Product Description
Digital Potentiometer
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Featured with Latest technology & designed to meet the needs of modern industry. our products are widely used in laboratory . Being one of the leaders for over two decades, we have constantly upgraded our technology and offered excellent after-sales service
Specifications:
| Range | 0 to+ 1999.9mV |
| Resolution | 1 mV |
| Repeatability | + 1 mV |
| Accuracy | + 1 mV +digit |
| Input Impedance | 10 ohms |
| Operating Temperature | 10 to 50oC |
| Display | 3 1/2 Digit 0.5 seven segment LED display Indication |
| Power | 230V + 10, 50Hz |
| Dimensions | 76 x 275 x 170 mm. |
| Weight | 2 Kg (approx.) |
Precise Digital ControlExperience refined resistance adjustment with 256 or 1024 step digital potentiometers, controllable via SPI, I2C, or direct digital inputs. Their microcontroller compatibility streamlines integration into modern electronic systems, enhancing automation and repeatability in test set-ups, laboratory instruments, and more.
Versatile Mounting and PackagingChoose from multiple package types-DIP, SOIC, SSOP, or custom solutions-suitable for both through-hole and surface mount applications. Compact and lightweight designs adapt well to diverse electronic setups, from prototyping boards to finished devices, optimized for efficient use of space.
Robust and Reliable PerformanceBuilt with high-grade electronic components and housed for durability, these digital potentiometers operate consistently over a wide temperature range and support over 1,000,000 wiper cycles. RoHS compliance and high power handling ensure their suitability for demanding laboratory and industrial environments.
FAQ's of Digital Potentiometer:
Q: How does a digital potentiometer work in an electronic circuit?
A: A digital potentiometer provides variable resistance controlled by a digital interface (such as SPI or I2C), allowing for automated adjustment of resistance or voltage division without manual tuning. This is useful for calibration, signal processing, or setting reference values in microcontroller-based systems.
Q: What are the main benefits of using a digital potentiometer over a mechanical one?
A: Digital potentiometers offer remote programmability, higher repeatability, and better integration with automated or microcontroller-controlled systems. They also provide non-volatile memory in certain models, maintain compact size, and can withstand a high number of adjustment cycles.
Q: When should I select a 256-position versus a 1024-position digital potentiometer?
A: Select a 1024-position (10-bit) device when you need finer resistance resolution for precision applications. Choose a 256-position (8-bit) model for general use where moderate step granularity is sufficient and lower system complexity is desirable.
Q: Where can digital potentiometers be mounted, and what package options are available?
A: These devices are offered in various packages, including DIP, SOIC, SSOP, and custom forms, supporting both through-hole and surface-mount (SMD) applications. You can install them on standard PCBs for rapid prototyping or in finished products depending on your assembly requirements.
Q: What process should I follow to integrate a digital potentiometer with a microcontroller?
A: Connect the digital potentiometer's interface pins (SPI/I2C or digital lines) to the appropriate microcontroller ports, supply 3.3V or 5V DC power (per model), and use software libraries compatible with your interface to control resistance values programmatically.
Q: Is the device suitable for use in laboratory environments and what resistance options are available?
A: Yes, digital potentiometers are designed for laboratory and industrial settings where precise resistance adjustment is essential. Resistance values available include 1 k, 10 k, 50 k, and 100 k, with customized ranges possible upon request.
Q: What is the product's lifespan and operating temperature range?
A: The typical lifespan exceeds 1,000,000 wiper operations, ensuring longevity in active use. Operating temperature range reaches up to +85C, supporting reliable performance even in demanding environments.