Product Overview: ADR431ARZ Voltage Reference from Analog Devices Inc.

The ADR431ARZ is a high-performance, precision 2.5V voltage reference from Analog Devices Inc., known for its stability and accuracy in critical applications. This component is part of the ADR43x series, which are XFET® voltage references that use patented temperature drift curvature correction and noise-reduction technologies to offer the performance of traditional floating junction references without their inherent limitations.

Key Features

• Precision Voltage: The ADR431ARZ provides a 2.5V output with an initial accuracy of ±0.1% and a low temperature coefficient (tempco) of 3 ppm/°C (typical), ensuring reliable performance over a wide temperature range.
• Low Noise: With a low noise performance of 7 µV p-p (0.1 Hz to 10 Hz), this voltage reference is ideal for high-resolution data converters and precision applications where noise can significantly impact system performance.
• High Output Current: The device can source up to 30 mA and sink up to 5 mA, making it versatile for a variety of loads and circuit configurations.
• Wide Supply Voltage Range: The ADR431ARZ operates with a supply voltage range from 5 V to 18 V, providing flexibility in system design and compatibility with various power supplies.
• Stable with Capacitive Loads: The output is capable of driving capacitive loads up to 10 µF, which is beneficial for applications requiring stable voltage references despite load variations.

Applications

The ADR431ARZ is suitable for high-performance applications that require precision and stability, such as:

• High-resolution analog-to-digital converters (ADCs)
• Digital-to-analog converters (DACs)
• Portable instrumentation
• Data acquisition systems
• Industrial control systems
• Optical networks

Package and Quality

The ADR431ARZ is available in an 8-lead SOIC package, which is both compact and easy to integrate into various circuit layouts. With its robust design, it ensures long-term reliability and performance. Analog Devices Inc. is committed to high-quality standards, and this product is no exception, meeting stringent quality control measures and industry requirements.

For designers and engineers looking for a dependable and precise voltage reference, the ADR431ARZ from Analog Devices Inc. is an excellent choice that combines performance, versatility, and reliability.