The REF3112AIDBZTG4 is a high-precision, low-power, low-dropout voltage reference from Texas Instruments. This device is part of a family of small, surface-mount, bandgap voltage references that provide a fixed voltage output from an input voltage supply that varies over time. With a typical dropout voltage of just 5mV at 50µA load, the REF3112AIDBZTG4 is an ideal choice for battery-powered and portable applications where power efficiency is critical.

Key Features

• Output Voltage: The REF3112AIDBZTG4 provides a stable 1.25V output voltage, making it suitable for various analog and digital applications that require a precise reference voltage.
• High Accuracy: This voltage reference offers an impressive initial accuracy of 0.2% (max) and 50ppm/°C (max) temperature drift, ensuring reliable performance over a wide temperature range.
• Low Power Consumption: It operates with a quiescent current of 50µA (typ), which minimizes power consumption and extends battery life in portable devices.
• Small Package: The device comes in a small SOT-23 package, which is ideal for space-constrained applications.
• Wide Operating Temperature Range: The REF3112AIDBZTG4 is specified for operation from -40°C to 125°C, accommodating a broad range of environmental conditions.
• Stability: It can be used with capacitive loads up to 10µF without oscillation, offering design flexibility and ease of use.

Applications

The REF3112AIDBZTG4 is versatile and can be used in various applications, including:

• Data acquisition systems
• Portable and battery-powered equipment
• Medical instruments
• Industrial control systems
• Precision instrumentation
• Analog-to-digital converters (ADCs)
• Digital-to-analog converters (DACs)

Conclusion

The REF3112AIDBZTG4 from Texas Instruments is a robust, high-performance voltage reference that offers designers a reliable and efficient solution for maintaining a stable voltage in a wide array of electronic systems. Its combination of accuracy, low power consumption, and small form factor makes it an excellent choice for both advanced and traditional applications.