AD5280BRUZ20-REEL7

Memory Type:	Volatile
Base Part Number:	AD5280
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	60
Temperature Coefficient (Typ):	30 ppm/°C
Tolerance:	±30%
Features:	Selectable Address
Voltage - Supply:	4.5 V ~ 16.5 V, ±5V
Series:	--
Interface:	I²C
Resistance (Ohms):	20k
Number of Taps:	256
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

AD5280BRUZ20-REEL7 is a digital potentiometer (DPOT) chip, which is widely used in data acquisition applications. It is an indispensable component in data acquisition systems. It is capable of controlling the voltage and resistance both in input and output circuits reliably with excellent accuracy. This chip is engineered to be a passive component with low power consumption, helping to simplify the design of data acquisition systems.

Applications

AD5280BRUZ20-REEL7 is used as a digital potentiometer for controlling the voltage or resistance in input or output circuits in data acquisition systems. It has excellent accuracy, allowing for precise control over the circuits. It is also suitable for controlling integrated circuits such as audio amplifiers, servo loops, PID loops, and many other analog circuits. It can also be used in automated test systems to test electronic components.

Working Principle

The AD5280BRUZ20-REEL7 uses an 8-bit digital logic circuit (DLC) to control its operation. The DLC consists of eight discrete voltage levels, which are sent to the chip. The chip then translates these signals into a series of control signals that can be used to control the voltage or resistance of the circuit. The control signals can be used to set the range of the voltage or resistance, the resolution, and the levels of the various voltages or resistances. The digital logic circuit operates in two modes: resistive mode and current mode. In resistive mode, the DLC regulates the voltage across the resistive element, and in current mode, the DLC regulates the current passed through the resistive element. The resistive element is then used to control the resistance in the circuit.The DLC uses analog-to-digital converters (ADC) to convert the analog signal from the resistive element into a digital signal. This digital signal is used to adjust the levels of the various voltages or resistances in the circuit. The chip also includes two complementary logic circuits, which can be set in order to produce the desired output.

Conclusion

AD5280BRUZ20-REEL7 is a powerful and reliable digital potentiometer chip that is suitable for many types of data acquisition systems. It offers excellent accuracy, power efficiency, and resistance control. It is an excellent choice for applications such as audio amplifiers, servo loops, PID loops, and many other analog data acquisition systems.

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