AD5144BRUZ10-RL7

Memory Type:	Non-Volatile
Base Part Number:	AD5144
Supplier Device Package:	20-TSSOP
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	55
Temperature Coefficient (Typ):	35 ppm/°C
Tolerance:	±8%
Features:	Cascade Pin
Voltage - Supply:	2.3 V ~ 5.5 V, ±2.25 V ~ 2.75 V
Series:	--
Interface:	SPI
Resistance (Ohms):	10k
Number of Taps:	256
Number of Circuits:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AD5144BRUZ10-RL7 are Digital Potentiometers, data acquisition components which are electronic, variable resistors. They are used to control the current, voltage, and resistance in a variety of electronic circuits. Digital potentiometers are often used in applications where adjustable analog resistance is needed but an analog potentiometer is not available or impractical.

Applications

AD5144BRUZ10-RL7 have many applications, including a wide variety of industrial, automotive, and audio / video equipment. In many of these applications, the digital potentiometer may be used to provide adjustable voltage or current levels, or to adjust resistance or volume levels.Industrial applications include: •Tank level monitoring•Flow control•Pressure regulation•Lighting control•HVAC systems•Power supply regulationIn terms of automotive applications, digital potentiometers may be used to adjust transmission control, speed control, fuel injection, engine performance, ABS systems, and for monitoring sensors.AD5144BRUZ10-RL7 may also be used in audio or video equipment to adjust volume levels, equalization, speaker balance and crossover frequencies.

Working Principle

Digital potentiometers are electronic components which, like traditional potentiometers, are adjustable resistors. However, they differ from traditional potentiometers in that they rely on digital logic to vary the resistance. The resistance of the digital potentiometer is determined by a digital code stored in its memory.The digital logic of the potentiometer is controlled by a control terminal and a programming (or control) bus, which are used to transmit commands and data to the device. The control bus is responsible for the actual adjustment of the resistance, which is often done by changing the balance between two or more resistors within the device.The resistance of a digital potentiometer can vary from a few ohms to tens of Megaohms depending on the number of resistors within the device. Some digital potentiometers are also capable of providing a non-linear resistance which is useful for certain applications.

Conclusion

AD5144BRUZ10-RL7 are digital potentiometers, data acquisition components which are electronic, variable resistors. They are often used in applications where adjustable analog resistance is needed but an analog potentiometer is not available or impractical. Applications include a wide variety of industrial, automotive, and audio / video equipment. The working principle of the AD5144BRUZ10-RL7 relies on digital logic controlled by a control terminal and programming bus to adjust the resistance, which can vary from a few ohms to tens of Megaohms depending on the number of resistors within the device.

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