MCP4231T-104E/ML

Memory Type:	Volatile
Base Part Number:	MCP4231
Supplier Device Package:	16-QFN-EP (4x4)
Package / Case:	16-VQFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	75
Temperature Coefficient (Typ):	150 ppm/°C
Tolerance:	±20%
Features:	--
Voltage - Supply:	1.8 V ~ 5.5 V
Series:	--
Interface:	SPI
Resistance (Ohms):	100k
Number of Taps:	129
Number of Circuits:	2
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital Potentiometers

Digital potentiometers are devices that are integral components in many different data acquisition applications. They allow the user to adjust the resistance of the circuit, which can be used to control signal levels or to adjust the amount of current flowing through the circuit. The MCP4231T-104E/ML is one of the industry’s most popular digital potentiometers – let’s take a look at some of its application fields and how it works.

Application Fields

The MCP4231T-104E/ML is a great choice for applications in a wide range of industries, including automotive, audio/video, and HVAC. It can be used in a variety of data acquisition tasks, such as controlling signal levels, adjusting current flow, setting various operational modes, and more.The MCP4231T-104E/ML is also well-suited for use in motor controllers. It features a low input leakage current and high ESD protection, which makes it ideal for use in automotive and industrial motor control systems. It can also be used in audio systems to adjust the volume level or to set different sound modes.

Working Principle

The MCP4231T-104E/ML is a programmable, non-volatile digital potentiometer with a wiper position storage capability. The device is powered by a 5 V power supply. It has an I2C-compatible digital interface that allows the user to control the resistance of the device without the need for a potentiometer knob.The resistance of the device is determined by the setting of the wiper position. This is done by sending a specific binary code to the chip via the I2C bus. The device will then adjust the wiper position accordingly and store the setting in its internal non-volatile memory.The device also features a non-volatile wiper lockout mode, which prevents accidental manipulation or tampering of the device. It also has a power-on reset feature, which ensures that the device is reset to a safe configuration on power up.

Conclusion

The MCP4231T-104E/ML is a great choice for a wide range of data acquisition applications. It has a low input leakage current, high ESD protection, and a non-volatile wiper lockout mode – all of which make it ideal for motor controllers and audio systems. Its I2C-compatible digital interface allows users to adjust the resistance of the device without the need for a potentiometer knob.

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