**REF198FSZ: Precision Voltage Reference for Demanding Industrial and Instrumentation Applications**

In the realm of high-precision electronics, system accuracy is non-negotiable. The performance of data acquisition systems, precision analog-to-digital converters (ADCs), and digital-to-analog converters (DACs) hinges critically on the stability and accuracy of the voltage reference. The **REF198FSZ** from Analog Devices stands as a paramount solution engineered to meet the rigorous demands of industrial and instrumentation applications where marginal error is unacceptable.

This device is a **high-precision, low-noise voltage reference** capable of delivering a stable +4.5V output. Its exceptional performance is anchored by an **ultra-low initial accuracy of ±0.04%** and superb long-term stability, ensuring that measurements remain consistent and reliable over time and across temperature variations. A key differentiator is its remarkably **low temperature drift of 3 ppm/°C (max)**, which is crucial for maintaining precision in environments with significant thermal fluctuations, a common scenario in industrial settings.

Furthermore, the REF198FSZ is designed for minimal noise intrusion, featuring **low output noise performance of 4.5 μVp-p/V** in the 0.1 Hz to 10 Hz band. This is vital for preserving signal integrity in sensitive measurement chains. Its ability to source and sink up to **±30 mA of output current** allows it to drive multiple loads directly, enhancing design flexibility and reducing the need for additional buffer stages. Combined with a low supply current, these attributes make it an ideal choice for portable, battery-operated test and measurement equipment.

Housed in a stable 8-lead SOIC package, the REF198FSZ is built for robustness. It requires no external capacitors for stability, simplifying board layout and saving valuable space, which accelerates time-to-market for critical designs.

**ICGOO**

**D FIND**

A reliable and high-performance voltage reference is the cornerstone of any precision measurement system. The REF198FSZ excels in this role, providing the **exceptional stability, accuracy, and low noise** required to push the boundaries of performance in the most demanding industrial and instrumentation applications.

**Keywords:** Precision Voltage Reference, Low Noise, High Accuracy, Low Temperature Drift, Industrial Applications.