The ADR434BRZ is a high-precision voltage reference component manufactured by Analog Devices Inc., a leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits. This device is part of the ADR43x series, which is renowned for its excellent stability and low noise performance. It is designed to maintain a precise voltage reference over a wide range of environmental conditions, making it an ideal choice for precision data conversion systems in industrial and medical applications.

Key Features

• Output Voltage: The ADR434BRZ provides a stable 4.096 V output, which is a common reference voltage for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
• Temperature Coefficient: This device boasts an impressive low temperature coefficient of 3 ppm/°C (max), ensuring minimal output variation over temperature changes.
• Low Noise: With a low 1/f noise of 0.7 μVp-p (0.1 Hz to 10 Hz) and wideband noise of only 2.2 μV rms (10 Hz to 10 kHz), the ADR434BRZ ensures a clean and stable reference signal.
• High Accuracy: The initial accuracy of the ADR434BRZ is ±0.1% (max), which allows for precise and reliable performance in critical applications.
• Long-Term Stability: Demonstrating excellent long-term stability, this voltage reference has a typical drift of only 50 ppm/√kHr, which is critical for maintaining accuracy over time.
• Wide Supply Range: The ADR434BRZ operates from a wide supply range of 5 V to 18 V, providing flexibility in various system designs.
• Package: The device comes in an 8-lead SOIC package, which is suitable for surface mount technology and is commonly used in electronic circuits.

Applications

The ADR434BRZ is ideal for high-precision applications where a stable voltage reference is crucial. It is commonly used in:

• Precision data acquisition systems
• High-resolution ADCs and DACs
• Industrial instrumentation
• Medical equipment
• Automotive battery monitoring
• Portable and battery-powered equipment

With its combination of features, the ADR434BRZ from Analog Devices Inc. represents a reliable solution for designers seeking a high-accuracy, low-noise voltage reference for their electronic systems.