**ADR130BUJZ-R2: A 0V Ultra-Low-Noise, High-Precision Voltage Reference**

In the realm of precision electronics, the stability and accuracy of a voltage reference are paramount. The **ADR130BUJZ-R2** from Analog Devices stands out as a critical component, delivering exceptional performance for applications demanding high precision and minimal noise. This article explores the key features, technological advancements, and practical applications of this advanced voltage reference IC.

At its core, the ADR130BUJZ-R2 is a **0V-based, ultra-low-noise bandgap voltage reference**. It provides a fixed **1.300V output voltage** with an initial accuracy of up to ±0.08%, ensuring reliable performance right from the start. Unlike some references that require external trimming, this device maintains its precision over time and across varying operating conditions, thanks to its excellent long-term stability and low temperature drift of **5.5 ppm/°C (max)**.

One of the most distinguishing features of the ADR130BUJZ-RZ is its **ultra-low noise performance**. With a noise spectral density of just **0.25 µV√Hz (typical) at 10 Hz**, it significantly minimizes errors in sensitive measurement systems. This makes it particularly suitable for high-resolution data converters, precision analog-to-digital converters (ADCs), and digital-to-analog converters (DACs), where even minor noise can degrade system accuracy.

The device operates from a wide supply voltage range of 3.5V to 18V, while consuming a modest quiescent current of 500 µA. Its ability to source and sink up to 10 mA of output current adds to its versatility, allowing it to drive multiple loads without external buffering. Furthermore, the ADR130BUJZ-R2 exhibits excellent line and load regulation, ensuring a stable output despite fluctuations in the input voltage or output current.

Housed in a space-saving **SOT-23-3 package**, this voltage reference is designed for compact and densely populated PCB layouts. Its robust performance across an industrial temperature range (-40°C to +125°C) makes it ideal for a broad spectrum of applications, including:

* Precision instrumentation and data acquisition systems

* Medical imaging and diagnostic equipment

* Automotive sensor systems and battery management

* Industrial process controls and test & measurement equipment

* High-resolution seismic and scientific instrumentation

**ICGOODFIND**: The ADR130BUJZ-R2 establishes itself as a superior solution for designers seeking a blend of high accuracy, ultra-low noise, and robust performance in a miniature package. Its **0V-based architecture** and exceptional stability make it a cornerstone for any system where precision is non-negotiable.

**Keywords**: Ultra-Low-Noise, High-Precision, Voltage Reference, Bandgap, Stability