Texas Instruments

REF1925AIDDCT

REF1925AIDDCT Description

The REF1925AIDDCT from Texas Instruments is a high-precision, low-power, 2.5V fixed-output series voltage reference designed for applications demanding exceptional accuracy and stability. Housed in a compact SOT23-5 package, this IC delivers a ±0.1% initial tolerance and a low 25ppm/°C temperature coefficient, ensuring reliable performance across industrial temperature ranges. With an ultra-low 460µA supply current and a wide 2.52V to 5.5V input voltage range, it is optimized for battery-powered and portable devices. The device is RoHS3 compliant, REACH unaffected, and rated for MSL 2 (1 Year), making it suitable for environmentally conscious and long-lifecycle designs.

REF1925AIDDCT Features

• Precision Output: Fixed 2.5V with ±0.1% tolerance for high-accuracy applications.
• Low Power Consumption: 460µA typical supply current extends battery life in portable systems.
• Excellent Stability: 25ppm/°C temperature coefficient ensures minimal drift over temperature variations.
• Wide Input Range: Operates from 2.52V to 5.5V, accommodating various supply rails.
• Compact & Robust: SOT23-5 surface-mount package saves board space and suits automated assembly.
• Compliance & Reliability: ROHS3, REACH, and EAR99 certified, with MSL 2 moisture sensitivity.

REF1925AIDDCT Applications

The REF1925AIDDCT is ideal for precision analog and mixed-signal systems requiring stable voltage references, such as:

• Data Acquisition Systems (DAQ): Ensures ADC/DAC accuracy in measurement equipment.
• Portable Medical Devices: Low power and high stability suit glucose meters and wearable monitors.
• Industrial Sensors: Provides reliable biasing for strain gauges, RTDs, and pressure sensors.
• Battery-Powered IoT Nodes: Minimizes energy consumption while maintaining voltage integrity.
• Automotive Electronics: Stable references for infotainment and control modules within the operating voltage range.

Conclusion of REF1925AIDDCT

The REF1925AIDDCT stands out as a high-performance voltage reference, combining precision, low power, and compact packaging. Its 0.1% tolerance, low drift, and wide input range make it superior to many competitors in cost-sensitive yet accuracy-critical applications. Whether in industrial, medical, or portable electronics, this IC ensures consistent performance, making it a preferred choice for engineers prioritizing reliability and efficiency.