Memory Type:	Non-Volatile
Base Part Number:	X9420
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Operating Temperature:	0°C ~ 70°C
Resistance - Wiper (Ohms) (Typ):	150
Temperature Coefficient (Typ):	±300 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	±2.7 V ~ 5.5 V
Series:	XDCP™
Interface:	SPI
Resistance (Ohms):	10k
Number of Taps:	64
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tube

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Data Acquisition - Digital Potentiometers

Digital potentiometers are one of the most important forms of data acquisition technology. The X9420WS16Z-2.7 is a digital potentiometer that is widely used in various industrial and research applications. This article will provide an overview of the application fields and working principles of this device.The X9420WS16Z-2.7 is a digitally controlled potentiometer that is designed for a wide range of applications, from consumer electronics to industrial process control. This device is widely used in industrial applications such as temperature, pressure, strain and flow control due to its ability to provide precise measurement of analog signals with minimal drift over time. It is also used in consumer electronics such as headphones, speakers, and other audio equipment.The X9420WS16Z-2.7 is an 8-pole, 10kOhm device consisting of a resistor array, digital switch, and control logic all integrated into a single package. It uses an A, B, and W pin configuration, with the W pin being used to control the tap-point selection. The tap point value is determined by the state of the A and B pins, which are independently controlled by digital logic.When the X9420WS16Z-2.7 is used in an industrial application, the device is typically connected to a proces control device, such as a microcontroller, programmable logic controller (PLC), or a serial port. This connection allows the microcontroller to access the data values of the potentiometer and to adjust the tap-point selection as needed. This allows for precise control over the analog signals and precise data acquisition.The working principle of the X9420WS16Z-2.7 is relatively straightforward. When the control logic receives a signal from the wired device, it updates the register values and selects the appropriate tap-point. This updates the resistive divider value of the potentiometer, which in turn changes the output voltage of the device. This provides precise control over the analog signals, allowing for accurate and repeatable measurements.To sum up, the X9420WS16Z-2.7 digital potentiometer is a highly versatile and reliable device that can be used for various industrial and consumer applications. It has a wide range of application fields, from process control to consumer electronics, and its working principle is quite simple and easy to understand. With its reliable performance and relatively low cost, the X9420WS16Z-2.7 is an excellent choice for any data acquisition project.

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