Maxim Integrated DS1859B-020+ Dual Digital Potentiometer

The DS1859B-020+ from Maxim Integrated is a versatile dual digital potentiometer designed to deliver precise and reliable digital control of resistance settings. This advanced component is ideal for applications requiring variable resistance adjustments, such as tuning and calibration in communication systems, industrial equipment, and consumer electronics.

Featuring two independently controlled potentiometers in one compact package, the DS1859B-020+ offers a resistance range of 0 to 200 ohms, making it suitable for a wide variety of applications. Each potentiometer can be adjusted through a 3-wire serial interface, which allows for easy integration into microcontroller-based systems.

The device comes in a robust 14-pin TSSOP (Thin Shrink Small Outline Package) that ensures a minimal footprint on the PCB while providing excellent thermal performance and reliability. The DS1859B-020+ operates over a wide temperature range from -40°C to +85°C, guaranteeing stable performance across diverse environmental conditions.

Key features of the DS1859B-020+ include:

• Two 256-Position Potentiometers: Fine granularity of adjustment for precise control.
• Low Temperature Coefficient: Ensures minimal deviation with temperature changes, providing stable operation.
• Nonvolatile Memory (EEPROM): Stores user-defined presets, enabling the device to recall last settings after a power cycle.
• Write Protect Feature: Prevents accidental changes to the potentiometer settings, maintaining system stability.
• Power-On Recall: Automatically loads saved settings from EEPROM on power-up.
• Wide Operating Voltage Range: Supports 2.7V to 5.5V, accommodating various power supply levels.

The DS1859B-020+ is an excellent choice for designers looking to add digital control to their analog circuits without sacrificing performance or board space. With its combination of dual-channel flexibility, digital precision, and nonvolatile memory, the DS1859B-020+ stands out as a highly effective solution for digital potentiometer applications.

Whether you are designing audio equipment, fine-tuning sensor calibration, or developing sophisticated control systems, the DS1859B-020+ from Maxim Integrated provides the functionality and reliability required for your precision analog control needs.