About Digital Potentiometer
Digital Potentiometer
Specifications of Digital Potentiometer
- Range 0 to 2000mV.
- Resolution 0.1 mV.
- Slope Correction 80% to 120%.
- Repeatability 1 mV.
- Accuracy ± 1 mV ± digit.
- Input Impedance 10 ohms.
- Operating Temperature 0° to 50°C.
- Display 3½ Digit LED display.
Precision Control for Modern ElectronicsEngineered for exact variable resistance settings, this digital potentiometer delivers consistent, reliable performance in automation and microcontroller systems. Its 256-step resolution enables fine adjustments, while the integrated I2C/SPI interface ensures seamless integration with a variety of controllers. The built-in 7-segment digital display provides clear feedback for settings and operational status.
Robust Build and Long-lasting OperationThe device features a robust ABS plastic casing and is designed for secure PCB mounting. It supports over 100,000 operational cycles and boasts ESD protection up to 2kV. It remains accurate across a wide temperature range (-10C to 85C) and humidity levels (10% 90% RH), making it dependable in demanding environments.
Versatile Applications and ComplianceThis digital potentiometer is optimized for electronic circuits, signal adjustment, and volume control. Suitable for DC-powered systems at 5V, it operates efficiently with microcontrollers and automation setups. RoHS compliance, low power draw, and semi-automatic operation make it a responsible choice for manufacturers and exporters in India seeking reliable electronic components.
FAQs of Digital Potentiometer :
Q: How do I integrate the digital potentiometer with a microcontroller?
A: Integration is straightforward; connect the devices I2C or SPI interface to the corresponding ports on your microcontroller. Ensure the power supply is 5V DC. Programming is typically achieved using standard libraries compatible with I2C/SPI connections.
Q: What are the primary benefits of using this digital potentiometer over a traditional analog one?
A: Unlike analog potentiometers, this digital version offers precise, repeatable resistance adjustments in 256 steps, remote configuration via digital inputs, non-volatile memory (EEPROM) for data retention, and higher stability due to improved ESD protection and reliability.
Q: When is this potentiometer particularly useful in circuit design?
A: It is ideal for volume control, signal adjustment, or any application where accurate and programmable resistance settings are required, especially in environments demanding low power consumption and high reliability.
Q: Where can the digital potentiometer be mounted, and what are its dimensions?
A: The device is designed for PCB mount applications, measuring 55mm x 35mm x 20mm, and weighs 30 grams. Its compact rectangular form ensures it fits easily into standard circuit assemblies.
Q: What is the process for adjusting resistance values?
A: Resistance is set digitally through serial commands sent via the I2C or SPI interface. These commands increment or decrement resistance in one of 256 possible steps, which the built-in microprocessor and EEPROM store persistently.
Q: What usage environments can it withstand?
A: This potentiometer operates reliably in temperatures ranging from -10C to 85C and humidity levels of 10% 90% RH, making it suitable for industrial and laboratory settings.
Q: What ensures the longevity and ongoing performance of this device?
A: With over 100,000 operational cycles, ESD protection up to 2kV, robust ABS housing, and low current draw, this digital potentiometer is engineered for durability and consistent performance throughout its lifecycle.