The DS1804-100 from Maxim Integrated is a versatile, nonvolatile digital potentiometer that provides a programmable solution for adjusting resistance values electronically. Designed to operate over a wide voltage range of 4.5V to 5.5V, this digital potentiometer is perfect for applications that require precise calibration and adjustment of analog signals in real-time.
Key Features
- 100-position Linear Taper Potentiometer: The DS1804-100 offers a linear taper potentiometer with 100 distinct wiper positions, allowing for fine-grained control over resistance adjustments.
- Nonvolatile Memory: Wiper settings are stored in onboard nonvolatile memory, ensuring that the last position is retained even after the power is cycled, providing a reliable startup configuration.
- Three Control Pins: The device is controlled via three pins (CS, INC, U/D) which are used for device selection, incrementing the wiper, and determining the direction of wiper movement, respectively.
- Single-Supply Operation: The DS1804-100 operates from a single 4.5V to 5.5V power supply, making it suitable for many standard systems and simplifying power management.
- High Reliability: With its robust design, the DS1804-100 offers a long operational life and high reliability, which is crucial for industrial and commercial applications.
Applications
The DS1804-100 is ideal for a wide range of applications, including:
- Volume control in audio systems
- Adjustable power supplies
- Gain control and offset adjustment in data acquisition systems
- Contrast, brightness, or color balance adjustment in video and display systems
Technical Specifications
| Parameter |
Value |
| Resistance Value |
100 kΩ |
| Number of Positions |
100 |
| Supply Voltage |
4.5V to 5.5V |
| Interface |
3-wire serial |
| Temperature Range |
-40°C to +85°C |
Overall, the Maxim Integrated DS1804-100 is a reliable and precise digital potentiometer that offers ease of integration and flexibility for designers looking to incorporate programmable resistance adjustments into their electronic systems.