Product Overview: ADR391ART-REEL7 by Analog Devices Inc.

The ADR391ART-REEL7 is a precision 2.048V voltage reference from Analog Devices Inc., renowned for its high accuracy and stability across a wide range of operating conditions. This product is part of the ADR39x series, which are low-power, low-noise voltage references in tiny footprints, making them ideal for precision data conversion applications in space-constrained environments.

Key Features:

• Precision Voltage: The ADR391ART-REEL7 provides a precise 2.048V output, which is commonly used as a reference for 12-bit or 14-bit analog-to-digital converters (ADCs), ensuring high accuracy in digital representation of analog signals.
• High Accuracy: With an initial accuracy of ±0.1%, this voltage reference ensures reliable performance for precision applications.
• Low Temperature Coefficient: It features a low temperature coefficient of 8 ppm/°C (max), which guarantees stable output across a wide temperature range, minimizing errors due to thermal variations.
• Low Noise: The ADR391ART-REEL7 offers a low noise performance of 17 µV p-p (0.1 Hz to 10 Hz), making it suitable for sensitive applications where noise can be a critical factor.
• Long-Term Stability: It exhibits excellent long-term stability, thus ensuring consistent performance over the lifetime of the device.
• Low Dropout Voltage: The device operates with a low dropout voltage, making it compatible with a variety of supply voltages and enhancing its flexibility in system design.
• Supply Range: The ADR391ART-REEL7 is designed to operate from a supply range of 3.3V to 5.0V, accommodating common system power rails.

Applications:

The ADR391ART-REEL7 is suited for a multitude of applications, including:

• Precision data acquisition systems
• Battery-powered instruments
• Industrial control systems
• Medical and healthcare equipment
• Automotive electronics

Its small size, provided in a SOT-23 package, and the fact that it is offered on a 7-inch reel (REEL7) format, makes it convenient for automated manufacturing processes, ensuring consistent and reliable integration into various electronic systems.

With its combination of high precision, low power consumption, and small footprint, the ADR391ART-REEL7 from Analog Devices Inc. is an excellent choice for designers looking to enhance the accuracy and stability of their systems without compromising on space or power efficiency.