Texas Instruments

REF3112AIDBZRG4

REF3112AIDBZRG4 Description

The REF3112AIDBZRG4 is a precision voltage reference IC designed by Texas Instruments, featuring a fixed output voltage of 1.25V with a tight tolerance of ±0.2%. This device is ideal for applications requiring high accuracy and stability. It operates within an input voltage range of 1.8V to 5.5V and can deliver an output current of up to 10 mA. The REF3112AIDBZRG4 is housed in a compact SOT23-3 package, making it suitable for space-constrained designs. It also boasts a low supply current of 135µA, which is beneficial for low-power applications. The device is RoHS3 compliant and REACH unaffected, ensuring environmental sustainability. Despite being marked as obsolete, the REF3112AIDBZRG4 remains a reliable choice for many applications due to its robust performance and established track record.

REF3121AIDBZRG4 Features

• Fixed Output Voltage: The REF3112AIDBZRG4 provides a stable 1.25V output voltage, ensuring consistent performance in precision analog applications.
• High Accuracy: With a tolerance of ±0.2%, this voltage reference offers high accuracy, making it suitable for demanding applications where precision is critical.
• Low Noise: The device exhibits low noise levels, specifically 24µVrms from 10Hz to 10kHz, which minimizes signal interference and enhances overall system performance.
• Low Temperature Coefficient: The temperature coefficient of 20ppm/°C ensures minimal drift over temperature variations, maintaining accuracy across a wide operating range.
• Low Supply Current: Consuming only 135µA of supply current, the REF3112AIDBZRG4 is highly efficient and suitable for battery-powered and low-power applications.
• Surface Mount Packaging: The SOT23-3 package is compact and suitable for surface mount technology, facilitating easy integration into modern PCB designs.
• Wide Input Voltage Range: The device operates within an input voltage range of 1.8V to 5.5V, providing flexibility in power supply options.
• Compliance and Sustainability: The REF3112AIDBZRG4 is RoHS3 compliant and REACH unaffected, ensuring it meets environmental regulations and sustainability standards.

REF3112AIDBZRG4 Applications

The REF3112AIDBZRG4 is well-suited for a variety of applications that demand high precision and stability. Key applications include:

• Data Acquisition Systems: Provides a stable reference voltage for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), ensuring accurate signal conversion.
• Precision Measurement Equipment: Used in instruments requiring high accuracy and low noise, such as voltmeters and calibrators.
• Power Management: Serves as a reference in power supply circuits, ensuring stable output voltage and improving overall system reliability.
• Battery Management Systems: Ideal for applications where low power consumption and high accuracy are essential, such as in battery monitoring and protection circuits.
• Medical Devices: Suitable for medical equipment that requires precise voltage references for accurate measurements and diagnostics.

Conclusion of REF3112AIDBZRG4

The REF3112AIDBZRG4 from Texas Instruments is a high-performance voltage reference IC that offers a combination of precision, low noise, and low power consumption. Its fixed 1.25V output voltage with a tight tolerance of ±0.2% ensures high accuracy, making it ideal for precision analog applications. The device's low temperature coefficient and low supply current further enhance its stability and efficiency. Despite being marked as obsolete, the REF3112AIDBZRG4 remains a reliable choice for applications requiring a compact, high-precision voltage reference. Its RoHS3 compliance and REACH unaffected status also make it a sustainable option for modern electronic designs.