Intersil

ISL90843UIU1027Z

ISL90843UIU1027Z Description

The ISL90843UIU1027Z is a digital potentiometer from Intersil, featuring a 50kΩ resistance and a linear taper. This device is part of the XDCP™ series and offers 256 tap positions, providing precise control over resistance settings. It operates within a supply voltage range of 2.7V to 5.5V, making it suitable for a variety of electronic applications. The ISL90843UIU1027Z is designed for surface mount applications and comes in a tube package, ensuring ease of integration into modern circuit designs.

ISL90843UIU1027Z Features

• Configuration: Potentiometer with 256 tap positions.
• Tolerance: ±20%, ensuring reliable performance across a wide range of applications.
• Supply Voltage: 2.7V to 5.5V, offering flexibility in power supply requirements.
• Memory Type: Volatile, which means the device retains its settings only while powered.
• Features: Selectable address, allowing multiple devices to be used on the same bus without conflict.
• Interface: I2C, providing a simple and efficient communication protocol for control and data transfer.
• Resistance (Wiper): 70Ω typical, ensuring low resistance paths for efficient signal transfer.
• Number of Circuits: 4, allowing for multiple functions within a single package.
• Mounting Type: Surface Mount, ideal for compact and high-density designs.
• Package: Tube, ensuring robust handling and storage.
• RoHS Status: ROHS3 Compliant, meeting environmental standards for electronic components.

ISL90843UIU1027Z Applications

The ISL90843UIU1027Z is ideal for applications requiring precise control of resistance, such as:

• Audio Systems: Volume control and tone adjustment.
• Power Management: Voltage regulation and current limiting.
• Signal Processing: Gain control in amplifiers and filters.
• Medical Devices: Calibration and adjustment of sensitive equipment.
• Industrial Controls: Precision control in sensors and actuators.

Conclusion of ISL90843UIU1027Z

The ISL90843UIU1027Z digital potentiometer from Intersil offers a versatile and precise solution for applications requiring adjustable resistance. With its 256 tap positions, linear taper, and I2C interface, this device provides high-resolution control and easy integration into various electronic systems. The selectable address feature allows for multiple devices to be used on the same bus, enhancing the flexibility of system design. While the product is marked as obsolete, it remains a reliable choice for legacy systems and applications where its unique features are still highly valued.