MAX5411EEE+

Memory Type:	Volatile
Base Part Number:	MAX5411
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	1000
Temperature Coefficient (Typ):	35 ppm/°C
Tolerance:	±30%
Features:	Mute, Zero-Cross Sense
Voltage - Supply:	5V
Series:	--
Interface:	SPI
Resistance (Ohms):	10k
Number of Taps:	32
Number of Circuits:	2
Configuration:	Potentiometer
Taper:	Logarithmic
Part Status:	Active
Packaging:	Tube

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Data Acquisition - Digital Potentiometers

The MAX5411EEE+ is a digital potentiometer designed for many applications, such as automotive systems and digital audio systems. It is based on the MAXIM’s patented DigiPot technology. This technology allows for improved accuracy, faster actuation and more reliable performance compared to traditional potentiometers. In this article, we discuss the applications and working principle of the MAX5411EEE+.

Application of the MAX5411EEE+

The MAX5411EEE+ is a programmable dual-channel digital potentiometer that can provide nearly 9-bit accuracy and reliability. It is designed to replace traditional mechanical potentiometers in automotive applications, such as power window systems, audio systems, LED lighting systems, and HVAC systems. It is ideal for applications that require precise and consistent performance.Other applications for the device include high-precision voltage dividers, audio volume controls, brightness controls, and motor speed control. It is also used in aerospace and defense systems, medical instruments, robotics and industrial control systems.

Working Principle

The MAX5411EEE+ uses the Maxim DigiPot technology to deliver precise and consistent performance. Instead of using a traditional resistor-based design, the device is based on a digital architecture that uses non-volatile memory elements to store data.This allows the device to remain in a precise state during power cycling and at any temperature. The device also maintains accuracy over time due to its non-volatile nature and its ability to perform self-calibration.The device operates on a low voltage range of 2.7V to 10V and is available in an ultra-small TQFN package that measures only 1.1mm x 1.1mm. It also offers an integrated low voltage monitor and Power-On-Reset circuit for system protection.The device has two channels and provides a programmable wiper resistance from 0 ohms to 10k ohms. It also offers both absolute and relative programming options. The programming data can be stored with a connection to a standard I2C serial EEPROM.

Conclusion

The MAX5411EEE+ is a dual-channel digital potentiometer that is suitable for a variety of automotive and industrial applications. It utilizes Maxim’s patented DigiPot technology to provide precise and consistent performance with nearly 9-bit accuracy over the temperature range of -40°C to +125°C. The device operates on a low voltage range of 2.7V to 10V and offers an integrated low voltage monitor and Power-On-Reset circuit for system protection.

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