onsemi

CAT5128TBI-50GT3

CAT5128TBI-50GT3 Description

The CAT5128TBI-50GT3 is a digital potentiometer designed by onsemi, featuring a 50kΩ resistance and 32 taps. This device is housed in a Surface Mount SOT23-8 package, making it suitable for compact and space-efficient designs. The CAT5128TBI-50GT3 operates within a supply voltage range of 2.5V to 5.5V and offers a linear taper, ensuring precise control over resistance adjustments. The device is equipped with a volatile memory type, meaning it retains settings only while power is applied. With a temperature coefficient of 50ppm/°C and a tolerance of ±20%, the CAT5128TBI-50GT3 ensures stable performance across varying temperatures. The wiper resistance is typically 150Ω, providing reliable electrical characteristics. The device is REACH unaffected and has a Moisture Sensitivity Level (MSL) of 1, indicating it is suitable for unlimited exposure to ambient conditions. The interface is controlled via Up/Down (UP, DN) signals, facilitating easy integration into digital control systems.

CAT5128TBI-50GT3 Features

• Resistance and Tolerance: The CAT5128TBI-50GT3 features a 50kΩ resistance with a tolerance of ±20%, providing a wide range of resistance values for precise tuning.
• Linear Taper: The linear taper ensures consistent resistance changes, making it ideal for applications requiring precise control.
• 32 Taps: With 32 discrete taps, the device offers fine granularity in resistance adjustment, allowing for highly precise control.
• Volatile Memory: The volatile memory type ensures that the device retains settings only while powered, which can be advantageous for applications where dynamic adjustments are required.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 2.5V to 5.5V, making it suitable for a variety of power supply environments.
• Low Temperature Coefficient: The 50ppm/°C temperature coefficient ensures stable performance across a wide temperature range.
• Low Wiper Resistance: The typical wiper resistance of 150Ω ensures minimal impact on the overall circuit performance.
• Easy Integration: The Up/Down (UP, DN) interface simplifies integration into digital control systems, facilitating straightforward control and adjustment.

CAT5128TBI-50GT3 Applications

The CAT5128TBI-50GT3 is well-suited for a variety of applications where precise resistance control is required. Some specific use cases include:

• Audio Applications: Ideal for volume control and tone adjustment in audio equipment, providing smooth and precise control over audio levels.
• Signal Conditioning: Used in signal conditioning circuits to adjust gain and offset, ensuring optimal signal performance.
• Power Management: Suitable for adjusting voltage levels in power management circuits, providing precise control over power delivery.
• Medical Devices: Can be used in medical devices requiring precise resistance adjustments, such as in monitoring equipment and diagnostic tools.
• Industrial Control Systems: Ideal for industrial applications where precise control over resistance is necessary for process control and automation.

Conclusion of CAT5128TBI-50GT3

The CAT5128TBI-50GT3 digital potentiometer from onsemi offers a versatile and precise solution for applications requiring adjustable resistance. With its 50kΩ resistance, 32 taps, and linear taper, the device provides fine granularity and precise control. The wide operating voltage range, low temperature coefficient, and low wiper resistance ensure stable and reliable performance. The Up/Down (UP, DN) interface simplifies integration into digital control systems, making it an ideal choice for a variety of applications, including audio, signal conditioning, power management, medical devices, and industrial control systems. Despite its obsolete status, the CAT5128TBI-50GT3 remains a reliable and effective component for precise resistance control in compact designs.