onsemi

CAT523L

CAT523L Description

The CAT523L is a digitally programmable potentiometer designed for precision control in various electronic applications. Manufactured by onsemi, this device is part of the CAT523 series and offers a robust set of features tailored for data acquisition and control systems. Despite being marked as obsolete, the CAT523L remains a viable option for legacy systems and specific applications requiring its unique capabilities.

CAT523L Features

• Configuration: The CAT523L is configured as a potentiometer, providing a versatile solution for adjustable resistance applications.
• Temperature Coefficient: With a typical temperature coefficient of 300ppm/°C, the CAT523L ensures stable performance across its operating temperature range of 0°C to 70°C.
• Number of Taps: This device features 256 taps, offering fine granularity in resistance adjustment.
• Voltage - Supply: The CAT523L operates within a supply voltage range of 2.7V to 5.5V, making it suitable for a wide range of power supply configurations.
• Resistance (Ohms): The nominal resistance of the CAT523L is 24kΩ, with a tolerance of ±20%, ensuring flexibility in circuit design.
• Taper: The linear taper of the CAT523L provides a direct and predictable relationship between tap position and resistance value.
• Interface: The device communicates via a serial interface, simplifying integration into existing systems.
• Mounting Type: Surface mount technology ensures ease of installation and compatibility with modern PCB designs.
• Number of Circuits: The CAT523L includes two circuits, enhancing its functionality for dual-channel applications.
• Package: Available in bulk packaging, the CAT523L is suitable for volume production and inventory management.

CAT523L Applications

The CAT523L is ideal for applications requiring precise control over resistance values, such as:

• Audio Systems: For volume control and tone adjustment, the CAT523L provides a reliable and programmable solution.
• Industrial Control Systems: In applications requiring adjustable gain or offset control, the CAT523L offers precise resistance tuning.
• Medical Equipment: For devices that require adjustable resistance for calibration or control, the CAT523L ensures accurate and stable performance.
• Automotive Electronics: In systems where programmable resistance is necessary for sensor or actuator control, the CAT523L is a suitable component.

Conclusion of CAT523L

The CAT523L, despite its obsolete status, remains a valuable component for specific applications requiring a digitally programmable potentiometer. Its combination of a wide operating temperature range, precise resistance control, and versatile mounting options make it a reliable choice for engineers and designers. While newer alternatives may offer enhanced features, the CAT523L continues to serve as a dependable solution for legacy systems and specialized use cases.