LTC1449CS-5 Dual 12-Bit Rail-to-Rail Micropower DAC

The LTC1449CS-5 from Linear Technology is a high-performance, dual 12-bit digital-to-analog converter (DAC) designed to deliver precision and power efficiency in a compact package. This device is specifically engineered to meet the demanding requirements of battery-powered and portable applications where space and power consumption are critical considerations.

Key Features:

• Resolution: The LTC1449CS-5 boasts a 12-bit resolution, ensuring fine granularity and precise control over the analog output signal. This makes it an ideal choice for applications that require accurate signal generation or modulation.
• Rail-to-Rail Output: It features a rail-to-rail output stage, which allows the output to swing from the ground to the supply voltage, maximizing the dynamic range and making it suitable for single supply operations.
• Low Power Consumption: With a typical supply current of just 250µA, the LTC1449CS-5 is optimized for low power consumption, preserving battery life in portable devices.
• Reference Input: The device includes a reference input for each DAC, providing flexibility in setting the full-scale output voltage and allowing for easy interfacing with various sensors and control systems.
• Software-Selectable Power-Down: An integral feature of the LTC1449CS-5 is its software-selectable power-down function, which reduces the supply current to 4µA, further conserving power when the DAC is not in active use.
• Simple Interface: The DAC operates with a simple three-wire serial interface that is SPI and MICROWIRE compatible, facilitating easy integration into a variety of microcontroller-based systems.
• Compact Package: Housed in a narrow 16-pin SO package, the LTC1449CS-5 is designed for space-constrained applications, maintaining a small footprint on the PCB.

Applications:

The LTC1449CS-5 is versatile and can be employed in numerous applications, including but not limited to:

• Portable Instrumentation
• Battery-Powered Equipment
• Digital Gain and Offset Adjustment
• Process Control and Automation
• Data Acquisition Systems

In summary, the LTC1449CS-5 from Linear Technology is a dual 12-bit DAC that offers excellent performance in terms of precision and power efficiency. Its compact size, low power requirements, and comprehensive feature set make it an excellent choice for designers looking to enhance their systems with a reliable and versatile analog output solution.