The DS1845E-050+T&R from Maxim Integrated is a versatile, dual nonvolatile (NV) digital potentiometer and memory integrated circuit designed to provide a reliable and precise solution for a variety of applications that require digital control of resistance settings. This component is part of Maxim's extensive range of digital potentiometers that are designed to replace mechanical potentiometers and trimmers with a digital solution, offering increased precision, reliability, and longevity.

Key Features

• Dual Potentiometer: The DS1845 features two potentiometers, each with 256-position wiper settings, allowing for fine adjustment of resistance.
• Nonvolatile Memory: The onboard NV memory ensures that wiper positions are maintained even after power is removed, providing consistent performance across power cycles.
• Wide Operating Voltage Range: The device operates over a wide voltage range of 2.7V to 5.5V, making it suitable for both 3V and 5V systems.
• I2C Interface: Equipped with an I2C serial interface, the DS1845 allows for easy communication and integration with a microcontroller or other I2C compatible devices.
• High Reliability: Maxim Integrated's commitment to quality means the DS1845E-050+T&R is designed for high reliability and stable operation over its lifetime.
• Compact Packaging: Supplied in a tape and reel (T&R) format, it is ideal for automated assembly processes, and its compact SOT-23-6 package saves valuable board space.

Applications

The DS1845E-050+T&R is well-suited for a range of applications, including but not limited to:

• Adjustable power supplies and voltage references
• Calibration and tuning of system parameters in consumer electronics
• Gain and offset adjustment in data converters
• Automotive electronics for system adjustments
• Industrial control systems

Technical Specifications

Below are some of the technical specifications for the DS1845E-050+T&R:

• Resistance Options: 50kΩ
• Memory Type: Nonvolatile (EEPROM)
• Interface: I2C Serial
• Package/Case: SOT-23-6
• Operating Temperature Range: -40°C to +85°C

In conclusion, the DS1845E-050+T&R from Maxim Integrated represents a high-quality, durable, and precise digital potentiometer solution suitable for a wide array of electronic applications. Its combination of dual potentiometer functionality, nonvolatile memory, and easy integration makes it an excellent choice for designers looking to enhance their systems with digital precision and reliability.