MCP4542T-503E/MF

Memory Type:	Non-Volatile
Base Part Number:	MCP4542
Supplier Device Package:	8-DFN-EP (3x3)
Package / Case:	8-VDFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	75
Temperature Coefficient (Typ):	150 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	1.8 V ~ 5.5 V
Series:	--
Interface:	I²C
Resistance (Ohms):	50k
Number of Taps:	129
Number of Circuits:	1
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital Potentiometers

Digital potentiometers are integrated circuits that provide a way to precisely adjust the resistance of a circuit. They are particularly useful in any application which requires the adjustment of a voltage or current source, such as in audio amplifiers, voltage regulators, and motor controllers. The MCP4542T-503E/MF is a digital potentiometer that includes two microcontrollers. Each controller contains two non-volatile digital potentiometer registers, in addition to a wiper register for monitoring and controlling resistance settings.The MCP4542T-503E/MF is designed for use in applications requiring precise, low-power, low-voltage, adjustable resistance. It has an adjustable step size of 0.5, 1, or 2 ohms, depending on the voltage used. It also has a power-on default resistance setting that is programmable to up to 1023 steps. The maximum wiper resistance (Rwip) for the MCP4542T-503E/MF is 10 kOhms.The MCP4542T-503E/MF includes two Microcontroller Interface Logic (MIL) control lines, which allow it to be connected to two microcontrollers. Each controller can control up to four separate pot channels. The MIL control lines are also used to monitor the wiper registers (Rwip) in order to ensure that the potentiometers remain in their programmed positions.The MCP4542T-503E/MF is particularly convenient for applications requiring multiple potentiometers in the same circuit, as they can all be operated from a single controller. In addition, the chip also contains a power-on default feature, allowing users to pre-program certain settings for the digital potentiometers and easily switch between them as necessary.Digital potentiometers are a key component for many applications such as audio amplification, voltage regulators, DC motor controllers, and digital audio processing. The MCP4542T-503E/MF is an ideal choice for use in such settings due to its low-voltage, low-power, precise resistance control, and power-on default settings. Overall, this digital potentiometer is a great option for almost any application requiring adjustable resistance settings.

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