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AD780CR

AD780CR Description

The AD780CR is a precision voltage reference IC designed by Analog Devices Inc., offering high accuracy and stability for a wide range of electronic applications. This device is part of the AD780 family and is known for its exceptional performance in terms of low temperature coefficient, low output noise, and high initial accuracy. The AD780CR features a programmable output type, allowing users to select between ±2.5V and ±3V output voltages, making it highly versatile for various circuit designs.

AD780CR Features

• Programmable Output Type: The AD780CR provides a programmable output type, enabling users to choose between ±2.5V and ±3V output voltages. This flexibility makes it suitable for a wide range of applications requiring different reference voltage levels.
• High Accuracy: The device offers an initial accuracy of ±0.06% and ±0.17%, ensuring precise voltage references in demanding applications. This level of accuracy is critical for high-precision analog circuits.
• Low Temperature Coefficient: With a temperature coefficient of 7ppm/°C, the AD780CR maintains its accuracy over a wide temperature range, making it ideal for applications where temperature variations are significant.
• Low Output Noise: The AD780CR is designed to provide low output noise, ensuring stable and reliable performance in sensitive analog circuits.
• Surface Mount Packaging: The AD780CR is available in a surface mount package, making it suitable for modern PCB designs that require compact and reliable components.
• Wide Input Voltage Range: The device operates over a wide input voltage range of 4V to 36V, providing flexibility in power supply requirements.
• Low Supply Current: The AD780CR requires only 1mA of supply current, making it energy-efficient and suitable for low-power applications.
• Series and Shunt Reference Types: The AD780CR can be configured as either a series or shunt reference, offering additional flexibility in circuit design.
• High Output Current: The device can provide up to 10mA of output current, making it suitable for driving multiple loads or high-current applications.
• Moisture Sensitivity Level: The AD780CR has a moisture sensitivity level (MSL) of 1, indicating unlimited exposure, which enhances its reliability in various environmental conditions.

AD780CR Applications

The AD780CR is ideal for a variety of applications that require high-precision voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The high accuracy and low noise of the AD780CR make it an excellent reference for ADCs, ensuring precise and reliable digital conversions.
• Digital-to-Analog Converters (DACs): The device's stability and accuracy are crucial for DACs, providing accurate analog output signals.
• Precision Measurement Equipment: The AD780CR's low temperature coefficient and high initial accuracy make it suitable for precision measurement instruments, such as voltmeters and calibrators.
• Power Supply References: The wide input voltage range and low supply current make the AD780CR ideal for use as a reference in power supply designs, ensuring stable and accurate voltage regulation.
• Medical Equipment: The AD780CR's high reliability and precision make it suitable for medical devices that require accurate voltage references for critical measurements and control functions.

Conclusion of AD780CR

The AD780CR is a high-performance voltage reference IC that offers exceptional accuracy, stability, and flexibility. Its programmable output, low temperature coefficient, and low noise make it an ideal choice for a wide range of precision analog applications. Despite being marked as obsolete, the AD780CR remains a reliable and versatile component for engineers and designers seeking high-precision voltage references in their circuits.