Intersil

ISL22349WFV14Z

ISL22349WFV14Z Description

The ISL22349WFV14Z is a high-performance digital potentiometer (digipot) from Intersil, designed for precision control in various electronic applications. This device features a linear taper and offers 128 positions, providing fine-tuned resistance adjustment. It operates within a supply voltage range of 2.7V to 5.5V, making it suitable for a wide range of power supply environments. The ISL22349WFV14Z is part of the XDCP™ series, known for its robust performance and reliability.

ISL22349WFV14Z Features

• Configuration: Potentiometer
• Resistance: 10k Ohms
• Number of Taps: 128 positions
• Tolerance: ±20%
• Temperature Coefficient: ±50ppm/°C
• Voltage - Supply: 2.7V to 5.5V
• Interface: I2C
• Resistance - Wiper (Typ): 70 Ohms
• Taper: Linear
• Features: Selectable Address
• Mounting Type: Surface Mount
• Package: Tube
• Number of Circuits: 4
• ECCN: EAR99
• HTSUS: 8542.39.0001
• RoHS Status: ROHS3 Compliant

The ISL22349WFV14Z stands out due to its selectable address feature, which allows multiple devices to be connected on the same I2C bus without address conflicts. This feature enhances flexibility and scalability in system design. The device also benefits from a low temperature coefficient of ±50ppm/°C, ensuring stable performance across varying temperatures. The ±20% tolerance and 128-position resolution provide precise control, making it ideal for applications requiring high accuracy.

ISL22349WFV14Z Applications

The ISL22349WFV14Z is well-suited for applications that demand precise resistance control and adjustment. Its linear taper and 128 positions make it ideal for use in:

• Audio Applications: Volume control and tone adjustment in audio equipment.
• Industrial Controls: Precision control in motor speed controllers and sensor interfaces.
• Medical Devices: Calibration and adjustment in medical monitoring equipment.
• Communication Systems: Signal attenuation and gain control in communication circuits.
• Consumer Electronics: Fine-tuning resistance in various consumer devices.

The I2C interface and selectable address feature make it particularly useful in systems with multiple digital potentiometers, simplifying communication and reducing complexity.

Conclusion of ISL22349WFV14Z

The ISL22349WFV14Z from Intersil is a versatile and reliable digital potentiometer, offering high precision and flexibility. Its 128 positions and selectable address feature provide significant advantages over similar models, making it an excellent choice for applications requiring fine-tuned resistance control. Despite being marked as obsolete, the ISL22349WFV14Z remains a valuable component for engineers and designers seeking robust performance and compatibility with modern electronic systems.