The CAT5119TPI-10-T is a non-volatile, digitally programmable potentiometer (DPP) offered by Catalyst Semiconductor. It provides a cost-effective alternative to mechanical potentiometers, allowing for precise and reliable resistance adjustments in various applications. The device features 100 wiper tap points and a simple up/down interface for easy programming.

Applications

• LCD Brightness and Contrast Adjustment
• Volume Control
• Gain Adjustment
• Sensor Calibration
• Power Supply Trimming

Features

• 100 Tap Points
• End-to-End Resistance: 10kΩ
• Up/Down Interface
• Non-Volatile Memory (EEPROM) for Wiper Position Storage
• Single Supply Operation: 2.7V to 5.5V
• Low Power Consumption
• Operating Temperature Range: -40°C to +85°C
• Small Package: TSSOP-8

Benefits

• Precise and repeatable resistance adjustments
• Replaces mechanical potentiometers, improving reliability and reducing size
• Non-volatile memory retains wiper position after power down
• Simple up/down interface simplifies programming
• Low power consumption extends battery life in portable applications

The CAT5119TPI-10-T's wiper position is stored in non-volatile memory (EEPROM), ensuring that the desired resistance setting is retained even after the power is turned off. This feature is crucial in applications where precise and consistent performance is required. The device operates from a single supply voltage of 2.7V to 5.5V and offers low power consumption, making it suitable for battery-powered applications. The CAT5119TPI-10-T is available in a small TSSOP-8 package, enabling compact designs. It's often used in applications requiring precise adjustment and long-term stability, avoiding the drift and wear associated with mechanical potentiometers.