AD5263BRUZ20

Memory Type:	Volatile
Base Part Number:	AD5263
Supplier Device Package:	24-TSSOP
Package / Case:	24-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	60
Temperature Coefficient (Typ):	30 ppm/°C
Tolerance:	±30%
Features:	Cascade Pin, Selectable Address
Voltage - Supply:	4.5 V ~ 16.5 V, ±4.5 V ~ 7.5 V
Series:	--
Interface:	I²C, SPI
Resistance (Ohms):	20k
Number of Taps:	256
Number of Circuits:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tube

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Introduction

AD5263BRUZ20 is a data acquisition digital potentiometer device in the Analog Devices family of data acquisition products. It is a non-volatile, digitally controlled, 0.25W potentiometer suitable for use in temperature measurement, control and voltage compensation. The AD5263BRUZ20 provides high reliability and accuracy for a wide range of applications in industrial, automotive and communications systems.

Application Field

AD5263BRUZ20 is intended for use in data acquisition systems for voltage compensation, temperature measurement, electronic control, and current sensing. The digitally controlled, 0.25W potentiometer can be used as a precision resistor in applications requiring high accuracy and temperature stability. This device can be used to adjust the current in a motor control system or to adjust the gain in an amplifier. It can also be used to control the output impedance of a power supply and optimize the sensitivity of a sensor. The AD5263BRUZ20 is also useful for reducing the output voltage ripple of DC-to-DC converters.AD5263BRUZ20 can also be used in automotive applications as a throttle position sensor and steering wheel position sensor. In communications systems, the 0.25W potentiometer can be used to adjust the gain of a transceiver or the threshold of a thermal sensor.

Working Principle

The AD5263BRUZ20 is a non-volatile, digitally controlled resistor that provides a stable, accurate resistance value across a wide temperature range. The 0.25W potentiometer can be operated from an external voltage supply ranging from 2.97V to 5.50V. Its 2-wire serial interface is used to control the potentiometer\'s resistance and to read back its current resistance value. The AD5263BRUZ20 also features an integrated EEPROM which is used to store the potentiometer’s setting when power is removed. This eliminates the need for resetting the potentiometer after a power interruption. Additionally, this device includes a programmable resistor latch which can be used to prevent accidental changes to the resistance setting.The AD5263BRUZ20 has an output range of 32Ω to 400 kΩ and offers a high resolution of 0.0025%. This makes it ideal for high accuracy applications such as temperature measurement, voltage compensation and current sensing.

Conclusion

The AD5263BRUZ20 is a data acquisition digital potentiometer device that is suitable for use in a variety of applications ranging from temperature measurement and control to voltage compensation and current sensing. This non-volatile, digitally controlled resistor provides a stable, accurate resistance value across a wide temperature range with a resolution of 0.0025% and an output range of 32Ω to 400 kΩ. Additionally, this device includes an integrated EEPROM and a programmable resistor latch which provide increased reliability and accuracy.

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