The DS1849 Dual Digital Potentiometer from Maxim Integrated is a versatile and innovative solution for digital resistance adjustments in a wide range of applications. This integrated circuit provides two digitally controlled potentiometers, each with 256-position wiper settings, enabling precise control over the resistance value. It is designed to replace mechanical potentiometers and trim resistors in your circuit with a digital alternative, offering increased reliability and programmability.

Key Features

• Integrated Memory: The DS1849 incorporates nonvolatile (EEPROM) memory to store the wiper position, ensuring the last settings are retained even after power is cycled.
• Wide Voltage Range: It operates over a broad voltage range of 2.7V to 5.5V, making it suitable for both 3V and 5V systems.
• Dual Potentiometer Channels: Each device contains two independent potentiometers, which can be programmed via a 2-wire serial interface, allowing for easy adjustments and control.
• High Resolution: With 256 wiper positions available, users can achieve fine resolution for precise adjustments.
• Multiple Package Options: The DS1849 is available in 14-pin TSSOP and 20-pin SSOP packages, providing flexibility for various design requirements.

Applications

The DS1849 is ideal for a wide range of applications, including but not limited to:

• LCD screen backlight adjustment
• Audio equipment volume control
• Calibration and tuning systems
• Industrial controls
• Automotive electronics

Maxim Integrated's commitment to quality and innovation is evident in the DS1849 Dual Digital Potentiometer, offering a robust and precise digital solution for your resistance adjustment needs. Whether for consumer electronics or industrial applications, the DS1849 provides a reliable and programmable alternative to traditional mechanical potentiometers.