Texas Instruments

TLV1549IDR  

Analog to Digital Converters

TLV1549IDR Description

The TLV1549IDR is a high-performance, 10-bit successive approximation register (SAR) analog-to-digital converter (ADC) designed by Texas Instruments. This IC is part of the Data Acquisition ICs category and is housed in an 8-pin SOIC package, making it suitable for surface mount applications. The TLV1549IDR operates within a supply voltage range of 3V to 3.6V for both analog and digital supplies, ensuring compatibility with a wide range of power sources. It features a single-ended input type and supports a sampling rate of up to 38,000 samples per second (38k SPS), providing rapid data acquisition capabilities. The device communicates via the SPI interface, facilitating easy integration with microcontrollers and other digital systems.

TLV1549IDR Features

• High Resolution: The 10-bit resolution ensures precise conversion of analog signals to digital data, making it ideal for applications requiring high accuracy.
• Fast Sampling Rate: With a sampling rate of 38k SPS, the TLV1549IDR can quickly capture transient signals and dynamic changes in analog inputs.
• Single-Ended Input: The single-ended input type simplifies circuit design and reduces complexity, making it easier to interface with various analog sensors.
• SPI Interface: The SPI data interface allows for straightforward communication with digital systems, ensuring seamless integration into existing setups.
• Wide Supply Voltage Range: Operating within a 3V to 3.6V supply voltage range for both analog and digital supplies, the TLV1549IDR offers flexibility in power source selection.
• External Reference: The use of an external reference voltage allows for greater precision and customization of the ADC's performance.
• Surface Mount Packaging: The 8-pin SOIC package is suitable for surface mount technology, enabling compact and reliable PCB designs.
• Compliance and Status: The TLV1549IDR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. However, it is important to note that the product is now obsolete, and alternatives should be considered for new designs.

TLV1549IDR Applications

The TLV1549IDR is well-suited for a variety of applications where high-speed, high-resolution analog-to-digital conversion is required. Some specific use cases include:

• Data Acquisition Systems: Ideal for capturing and processing analog signals in real-time, such as in industrial automation and monitoring systems.
• Medical Equipment: Suitable for medical devices that require precise measurement and conversion of analog signals, such as electrocardiograms (ECGs) and blood pressure monitors.
• Consumer Electronics: Can be used in consumer devices that need to process analog inputs, such as audio equipment and smart sensors.
• Automotive Systems: Useful in automotive applications for monitoring and controlling various analog signals, such as engine performance and environmental sensors.

Conclusion of TLV1549IDR

The TLV1549IDR from Texas Instruments is a robust and versatile 10-bit SAR ADC that offers high resolution, fast sampling rates, and ease of integration through its SPI interface. Its single-ended input and wide supply voltage range make it suitable for a variety of applications, from industrial to medical and consumer electronics. While the product is now obsolete, its technical specifications and performance benefits make it a reliable choice for existing systems. For new designs, it is recommended to explore alternative models that may offer enhanced features and longer-term availability.

TLV1549IDR Documents

Download datasheets and manufacturer documentation for TLV1549IDR