U/2K5G4 from Texas Instruments is a robust and high-performance ADC designed for precision data acquisition in various applications. Its 12-bit resolution, fast sampling rate, and differential input type make it an excellent choice for applications requiring high precision and rapid data capture. The device's SPI interface and single supply operation simplify integration into existing systems, while its surface-mount packaging ensures compatibility with modern manufacturing processes. Although now obsolete, the ADS1286U/2K5G4 remains a reliable option for legacy systems and applications where its unique features and performance benefits are still relevant.

ADS1286U/2K5G4 Documents

Download datasheets and manufacturer documentation for ADS1286U/2K5G4

Datasheets :

ADS1286      

PCN Obsolescence/ EOL :

ADS and DAC devices 15/Feb/2019      

HTML Datasheet :

ADS1286