Product Overview: AD8403ARU100-REEL by Analog Devices Inc.

The AD8403ARU100-REEL is a high-performance digital potentiometer integrated circuit produced by Analog Devices Inc., a leader in precision high-performance electronics. This product comes in a convenient tape and reel packaging, which is ideal for automated assembly processes. The AD8403ARU100 is part of the AD8400 series, which offers a range of digitally controlled variable resistors (VRs).

Key Features

• Resolution: The device features a 8-bit resolution, providing 256 positions for precise control over the resistance settings.
• Quad Channel: This model comes with four independently programmable channels, allowing for multiple adjustments within a single package.
• Resistance Options: It offers a resistance value of 100 kΩ per channel, which is suitable for various applications requiring fine-tuning of resistance.
• Interface: The digital potentiometer uses a versatile 3-wire serial interface that is compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards.
• Package: Housed in a TSSOP-24 (thin shrink small outline package), the AD8403ARU100-REEL is designed for space-saving on printed circuit boards.
• Power Supply: It operates on a single 2.7V to 5.5V power supply, making it suitable for both 3V and 5V systems.
• Endurance: The digital potentiometer offers 5 million wiper switch cycles, ensuring long-term reliability and performance.
• Temperature Range: The device can operate over an industrial temperature range of -40°C to +85°C, ensuring consistent performance in challenging environments.

Applications

The AD8403ARU100-REEL digital potentiometer is widely used in various applications that require precise and programmable resistance adjustments. These applications include:

• Adjustable power supplies
• Programmable gain amplifiers
• Calibration and trimming systems
• Audio equipment
• Automotive electronics

With its robust design and programmability, the AD8403ARU100-REEL from Analog Devices Inc. stands out as a versatile component for designers who require the highest standards of precision and reliability in their electronic systems.