AD5274BCPZ-20-RL7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Taper:	Linear
Configuration:	Rheostat
Number of Circuits:	1
Number of Taps:	256
Resistance (Ohms):	20k
Interface:	I²C
Memory Type:	Non-Volatile
Voltage - Supply:	2.7 V ~ 5.5 V, ±2.5 V ~ 2.75 V
Features:	Selectable Address
Tolerance:	±1%
Temperature Coefficient (Typ):	5 ppm/°C
Resistance - Wiper (Ohms) (Typ):	35
Operating Temperature:	-40°C ~ 125°C
Package / Case:	10-WFDFN Exposed Pad, CSP
Supplier Device Package:	10-LFCSP-WD (3x3)
Base Part Number:	AD5274

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Introduction

The AD5274BCPZ-20-RL7 is a Digital Potentiometer designed and manufactured by Analog Devices. This monolithic CMOS device is intended for a wide range of applications, such as variable impedance matching, gain setting, variable impedance and variable frequency/timing control in electronic and optical communications systems, digital video or audio systems, and data acquisition for benchmarking, calibration and testing.

Application Field

The AD5274BCPZ-20-RL7 is a single digital potentiometer that operates from a single 2.5-5.5V power supply. This device contains an integrated 2KΩ resistor with a 20-position wiper. This device was architected for digital control applications of either DC or AC signals in a wide variety of electronic and communication systems.The AD5274BCPZ-20-RL7 is designed for an ultra-small design, as its footprint is only 1.2mm and 0.6mm thick. This makes it an ideal choice for mobile and wireless device applications and other space-constrained applications.

Working Principle

The working principle of the AD5274BCPZ-20-RL7 is simple. This device contains a resistor array where the wiper can move to one of 20 distinct positions, thus providing a variable resistance. By controlling the position of the wiper, the resistance value can be adjusted ranging from all the way to zero ohms or up to the integrated 2KΩ resistor value.The AD5274BCPZ-20-RL7 can be digitally programmed with a few simple instructions delivered to the device through its on-board Serial Interface. This device supports the I²C and SMBus protocols, allowing for easy communication with other digital control devices.The device also has an on-board voltage output for monitoring the current resistance value. This voltage output is maximized at the higher wiper positions and is decreased as the wiper goes to the lower positions.

Conclusion

The AD5274BCPZ-20-RL7 is an ultra-small digital potentiometer designed and manufactured by Analog Devices. This device is ideal for a wide range of applications, such as variable impedance matching, gain setting, variable impedance, and variable frequency/timing control in electronic and optical communications systems, digital video or audio systems, and data acquisition for benchmarking, calibration and testing.This device features a resistor array where the wiper can move to one of 20 distinct positions and can be programmed through its on-board Serial Interface. It also has an on-board voltage output for monitoring the current resistance value.

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