The AD7821KR is a high-performance, 8-bit analog-to-digital converter (ADC) from Analog Devices Inc., designed to offer a perfect blend of speed, power efficiency, and size for a wide range of applications. This ADC is part of Analog Devices' esteemed precision data conversion product line, and it is well-suited for situations requiring fast data acquisition without a significant power drain.

Key Features

• High-Speed Conversion: The AD7821KR is capable of converting analog signals to digital at a rate of up to 2 MSPS (mega-samples per second), making it ideal for high-speed data acquisition systems.
• Low Power Consumption: This ADC consumes a mere 15 mW of power at 5V, which is exceptionally low for its speed class, thereby enabling its use in power-sensitive applications.
• Flexible Power Supply: It operates on a single 5 V power supply, with acceptable performance over a range of 4.75 V to 5.25 V, providing design flexibility and ease of integration into various systems.
• Track/Hold Function: The built-in track/hold function ensures accurate sampling of input signals, even with rapidly varying inputs, thus preserving signal integrity.
• Compact Package: Available in a small 16-pin SOIC package, the AD7821KR saves valuable board space and is suitable for compact designs.

Applications

Given its high-speed and low-power characteristics, the AD7821KR is particularly well-suited for a variety of demanding applications, including:

• Digital oscilloscopes
• Data acquisition systems
• Battery-powered instruments
• Medical imaging devices
• Communications systems

Technical Specifications

The AD7821KR ADC from Analog Devices Inc. represents a superior choice for designers looking for a fast, low-power, and space-efficient data conversion solution.