MAX5429ETA+T

Memory Type:	Non-Volatile
Base Part Number:	MAX5429
Supplier Device Package:	8-TDFN-EP (3x3)
Package / Case:	8-WDFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	100
Temperature Coefficient (Typ):	35 ppm/°C
Tolerance:	±25%
Features:	--
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	Up/Down (U/D, CS)
Resistance (Ohms):	10k
Number of Taps:	32
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital PotentiometersDigital potentiometers provide a convenient way to control and manage electrical signals, making them popular in a wide range of applications. One such device is the MAX5429ETA+T, manufactured by Maxim Integrated. This document provides insight into the application field and working principle of this potentiometer.The MAX5429ETA+T is a precision, low-power, wiper deterministic, digital potentiometers. It uses a 3-wire digital Interface for setting the wiper value, which can be changed with an internal register by altering the voltage between the two ends of the chip. This chip is available in a 10-turn or single-turn package with a variety of resistance values. Additionally, the MAX5429ETA+T offers an integrated low-pass filter, which helps reduce noise from undesired electrical signals.In terms of its application field, this digital potentiometer has a wide range of uses. For instance, it can be used in controlling audio and video signals, in voltage regulation, and in controlling analog signals. The MAX5429ETA+T can also be used in communication equipment as well as industrial process controls. Additionally, it can be used in medical instruments, consumer electronics, and automotive systems.The working principle of the MAX5429ETA+T is straightforward. The chip utilizes an internal register to set the voltage between its two ends. This voltage is then adjusted by changing the binary value in the internal register. This change in the binary value is carried out by the 3-wire digital Interface. The open-collector logic protocol controls the wiper value on the chip, which adjusts the resistance between the two terminals. The integrated low-pass filter on the MAX5429ETA+T helps reduce noise on digital signals. This filter is actually a combination of a Chebyshev low-pass filter and a porosity-based resistor network. The Chebyshev low-pass filter is used to reduce noise frequencies that are higher than the desired frequency. The porosity-based resistor network, on the other hand, helps reduce noise frequencies that are smaller than the desired frequency. In addition to its noise-reduction capabilities, the MAX5429ETA+T also offers increased accuracy when compared to linear potentiometers. Its wiper position displays an increased accuracy of better than 0.05%, when compared to the linear potentiometers which offer accuracy of just 0.5 %. Overall, the MAX5429ETA+T is a precision, low-power, wiper deterministic, digital potentiometer. Its 3-wire digital Interface enables efficient wiper setting that can be changed with an internal register. Its application field is vast, and it can be used in a variety of communication equipment, industrial process control, medical instruments, consumer electronics, and automotive systems. Its integrated low-pass filter helps reduce noise from undesired electrical signals, while its increased accuracy offers an accurate control of electrical signals.

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