The ADR440BRZ is a high-precision, low-noise, ultra-stable voltage reference component manufactured by Analog Devices Inc. This device is part of a family of XFET® voltage references that offer a significant reduction in output noise, which is often a critical parameter in high-end signal processing systems, precision data acquisition systems, and industrial instrumentation.

Key Features

• Output Voltage: The ADR440BRZ provides a precise 4.096 V output, which is ideal for applications requiring a standardized reference voltage.
• Low Noise: With a low 1/f noise of 7 nV/√Hz (at 10 Hz) and wideband noise as low as 0.6 µVp-p (0.1 Hz to 10 Hz), this device is perfect for sensitive electronics where noise can be detrimental to performance.
• High Accuracy: The initial output accuracy is ±0.1%, ensuring reliable and consistent performance.
• Temperature Coefficient: It has an excellent temperature coefficient, typically 3 ppm/°C, which ensures stable output across a wide temperature range.
• Long-Term Stability: The ADR440BRZ exhibits superior long-term stability of 50 ppm maximum over 1,000 hours, providing confidence in sustained operation over time.
• Supply Range: This device operates with a supply range from 4.1 V to 18 V, offering flexibility in various power supply designs.
• Load Regulation: It features a low load regulation specification, making it less sensitive to load changes.

Applications

The ADR440BRZ is suitable for a broad array of applications, including:

• Precision data acquisition systems
• High-resolution converters
• Battery-powered instrumentation
• Industrial and process control systems
• Automotive battery monitoring

Package and Quality

The ADR440BRZ is available in an 8-lead SOIC package, which is RoHS compliant and compatible with standard surface-mount assembly processes. Analog Devices Inc. is known for its commitment to high-quality standards, and this voltage reference is no exception, providing reliable performance for critical applications.