The AD680 is a precision, low power, low dropout, voltage reference from Analog Devices Inc. that provides a stable output voltage over a wide range of input voltages and load conditions. This product is designed to maintain high accuracy and reliability, making it an ideal choice for high-performance data converters, portable instrumentation, and other precision circuit applications.

Key Features

• Output Voltage: The AD680 is available in two output voltage options: 2.5V and 4.096V, which are laser trimmed to high accuracy.
• Low Dropout Voltage: It operates with a very low dropout voltage, typically 200 mV at 10 mA load, allowing it to function effectively in systems with a tight power supply.
• High Output Current: Capable of sourcing up to 10 mA of output current and sinking up to 5 mA, this voltage reference can drive a wide range of loads.
• Low Power Consumption: The AD680 is optimized for low power operations, consuming only 500 µA of quiescent current, which is beneficial for battery-powered devices.
• Temperature Drift: It features a low temperature coefficient, typically 25 ppm/°C, ensuring stable performance over a wide temperature range.
• Wide Operating Range: The device can operate over a broad input voltage range from 4.5V to 36V, providing flexibility in various applications.

Applications

The AD680 voltage reference is suitable for a multitude of applications, including:

• Precision data systems
• Battery-powered and portable equipment
• Digital voltmeters
• Instrumentation and test equipment
• High-resolution converters

Technical Specifications

For engineers and designers considering the AD680 for their systems, the following specifications are of importance:

• Initial Accuracy: ±0.15%
• Operating Temperature Range: -40°C to +85°C
• Package Options: 3-pin TO-92, 8-lead SOIC, and 8-lead plastic DIP

With its combination of features, the AD680 from Analog Devices Inc. represents a robust and precise voltage reference solution for demanding applications where accuracy and power efficiency are paramount.