Product Overview: ADR431BR from Analog Devices Inc.

The ADR431BR is a high-performance, precision voltage reference from Analog Devices Inc., renowned for its stability and accuracy in critical applications. This component is part of a family of XFET® voltage references that feature low noise, high accuracy, and low temperature drift, making it an ideal choice for high-end instrumentation, data acquisition systems, and precision industrial equipment.

The ADR431BR offers a stable and precise 2.5V output voltage with an initial accuracy of ±0.1%. Its patented temperature drift curvature correction minimizes the variations over the wide industrial temperature range of -40°C to +125°C. The low noise specification of only 3 μV p-p (0.1 Hz to 10 Hz) ensures a clean and stable reference signal, which is crucial for high-resolution analog-to-digital conversions and sensitive applications.

This voltage reference also boasts excellent load regulation characteristics, responding to changes in load current with minimal deviation in output voltage. This feature, combined with a low dropout voltage of 500 mV (maximum), means that the ADR431BR can maintain a stable output even with variations in supply voltage, ensuring reliable performance in a variety of power conditions.

In terms of power efficiency, the ADR431BR has a low quiescent current of 750 μA (maximum), which contributes to energy savings in battery-powered devices. The component is available in a compact SOIC-8 package, making it easy to integrate into space-constrained designs while providing excellent thermal performance.

The ADR431BR is also designed with safety in mind, featuring a wide operating range of 4.5 V to 18 V, which provides designers with flexibility in various applications. For added convenience, the device is fully specified for operation over the entire temperature range, and it is also available in several grades to meet different accuracy and performance requirements.

Overall, the ADR431BR from Analog Devices Inc. represents a reliable and precise voltage reference solution that engineers can trust for their most demanding applications.