Manufactured by Analog Devices Inc., the AD628ARM is a high common-mode voltage, differential amplifier designed to accurately amplify small differential voltages in the presence of large common-mode signals. This precision amplifier is an ideal choice for applications where the monitoring of small signals in a high-voltage environment is necessary, such as in industrial, medical, and automotive systems.

Key Features

• Wide Common-Mode Range: Capable of operating with common-mode voltages up to ±120V, the AD628ARM provides excellent performance in systems with high common-mode voltages.
• High Gain Accuracy: With a gain accuracy of ±0.5%, this amplifier ensures precise signal amplification for critical applications.
• Low Gain Drift: Exhibits a low gain drift of 5 ppm/°C, which is essential for maintaining accuracy over a wide temperature range.
• Low Offset Voltage: The AD628ARM boasts a low offset voltage, making it suitable for precision measurement tasks.
• Single or Dual Supply Operation: It can operate from a single supply of 5V to 36V or dual supplies of ±2.5V to ±18V, providing flexibility in various circuit designs.
• Robust Output Drive: With the ability to drive heavy loads, this amplifier is versatile for a range of output requirements.

Applications

The AD628ARM is widely used in numerous applications due to its ability to handle high common-mode voltages and maintain precise amplification. Some of its common applications include:

• Motor control feedback systems
• Battery monitoring in automotive systems
• Isolation amplifiers for data acquisition
• Industrial process controls
• Medical instrumentation

Package and Availability

The AD628ARM is available in a robust 8-lead SOIC (Small Outline Integrated Circuit) package, ensuring ease of integration into various electronic assemblies. Analog Devices Inc. provides comprehensive technical support and documentation, making the integration of the AD628ARM into your systems as seamless as possible.