CAT5259YI-50-T2

Memory Type:	Non-Volatile
Base Part Number:	CAT5259
Supplier Device Package:	24-TSSOP
Package / Case:	24-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	200
Temperature Coefficient (Typ):	±300 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	2.5 V ~ 6 V
Series:	--
Interface:	I²C
Resistance (Ohms):	50k
Number of Taps:	256
Number of Circuits:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to CAT5259YI-50-T2

CAT5259YI-50-T2 is a digital potentiometer manufactured by Catalyst Semiconductor and is part of their data acquisition family. It is specifically designed for low noise, low power consumption, and high data accuracy. The device is equipped with three digital terminals for reading, writing, and storing data, as well as a power terminal for power management and a pot reference terminal which allows for easy connection to a wide range of analog circuits.

Application Field

CAT5259YI-50-T2 is most commonly used in applications such as resolving and adjusting the frequency of oscillators, adjusting the brightness of LED illumination, audio equalization, and control systems. The device is designed for efficient control of electrical equipment with energy efficiency and low heat emissions, making it highly suited for industrial as well as consumer electronic applications.

Working Principle

The CAT5259YI-50-T2 is a digital potentiometer operated through a two-wire interface. The device contains an integrated potentiometer which is capable of storing a digital value ranging from 0 - 255. The virtual potentiometer converts the discrete digital values into an analog voltage which can be then used to control an output.The digital potentiometer is controlled through its digital write port using serial commands. These commands reference the stored digital value, as well as the internal voltage which requires adjustment. An optional resistive feedback from the integrated potentiometer read port allows for closed loop control. This feedback is used to maintain the accuracy of the output by matching the programmed voltage to the output voltage.

Conclusion

The CAT5259YI-50-T2 is a digital potentiometer manufactured by Catalyst Semiconductor designed for applications such as resolving and adjusting the frequency of oscillators, adjusting the brightness of LED illumination, audio equalization, and control systems. It is operated through a two-wire interface and contains an integrated potentiometer which is capable of storing a digital value from 0-255. The device is equipped with three digital terminals for reading, writing, and storing data, as well as a power terminal for power management and a pot reference terminal for easy connection to analog circuits. The included resistive feedback allows for closed loop control, ensuring accuracy of the output voltage.

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