The REF3120AIDBZRG4 is a high-precision, low-power, low-dropout voltage reference from Texas Instruments. This component is designed to be a reliable and stable reference voltage source for various applications, including precision data converters, portable instrumentation, and industrial measurement systems. The device features a small size and low power consumption, making it suitable for battery-powered and space-constrained applications.

Key Features

• Output Voltage: The REF3120AIDBZRG4 provides a fixed 2.048V output, which is commonly used as a reference for 12-bit ADCs and DACs, ensuring high-resolution data conversion.
• High Accuracy: With an initial accuracy of 0.1% and a temperature coefficient of 50 ppm/°C (max), this voltage reference maintains precise output over a wide temperature range, making it ideal for applications requiring consistent performance.
• Low Dropout Voltage: The device operates with a very low dropout voltage, typically 95 mV at 100 µA load, which allows it to function effectively even when the supply voltage is nearly equal to the output voltage.
• Low Power Consumption: It features a low quiescent current of 100 µA (max), which is beneficial for extending battery life in portable devices.
• Package: The REF3120AIDBZRG4 is offered in a small SOT-23 package, making it easy to integrate into space-constrained designs.
• Temperature Range: The device is specified for the extended industrial temperature range of -40°C to +125°C, ensuring reliable operation under varying environmental conditions.

Applications

• Data Acquisition Systems
• Portable Instrumentation
• Medical Equipment
• Industrial Process Control
• Battery-Powered Devices

The REF3120AIDBZRG4 voltage reference from Texas Instruments represents a blend of performance, power efficiency, and versatility, making it an excellent choice for designers who need a stable voltage reference in their electronic systems.