onsemi

CAT5113ZI-10-T3

CAT5113ZI-10-T3 Description

The CAT5113ZI-10-T3 is a 10kΩ digital potentiometer from onsemi, designed for precision analog signal adjustment in surface-mount applications. Configured as a single-channel potentiometer with 100 taps, it offers linear taper control via an Up/Down (U/D, INC, CS) interface, enabling incremental resistance adjustments. Operating within a 2.5V to 6V supply range, this IC features a ±20% tolerance and a 300ppm/°C temperature coefficient, ensuring stable performance across varying environmental conditions. Though now obsolete, it remains a reliable choice for legacy designs requiring low-power, compact digital potentiometer solutions. Packaged in an 8-pin MSOP with Tape & Reel (TR) delivery, it is ROHS3 compliant and REACH unaffected, meeting stringent environmental standards.

CAT5113ZI-10-T3 Features

• 100-Tap Resolution: Provides fine-grained resistance adjustment for precise analog control.
• Wide Voltage Range (2.5V–6V): Compatible with low-voltage and standard logic systems.
• Low Wiper Resistance (1kΩ Max): Minimizes signal attenuation in voltage-divider applications.
• Up/Down Interface: Simplifies digital control without requiring complex serial protocols.
• Surface-Mount (MSOP-8): Ideal for space-constrained PCB designs.
• 300ppm/°C Tempco: Maintains stable resistance values over temperature fluctuations.
• RoHS3 Compliant: Meets modern environmental regulations.

CAT5113ZI-10-T3 Applications

• Volume/Gain Control: Adjusts audio levels in portable devices or amplifiers.
• Sensor Calibration: Fine-tunes sensor output in industrial or automotive systems.
• Power Supply Feedback: Dynamically adjusts voltage/current in DC-DC converters.
• LCD Contrast/Brightness: Optimizes display settings in embedded systems.
• Legacy System Upgrades: Replaces mechanical potentiometers in older designs for improved reliability.

Conclusion of CAT5113ZI-10-T3

The CAT5113ZI-10-T3 excels in applications demanding compact size, digital adjustability, and stable performance. Its 100-tap resolution and simple interface make it versatile for analog signal conditioning, though its obsolete status may limit new designs. For legacy or low-voltage systems requiring a robust, environmentally compliant digital potentiometer, this IC remains a pragmatic choice. Engineers should evaluate alternative modern equivalents for future-proofing while leveraging this device for proven performance in existing implementations.