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AD8402AR1-REEL

AD8402AR1-REEL Description

The AD8402AR1-REEL is a digital potentiometer designed by Analog Devices Inc., featuring a 1kΩ resistance and a linear taper. This component is housed in a 14-pin SOIC package and is available in a tape and reel format, making it suitable for surface mount applications. The AD8402AR1-REEL offers 256 tap positions, providing precise control over resistance values. It operates within a supply voltage range of 2.7V to 5.5V and has a typical temperature coefficient of 700ppm/°C. The device includes two circuits and features a typical wiper resistance of 200Ω. Its memory type is volatile, and it interfaces via the SPI protocol. Despite being marked as obsolete, the AD8402AR1-REEL remains a reliable choice for applications requiring programmable resistance.

AD8402AR1-REEL Features

• Configuration: Potentiometer with 256 tap positions for fine-tuned resistance control.
• Resistance: 1kΩ with a tolerance of ±33%, offering flexibility in various applications.
• Temperature Coefficient: A typical value of 700ppm/°C ensures stable performance across a range of temperatures.
• Supply Voltage: Operates within a 2.7V to 5.5V range, making it suitable for a variety of power supply configurations.
• Memory Type: Volatile memory, which means the device retains settings only while powered.
• Interface: SPI compatibility for easy integration with microcontrollers and other digital systems.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating it is suitable for use in environments with varying humidity levels.
• Package: Tape & Reel (TR) format, ideal for automated assembly processes.
• Circuits: Two circuits provide additional functionality and flexibility.
• Wiper Resistance: Typical 200Ω wiper resistance ensures minimal impact on circuit performance.

AD8402AR1-REEL Applications

The AD8402AR1-REEL is well-suited for applications requiring programmable resistance, such as:

• Audio Systems: Volume control and tone adjustment in audio equipment.
• Medical Devices: Precision control in medical monitoring and diagnostic equipment.
• Industrial Controls: Calibration and adjustment of sensors and actuators.
• Consumer Electronics: Variable resistance in devices like thermostats and lighting controls.
• Automotive Electronics: Fine-tuning of electronic systems in vehicles.

Conclusion of AD8402AR1-REEL

The AD8402AR1-REEL digital potentiometer from Analog Devices Inc. offers a versatile and reliable solution for applications requiring programmable resistance. Its 256 tap positions, 1kΩ resistance, and linear taper provide precise control, while its SPI interface and surface mount package make it easy to integrate into modern electronic designs. Despite its obsolete status, the AD8402AR1-REEL remains a valuable component for engineers seeking a high-quality digital potentiometer with proven performance.