Maxim Integrated DS1841N+T&R Digital Potentiometer

The DS1841N+T&R from Maxim Integrated is a versatile, nonvolatile digital potentiometer that offers a reliable solution for a wide range of applications requiring precise resistance adjustments. This digital potentiometer is designed to endure the demands of modern electronic systems, providing an efficient and accurate means of controlling resistance without the need for manual tuning.

With its logarithmic taper characteristic, the DS1841N+T&R is particularly suited for audio applications where volume control is essential. It features a resistance range of 10kΩ, which can be adjusted through an I²C-compatible serial interface, allowing for seamless integration with microcontrollers and other digital systems. This digital communication protocol enables the device to remember its resistance setting even after power is removed, thanks to its nonvolatile memory.

The DS1841N+T&R is available in a compact SOIC-8 package, making it an ideal choice for space-constrained applications. It is supplied in tape and reel form (T&R), facilitating efficient handling and placement during the manufacturing process, especially for high-volume production runs. The device operates over a wide temperature range of -40°C to +85°C, ensuring reliable performance across various environmental conditions.

Key features of the DS1841N+T&R include:

• 256-position logarithmic taper potentiometer
• Nonvolatile (EEPROM) storage of wiper position
• 10kΩ end-to-end resistance
• I²C-compatible serial interface
• Wide operating voltage range of 2.7V to 5.5V
• Low power consumption
• High reliability with 50,000 wiper store cycles
• 100-year wiper position data retention

Applications of the DS1841N+T&R are diverse and include audio equipment, cellular phones, portable electronics, and other devices where digital control of resistance is needed. Engineers and designers choose this digital potentiometer for its ease of use, digital precision, and the quality assurance of Maxim Integrated, a trusted name in the industry.

Whether you are developing a sophisticated audio system or looking to fine-tune circuit parameters in your next electronic project, the DS1841N+T&R offers a high-performance, reliable solution that simplifies design challenges and enhances end-product functionality.