AD8402ARU10-REEL Digital Potentiometer

The AD8402ARU10-REEL from Analog Devices Inc. is a precision, dual-channel digital potentiometer that provides a compact, integrated solution for adjustable control applications. This digital potentiometer is designed to mimic the analog functionality of a mechanical potentiometer with the enhanced reliability and precision of digital control.

With a resistance value of 10 kΩ, the AD8402ARU10-REEL offers a wide range of adjustability, making it suitable for various applications such as adjusting volume, tuning filters, setting operational amplifier gains, and controlling screen brightness. The device features a 256-position adjustment capability, providing fine resolution for precise control. The digital interface allows for easy adjustment through a simple up/down serial interface, which can be controlled by microcontrollers or other digital logic.

The AD8402ARU10-REEL comes in a compact TSSOP-14 package, making it ideal for space-constrained applications. It operates over a wide supply voltage range of 2.7 V to 5.5 V, allowing it to be used in both 3 V and 5 V systems. The low power consumption of this digital potentiometer ensures minimal impact on battery life in portable devices.

Key features of the AD8402ARU10-REEL include:

• 10 kΩ resistance value
• Dual-channel configuration
• 256-position adjustment
• Non-volatile memory to store settings
• Wide operating voltage range (2.7 V to 5.5 V)
• Compact TSSOP-14 packaging
• Low temperature coefficient
• End-to-end resistance tolerance of ±8%

This digital potentiometer is also robust, featuring a wide operating temperature range of -40°C to +85°C, making it suitable for industrial environments. Additionally, the AD8402ARU10-REEL is designed with a non-volatile memory (EEPROM) feature that retains the last programmed resistance value even after power is removed, ensuring consistent performance across power cycles.

Whether for consumer electronics, industrial control systems, or automotive applications, the AD8402ARU10-REEL from Analog Devices Inc. is an excellent choice for designers looking for a reliable and precise variable resistance solution.