ISL22424TFR16Z-TK

Memory Type:	Non-Volatile
Base Part Number:	ISL22424
Supplier Device Package:	16-QFN (4x4)
Package / Case:	16-TQFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	70
Temperature Coefficient (Typ):	±45 ppm/°C
Tolerance:	±20%
Features:	--
Voltage - Supply:	±2.25 V ~ 5.5 V
Series:	XDCP™
Interface:	SPI
Resistance (Ohms):	100k
Number of Taps:	256
Number of Circuits:	2
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

ISL22424TFR16Z-TK is a high-performance, low noise digital potentiometer that is used for data acquisition applications. It is an integrated circuit (IC) that consists of a resistive element, an input stage and an output stage. The resistive element can be used to adjust the signal path gain or the output voltage. The input stage consists of two pins, one for input voltage (Vin) and one for output voltage (Vout). The output stage is used to control the signal path gain or to select the output voltage.

Application Field

ISL22424TFR16Z-TK is used for data acquisition applications, such as measuring the position of a user-defined potentiometer, monitoring the output of a transducer, and testing a system for signal path gain. It is also suitable for controlling the output of a system, such as controlling the fan speed, adjusting the voltage of the power supply, and adjusting the gain for a sound system.The IC is also suitable for use in telecommunications and automotive applications. In telecommunications, it can be used for controlling the signal levels of analog components, such as transmitters and receivers, as well as for setting specific points on a distributed antenna system\'s signal transmission line. In automotive applications, ISL22424TFR16Z-TK can be used for adjusting parameters such as fuel injection or timing, while controlling the signal path gain or output voltage.

Working Principle

ISL22424TFR16Z-TK works on a simple principle. It features a resistive element formed by the combination of two “taps”. When the taps are connected together, they provide a low impedance connection, allowing current to pass from one terminal to another. By varying the terminal connections, the resistive element can be changed and the amount of current that passes through can be controlled. The IC also contains an input stage, which consists of a comparator, an operational amplifier and a voltage reference. The comparator is used to compare the input voltage (Vin) and the output voltage (Vout). If the two voltages are equal, the output is 0. Otherwise, the output is either positive or negative. The operational amplifier amplifies the output of the comparator, while the voltage reference sets the voltage level of the output. By connecting a resistive element to the two taps, the output voltage can be adjusted according to the input voltage. The amount of current passing through will depend on the resistor value and the input voltage, and this can be used to adjust the signal path gain or the output voltage.

Conclusion

ISL22424TFR16Z-TK is a high-performance, low noise digital potentiometer that is used for data acquisition applications. It can be used for controlling the output of a system, measuring the position of a reading device, and monitoring the output of a transducer. It features an input stage and a resistive element, and uses a simple principle to adjust the signal path gain or the output voltage.

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