ISL22346WFV20Z

Memory Type:	Non-Volatile
Base Part Number:	ISL22346
Supplier Device Package:	20-TSSOP
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	70
Temperature Coefficient (Typ):	±50 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	XDCP™
Interface:	I²C
Resistance (Ohms):	10k
Number of Taps:	128
Number of Circuits:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tube

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Introduction

ISL22346WFV20Z is a precision digital potentiometer that is part of a data acquisition system. It is designed to precisely control and measure the resistance of a circuit element over a wide range of temperatures and environmental conditions. It is the ideal tool for both circuit design engineers and product development teams to quickly and effectively evaluate their designs.

Application Field

ISL22346WFV20Z is a versatile digital potentiometer that can be used in applications such as industrial, military, and medical equipment. It is well-suited for tasks where precise adjustments are required, such as in motor control, frequency control, and position sensing. Other common applications for the ISL22346WFV20Z include the control of audio levels, resistance network adjustments, temperature sensors, and various voltage dividers.

Working Principle

The ISL22346WFV20Z includes two separate wiper terminals in addition to a low-impedance ground reference. The two wiper terminals are connected to the resistance element of the device, with one terminal being connected to the end of the resistance element and the other being connected to the wiper. The effective resistance value of the device can be adjusted by varying the voltage across the two wiper terminals, which sets the resistance between the two points.The ISL22346WFV20Z is based on an advanced current-sense technique. This technique reduces the power consumption of the device, while also providing an accurate resistance measurement over a wide temperature range. This technique also allows for fast transient response of the device, which makes it well-suited for high-speed applications. The ISL22346WFV20Z requires a minimum voltage of 2.3V, but can operate up to 6.2V, allowing it to be used in a variety of applications.

Package Options

The ISL22346WFV20Z is available in surface mount, through-hole and DIP packages, allowing for easy integration into a variety of designs. The through-hole and DIP packages include a package integrated resistive element. This ensures that the device will meet all specified resistance requirements without any additional design considerations.

Performance Characteristics

The ISL22346WFV20Z provides excellent accuracy over its entire operating temperature range. It also has a wide resistance range, making it suitable for a variety of applications. The maximum resolution of the device is 256 levels, which allows for precise control of the device. It also has a low-jitter digital output, which allows for low-level signals to be accurately measured.The device also has excellent power efficiency, with a typical power dissipation of 1 mW. This means that the device does not consume much power, which leaves more for other components in the system. It also has a low maximum temperature coefficient, allowing the device to maintain its accuracy even in changing environmental conditions.

Conclusion

The ISL22346WFV20Z is a precise and versatile digital potentiometer that is suitable for a wide range of data acquisition systems. It is available in multiple package options and provides excellent accuracy, power efficiency, and temperature stability. It also has a wide resistance range and a maximum resolution of 256 levels. These features make it ideal for both circuit design engineers and product development teams.

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