AD5247BKSZ50-RL7

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):	50k
Number of Taps:	128
Number of Circuits:	1
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Data acquisition is the process of measuring, collecting and recording physical data from the environment. Digital potentiometers are an important type of data acquisition components. The AD5247BKSZ50-RL7 is a high precision digital potentiometer that helps users quickly and precisely perform direct measurement of analog signals. This article will provide an overview of the AD5247BKSZ50-RL7’s application field and its working principle.

Application Field

AD5247BKSZ50-RL7 is a chip-type digital potentiometer, which can complete the tracking process from 0 to full scale and return to zero in a very short time. It has low power consumption, high precision and low offset voltage. It is mainly used in multiplyxers, demultiplexers and level shifters as well as image sensing, microphone pre-amplification, power supply and other areas.

Working Principle & Features

The AD5247BKSZ50-RL7 is a digitally controlled potentiometer. It uses digital code to select specific values of resistance in a range of 0 to 10KΩ. It has 16 achievable tap settings with a resolution of 0.05% percent and a very low operating current of 0.15mA. It has adjustable wiper current from 0 to 10mA and has on-chip memory of the last selected wiper position.When the signal of digital control word is applied, the IC changes the impedance between the wiper and terminal B for different tap settings. And the output current of the circuit can be controlled by the signal itself to achieve the resistance setting of the potentiometer. The AD5247BKSZ50-RL7 has a self-calibration function, which can reduce the trimming temperature drift, improve the long-term stability and reduce the resistance error.In addition, the AD5247BKSZ50-RL7 has two user-selectable reference buffers, which can be used to select the reference voltage of 2.5V or Vbias. The solid-state potentiometer IC has strong anti-interference ability and over-voltage protection capability. It also has an ultra-low offset voltage of 1μV and a low offset voltage drift of 0.5μV/°C.

Conclusion

The AD5247BKSZ50-RL7 digital potentiometer is an important type of data acquisition component. It has low power consumption, high precision, low offset voltage and adjustable current, thus making it suitable for use in many applications. This article has discussed the application and working principle of the AD5247BKSZ50-RL7 digital potentiometer. It should be noted that it has a self-calibration function, strong anti-interference and over-voltage protection ability and low offset voltage drift.

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