Texas Instruments

REF3225AIDBVT

REF3225AIDBVT Description

The REF3225AIDBVT from Texas Instruments is a high-precision, low-power 2.5V series voltage reference designed for applications requiring stable and accurate voltage regulation. With a ±0.2% initial accuracy and a low 20ppm/°C temperature coefficient, this IC ensures minimal output drift over temperature variations. Operating from a 2.55V to 5.5V input range, it delivers a fixed 2.5V output with a low 135µA supply current, making it ideal for battery-powered and energy-sensitive systems. The device features 48µVrms noise performance (10Hz to 10kHz) and a 10mA output current capability, ensuring reliable performance in noise-critical applications. Packaged in a SOT23-6 form factor, it is optimized for surface-mount designs where space is constrained.

REF3225AIDBVT Features

• High Precision: ±0.2% initial tolerance ensures accurate voltage regulation.
• Low Drift: 20ppm/°C temperature coefficient for stable performance across operating conditions.
• Low Power: 135µA supply current extends battery life in portable applications.
• Low Noise: 48µVrms noise over 10Hz to 10kHz bandwidth for clean output.
• Wide Input Range: Operates from 2.55V to 5.5V, compatible with various power supplies.
• Robust Packaging: SOT23-6 tape-and-reel packaging for automated assembly.
• Compliance: ROHS3 and REACH compliant, meeting environmental standards.

REF3225AIDBVT Applications

• Precision Data Acquisition Systems: Ensures stable reference voltages for ADCs/DACs.
• Portable Medical Devices: Low power and high accuracy suit wearable health monitors.
• Industrial Sensors: Reliable performance in harsh environments with temperature fluctuations.
• Battery-Powered Equipment: Energy-efficient operation extends runtime in IoT devices.
• Automotive Electronics: Stable voltage reference for infotainment and control systems.

Conclusion of REF3225AIDBVT

The REF3225AIDBVT is a high-performance voltage reference offering exceptional accuracy, low power consumption, and compact packaging, making it a preferred choice for precision analog designs. While marked as "Not For New Designs", its proven reliability in medical, industrial, and portable applications ensures continued relevance in legacy systems. Engineers seeking a low-noise, low-drift reference with a small footprint will find this IC well-suited for demanding voltage regulation tasks.