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AD587KR

AD587KR Description

The AD587KR from Analog Devices Inc. is a high-precision, 10V fixed-output series voltage reference IC designed for demanding analog and mixed-signal applications. Packaged in an 8-pin SOIC and rated for 0°C to 70°C operation, it delivers exceptional ±0.05% initial accuracy and ultra-low 10ppm/°C temperature drift, ensuring stable performance across varying environmental conditions. With a 4mA supply current and 10mA output drive capability, it supports low-power designs while maintaining high output stability. The device operates from a 13.5V to 36V input range, making it suitable for industrial and instrumentation systems requiring wide supply flexibility.

AD587KR Features

• Ultra-High Precision: ±0.05% tolerance ensures minimal output deviation.
• Low Temperature Drift: 10ppm/°C enhances stability in thermal variations.
• Wide Input Range (13.5V–36V): Compatible with diverse power supplies.
• Low Supply Current (4mA): Optimized for energy-efficient designs.
• 10mA Output Current: Capable of driving moderate loads directly.
• Surface-Mount (SOIC-8) Package: Facilitates compact PCB integration.
• Obsolete Status: May require alternative sourcing for new designs.

AD587KR Applications

The AD587KR excels in precision-critical applications such as:

• Data Acquisition Systems: Ensures accurate ADC/DAC reference voltages.
• Industrial Instrumentation: Provides stable references for sensors and control systems.
• Medical Equipment: Guarantees reliable voltage references in diagnostic devices.
• Test & Measurement Gear: Supports high-resolution calibration standards.
• Aerospace & Defense: Suitable for avionics where precision is paramount (though obsolescence may limit new deployments).

Conclusion of AD587KR

The AD587KR stands out for its exceptional accuracy, low drift, and robust input range, making it a preferred choice for precision voltage referencing. While marked as obsolete, its performance remains unmatched in legacy systems. Engineers should evaluate replacement options (e.g., AD587’s successors) for new designs but can rely on this IC for existing high-accuracy applications where stability is critical.