Texas Instruments

DAC121C081CISDX  

Digital to Analog Converters

DAC121C081CISDX Description

The DAC121C081CISDX is a 12-bit digital-to-analog converter (DAC) from Texas Instruments, designed for applications requiring high precision and low power consumption. This device features a single DAC with a string architecture, providing a voltage output that can be precisely controlled through an I2C data interface. The DAC121C081CISDX operates within a wide supply voltage range of 2.7V to 5.5V for both analog and digital supplies, ensuring compatibility with a variety of power sources. The device is housed in a 6-lead WSON package, which is suitable for surface-mount applications and offers a compact footprint ideal for space-constrained designs.

DAC121C081CISDX Features

• High Precision: With 12-bit resolution, the DAC121C081CISDX offers high precision in converting digital signals to analog voltages, making it suitable for applications requiring accurate control.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 2.7V to 5.5V for both analog and digital supplies, providing flexibility in power source selection.
• Fast Settling Time: The DAC121C081CISDX features a fast settling time of 8.5µs, ensuring quick response times and efficient operation in dynamic applications.
• I2C Interface: The device utilizes an I2C data interface for communication, simplifying integration into systems with existing I2C infrastructure.
• String DAC Architecture: The string DAC architecture provides a linear output voltage range, ensuring consistent performance across the entire output range.
• Supply Referenced: The DAC121C081CISDX uses a supply-referenced architecture, eliminating the need for an external reference voltage and simplifying design.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. Additionally, it has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

DAC121C081CISDX Applications

The DAC121C081CISDX is well-suited for a variety of applications where precise control of analog signals is required. Some specific use cases include:

• Industrial Control Systems: The high precision and fast settling time make it ideal for controlling actuators, motors, and other industrial equipment where accurate and responsive control is essential.
• Medical Equipment: The device can be used in medical devices for precise control of parameters such as temperature, pressure, and flow rates, ensuring reliable and accurate operation.
• Automotive Applications: The DAC121C081CISDX can be used in automotive systems for controlling various sensors and actuators, providing precise control and ensuring safety and reliability.
• Consumer Electronics: The compact size and low power consumption make it suitable for consumer electronics where space and power efficiency are critical.

Conclusion of DAC121C081CISDX

The DAC121C081CISDX from Texas Instruments is a versatile and high-performance DAC that offers a combination of precision, flexibility, and reliability. Its 12-bit resolution, wide supply voltage range, and fast settling time make it suitable for a wide range of applications, from industrial control systems to consumer electronics. The device's I2C interface and string DAC architecture simplify integration and ensure consistent performance. While the product is marked as obsolete, its features and performance benefits continue to make it a valuable component for engineers and designers seeking precise and efficient digital-to-analog conversion.

DAC121C081CISDX Documents

Download datasheets and manufacturer documentation for DAC121C081CISDX

Datasheets :

DAC121C081/85      

HTML Datasheet :

DAC121C081/85