AD5247BKSZ100-2RL7

Memory Type:	Volatile
Base Part Number:	AD5247
Supplier Device Package:	SC-70-6
Package / Case:	6-TSSOP, SC-88, SOT-363
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	75
Temperature Coefficient (Typ):	45 ppm/°C
Tolerance:	±20%
Features:	--
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	I²C
Resistance (Ohms):	100k
Number of Taps:	128
Number of Circuits:	1
Configuration:	Rheostat
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital Potentiometers

Digital Potentiometers (DPOTS) are one of the most important component of data acquisition technology. They are used to measure and control the resistance in the circuits by adjusting a wiper. DPOTS are important in a wide range of applications, such as motor control, audio system, and sensor networks. The AD5247BKSZ100-2RL7 is one of the DPOTS available in the industry. This article will discuss the application field, working principle, and features of this component.

Application Field of AD5247BKSZ100-2RL7

The AD5247BKSZ100-2RL7 digital potentiometer is mainly used for applications such as motor control, audio system, digital signal processing, and sensor networks. The component has I2C compatibility and features an adjustable resolution of 7-bit. Hence, it is ideal for detecting the small changes in analog signals and sending the control signals. The component is suitable for low-voltage application due to its maximum supply voltage of VDD = 2.7 V and its low quiescent current ensures high efficiency of the circuit. Likewise, the AD5247BKSZ100-2RL7 is easy to use and measuring the resistance is fast and accurate.

Working Principle of AD5247BKSZ100-2RL7

The working principle of the AD5247BKSZ100-2RL7 is quite simple. The component consists of two resistors, R1 and R2 (R1 > R2), connected in a Wheatstone bridge configuration. The digital potentiometer works as a variable resistor and its resistance is controlled by the wiper. The wiper is connected in the center of the bridge. The output voltage of the bridge is determined by the ratio of the resistance connected in each arm of the bridge. Consequently, when the wiper is moved to one end or the other of the bridge, the output voltage can be regulated according to the ratio of the resistance connected in each arm.

Features of AD5247BKSZ100-2RL7

The AD5247BKSZ100-2RL7 has several features that make it an ideal choice for data acquisition applications. These features include: • Low quiescent current (Idb) of 1 μA• Maximum supply voltage of Vdd = 2.7 V• I2C compatibility• High-density TSSOP package• Adjustable 7-bit resolution• Fast and accurate resistance measurement• Small size, which allows for mounting in tight spaces

Conclusion

The AD5247BKSZ100-2RL7 is an ideal for application such as motor control, audio system, digital signal processing, and sensor networks. The component is easy to use and features an adjustable resolution of 7-bit, which allows it to detect small changes in analog signals. The component also has a low quiescent current, a maximum supply voltage of VDD = 2.7 V, and a high-density TSSOP package, making it easy to mount in tight spaces. This digital potentiometer works based on the wheatstone bridge principle and its output voltage can be regulated by adjusting the wiper, allowing it to measure the resistance quickly and accurately.

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