ISL23325UFVZ-TK

Memory Type:	Volatile
Base Part Number:	ISL23325
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	70
Temperature Coefficient (Typ):	65 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	1.2 V ~ 5.5 V, 1.7 V ~ 5.5 V
Series:	XDCP™
Interface:	I²C
Resistance (Ohms):	50k
Number of Taps:	256
Number of Circuits:	2
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The ISL23325UFVZ-TK is a digital potentiometer that can be applied to a variety of applications in the data acquisition field. A digital potentiometer is typically an integrated circuit that acts like an analog potentiometer and is powered by external voltage sources. It provides a great deal of control over the resistance of an analog circuit and thus the functionality of the circuit. The ISL23325UFVZ-TK is a 5-channel precision digital potentiometer which is designed to control the exact voltage and current required by a circuit or system. Each channel can be independently and variably adjusted. It is a very accurate, low-power device, able to handle up to ±20 V range and provide resolution up to 16 bits.

Overview

The ISL23325UFVZ-TK is a high-grade, all-in-one digital potentiometer which contains 5 independent channels. Each channel can be independently adjusted by an external logic signal, allowing for precise control of the resistance and thus the desired application. The ISL23325UFVZ-TK is powered by 3.3 V to 5.25 V external voltage sources and features built-in protection against power surges and accidental overloads. The ISL23325UFVZ-TK is highly accurate in its precision and allows for a resolution up to 16 bits. It also features an adjustable wiper resistance range from 0 ohms to 10 kohms. The device features an SPI (Serial Peripheral Interface) for communication with microcontrollers and is able to operate with up to 5 MHz clock rate.

Applications

The ISL23325UFVZ-TK digital potentiometer can be used in a variety of applications in the data acquisition field. These include power supply design, motor speed control, analog-to-digital conversion, and motor driver applications. It is also used in sigma-delta modulation circuits, voltage-controlled oscillators, and digital volume control applications. The device can be used in precision circuit design, as it allows for accurate control of the resistance and thus the desired application. It is also useful in robotics, in which the exact voltage and current needs to be constantly adjusted for precise operation. Additionally, it is useful in precision medical equipment, in which accurate control of the resistance is essential for reliable operation.

Working Principle

The working principle of the ISL23325UFVZ-TK digital potentiometer is simple. Its resistance is controlled by an external logic signal, which can be used to adjust the resistance of the circuit or system. This is done by adjusting the wiper resistance, which is a three-terminal device that is connected to the external voltage source. The device is able to operate up to 5 MHz clock rate, which is adjustable through its SPI interface. Depending on the application, the device can feature up to 16 bit resolution in order to provide precise resistance adjustment. The device also features built-in protection against power surges and accidental overloads, ensuring reliable operation.

Conclusion

The ISL23325UFVZ-TK is a high-precision digital potentiometer which can be used for a variety of applications in the data acquisition field. It is powered by an external voltage source and features an adjustable wiper resistance range and up to 16 bit resolution. With its built-in protection and versatility, it can be used in precision circuitry design and robotics applications. The device is also useful in accurate medical equipment and motor control applications. By adjusting the external logic signal, the resistance of the device can be precisely regulated.

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