The DS1849B-008 from Maxim Integrated is a versatile, dual digital potentiometer designed to provide a digital solution to analog trimming and variable resistor applications. This compact component is an integral part of a wide range of electronic systems, offering precision and control in a digital format.
Key Features
- Resolution: The device includes two 256-position potentiometers, offering fine adjustment capabilities for precise tuning of circuit parameters.
- Nonvolatile Memory: Integrated nonvolatile (EEPROM) memory ensures that the potentiometer settings are retained even when the power is removed, providing stable and reliable performance across power cycles.
- Wide Voltage Range: The DS1849B-008 operates over a wide voltage range of 2.7V to 5.5V, making it suitable for both low-power and standard applications.
- I²C Interface: The inclusion of an I²C-compatible serial interface facilitates easy communication and control from a microcontroller or processor, simplifying integration into digital systems.
- Multiple Package Options: This device is available in a range of package types, including the space-saving 10-pin µSOP, allowing for flexibility in design and application.
Applications
The DS1849B-008 is ideal for a variety of applications where digital control of resistance is required. Common uses include:
- Adjusting LCD panel brightness and contrast
- Calibrating system tolerances or offset adjustments
- Setting operational parameters for industrial controls
- Tuning and calibration in communication devices
Product Specifications
| Parameter |
Value |
| Resistance Range |
10kΩ |
| Memory Type |
EEPROM |
| Interface |
I²C |
| Supply Voltage |
2.7V to 5.5V |
| Temperature Range |
-40°C to +85°C |
With its robust feature set and Maxim Integrated's commitment to quality, the DS1849B-008 is an excellent choice for designers looking to add digital control to their analog systems.