Manufacturer Part Number
MCP4542T-502E/MF
Manufacturer
Microchip Technology
Introduction
Digital potentiometer designed for data acquisition and control applications
Product Features and Performance
Linear taper for precise adjustments
Rheostat configuration enables variable resistance tuning
Single circuit with 129 taps offers fine resolution
5k Ohm resistance value for broad application use
I2C interface for easy integration with microcontrollers
Non-Volatile memory retains settings without power
Selectable address feature allows multiple devices on the same bus
Operates within wide supply voltage range from 1.8V to 5.5V
Capable of operating over wide temperatures from -40°C to 125°C
Product Advantages
Maintains setting even after power loss due to Non-Volatile memory
Compact 8-DFN package for space-constrained applications
Supports high-temperature operations for rugged environments
Tolerance of ±20% suitable for many applications
Simple electronic adjustment reduces mechanical component wear
Key Technical Parameters
Number of Circuits: 1
Number of Taps: 129
Resistance (Ohms): 5k
Interface: I2C
Voltage - Supply: 1.8V ~ 5.5V
Temperature Coefficient (Typ): 150ppm/°C
Operating Temperature: -40°C to 125°C
Resistance - Wiper (Ohms) (Typ): 75
Quality and Safety Features
Built to meet industry standards for electronic components
Automotive grade reliability and performance
Robust construction suitable for industrial applications
Compatibility
Compatible with any I2C capable microcontroller or processor
Application Areas
Consumer electronics, automotive industry, industrial control systems, communication equipment
Product Lifecycle
Status: Active
Not indicated as nearing discontinuation
Replacements or upgrades can typically be found within Microchip Technology's portfolio
Reasons to Choose This Product
Fine resolution control with 129 taps for precise settings
Wide operating voltage and temperature range for diverse applications
Non-Volatile memory prevents loss of settings
Selectable I2C address allows for use of multiple devices
Reduced mechanical failure rates due to solid-state design
Space-efficient package suitable for compact PCB layouts
Contributes to simplified design and reduced manufacturing costs